Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726

Part no. A1648702726

Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726

£51.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626

Part no. A2048704626

Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401

Part no. A9065454401

Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012

Part no. A0009821012

Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045420818

Part no. A2045420818

Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045420818

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A2709060026

Part no. A2709060026

Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A2709060026

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Battery Fuse Box Mercedes W204 Control Unit Module SAM A2075400340

Part no. rhd-A2075400340

Battery Fuse Box Mercedes W204 Control Unit Module SAM A2075400340

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402

Part no. A1669004402

Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049004106

Part no. A2049004106

Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049004106

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 W212 W246 Telematics Communication Control Unit Module A2059007123

Part no. A2059007123

Mercedes W176 W212 W246 Telematics Communication Control Unit Module A2059007123

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303

Part no. A1569005303

Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W221 Fuse Box Front SAM Module Relay Control Unit A2215402862

Part no. A2215402862

Mercedes W221 Fuse Box Front SAM Module Relay Control Unit A2215402862

£132.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Impact Crash Sensor Door Left Right A2128205026

Part no. A2128205026

Mercedes W212 Impact Crash Sensor Door Left Right A2128205026

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Light Sensor Sunlight Sensor Front A2518206510

Part no. A2518206510

Mercedes W212 Light Sensor Sunlight Sensor Front A2518206510

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012

Part no. A2469000012

Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012

£66.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327

Part no. A2129005327

Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327

£237.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W245 Head Unit CD Player Radio Stereo Audio Player A1698700689

Part no. A1698700689-1

Mercedes W169 W245 Head Unit CD Player Radio Stereo Audio Player A1698700689

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585

Part no. A1648205585

Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003

Part no. A9065450003-2

Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542

Part no. A9064460542

Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Battery Bracket Mercedes Sprinter W906 W910 Mount Trim Holder A9065410400

Part no. A9065410400

Battery Bracket Mercedes Sprinter W906 W910 Mount Trim Holder A9065410400

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Door Module Rear Left N/S Control Unit Module A2048702426

Part no. A2048702426

Mercedes W204 Door Module Rear Left N/S Control Unit Module A2048702426

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 Air Module Belts System Control Unit ECU Bosch A1179009200

Part no. A1179009200

Mercedes W176 Air Module Belts System Control Unit ECU Bosch A1179009200

£61.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes A B W169 W245 Front Left N/S Suspension Control Track Arm A1693300907

Part no. A1693300907-1

Mercedes A B W169 W245 Front Left N/S Suspension Control Track Arm A1693300907

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000

Part no. A1769051000

Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000

£61.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Battery Cable Mercedes W204 W207 Negative Lead Terminal Harness A0009050354

Part no. rhd-A0009050354

Battery Cable Mercedes W204 W207 Negative Lead Terminal Harness A0009050354

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601

Part no. A1729017601

Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601

£32.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601

Part no. A2045458601

Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601

£94.95

Free delivery - Wed, Jan 14

If paid before 14:00

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Mercedes A-Class W169 Battery Lead Wire Cable Negative A0009050054

Part no. A0009050054

Mercedes A-Class W169 Battery Lead Wire Cable Negative A0009050054

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601

Part no. A6519000601

Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601

£104.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 W212 W221 Power Distributor Box Conectors Socket A0045468040

Part no. a0045468040

Mercedes W204 W212 W221 Power Distributor Box Conectors Socket A0045468040

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700

Part no. A1669002700

Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104

Part no. A2129007104

Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104

£142.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710

Part no. A2045402710

Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326

Part no. A1718204326

Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326

£161.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103

Part no. A2129004407

Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103

£51.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032

Part no. A1715450032

Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675

Part no. A1698202675-1

Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382

Part no. A2125400382

Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100

Part no. A2609060100

Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410

Part no. A2049009410

Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410

£51.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1775404007

Part no. A1775404007

Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1775404007

£56.95

Free delivery - Tue, Jan 13

If paid before 14:00

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YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218

Part no. A0045429218

YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707

Part no. A2479002707

Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes SLK R171 Fuse Box Cover Trim Panel Lid Housing A1715400182

Part no. rhd-A1715400182

Mercedes SLK R171 Fuse Box Cover Trim Panel Lid Housing A1715400182

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901

Part no. A1715450901

Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901

£313.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W205 W213 Fuel Pump Module Control Unit ECU A0009003310

Part no. A0009003310

Mercedes W205 W213 Fuel Pump Module Control Unit ECU A0009003310

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic

Part no. A0014460340-1

Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic

£123.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 W246 Control Unit  Body Control Module ECU A2469009413

Part no. A2469009413-1

Mercedes W176 W246 Control Unit Body Control Module ECU A2469009413

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619

Part no. A0025422619-3

Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera

Part no. A0009007607

Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Headlight Control Module Mercedes W207 W212 Unit A2129008224

Part no. A2129008224

Headlight Control Module Mercedes W207 W212 Unit A2129008224

£70.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426

Part no. A2048704426

Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300

Part no. A6399003300

Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300

£66.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724

Part no. A2129006724-1

Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724

£113.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Rear SAM Module Fuse Box Control Unit A2049006301

Part no. A2049006301

Mercedes W204 Rear SAM Module Fuse Box Control Unit A2049006301

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Air Module Control Unit SRS Sensor ECU A2048709426

Part no. A2048709426

Mercedes W204 Air Module Control Unit SRS Sensor ECU A2048709426

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W177 Dash Monitor Display Speedo SAT NAV Virtual Cockpit A2479008311

Part no. rhd-A2479008311

Mercedes W177 Dash Monitor Display Speedo SAT NAV Virtual Cockpit A2479008311

£213.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900

Part no. A6429002900

Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900

£113.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203

Part no. A2129004203

Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800

Part no. A1179005800

Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2

Part no. A0009828223-1

Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326

Part no. A1698207326

Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W906 Battery Cable Negative Lead Wiring Harness A9065460121

Part no. A9065460121

Mercedes W906 Battery Cable Negative Lead Wiring Harness A9065460121

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Bluetooth Module Mercedes W176 W213 Control Unit Hands Free A2139008013

Part no. A2139008013

Bluetooth Module Mercedes W176 W213 Control Unit Hands Free A2139008013

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604

Part no. A1779006604

Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz C W204 PDC Parking Sensor Distance Control Module A2045406662

Part no. A2045406662

Mercedes-Benz C W204 PDC Parking Sensor Distance Control Module A2045406662

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204  Door Module Control Unit Module Front Left N/S A2048704326

Part no. A2048704326

Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806

Part no. A9079000806

Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806

£142.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310

Part no. A2118701310

Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519

Part no. A2229009519-1

Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519

£474.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407632

Part no. A2465407632

Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407632

£94.95

Free delivery - Wed, Jan 14

If paid before 14:00

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Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201

Part no. A2049009201

Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600

Part no. A2469066600

Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394402536

Part no. rhd-A6394402536

Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394402536

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz S W221 Front Camera Video Night View Adaptive Highbeam Unit

Part no. A0009057402

Mercedes-Benz S W221 Front Camera Video Night View Adaptive Highbeam Unit

£75.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Windscreen Rain Sensor Temperature Humidity Unit A2048210851

Part no. A2048210851

Mercedes W212 Windscreen Rain Sensor Temperature Humidity Unit A2048210851

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701

Part no. A6519003701

Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Audio Amplifier Mercedes W221 Sound Booster Control Unit Module A2219003402

Part no. A2219003402

Audio Amplifier Mercedes W221 Sound Booster Control Unit Module A2219003402

£284.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W212 E-Class Front Left N/S Control Unit A2129004402

Part no. A2129004402

Door Module Mercedes W212 E-Class Front Left N/S Control Unit A2129004402

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240

Part no. A0055461240

Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A-Class W169 Fuse Electrical Box Relay Control Unit A1695450540

Part no. A1695450540-1

Mercedes-Benz A-Class W169 Fuse Electrical Box Relay Control Unit A1695450540

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219

Part no. A0025421219-1

Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz M S W221 ML W164 Airbag Impact Crash Sensor Door A0038212751

Part no. A0038212751

Mercedes-Benz M S W221 ML W164 Airbag Impact Crash Sensor Door A0038212751

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Vito W447 Air Module Control Unit ECU 4479000900

Part no. A4479000900

Mercedes Vito W447 Air Module Control Unit ECU 4479000900

£56.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W203 Door Control Module Front Left N/S A2038201585

Part no. A2038201585

Mercedes W203 Door Control Module Front Left N/S A2038201585

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W213 PDC Parking Sensor Wiring Loom Cable Rear Bumper A2135406303

Part no. A2135406303

Mercedes W213 PDC Parking Sensor Wiring Loom Cable Rear Bumper A2135406303

£42.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W205 PDC Park Assist Control Module Ecu A2229000905

Part no. A2229000905

Mercedes W205 PDC Park Assist Control Module Ecu A2229000905

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 W207 Control Unit ECU Sensor Module Air SRS Bag A2079011800

Part no. A2079011800

Mercedes W204 W207 Control Unit ECU Sensor Module Air SRS Bag A2079011800

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes V251 Gateway Module Control Unit ECU A1645407901

Part no. A1645407901

Mercedes V251 Gateway Module Control Unit ECU A1645407901

£66.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926

Part no. A0038202926

Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable

Part no. A2465401205

Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715402534

Part no. rhd-A1715402534

Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715402534

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Camera Module Mercedes W213 S213 Parking Rear View Control Unit A2139000414

Part no. A2139000414

Camera Module Mercedes W213 S213 Parking Rear View Control Unit A2139000414

£85.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304

Part no. A9079000304

Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307

Part no. A1775404307

Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307

£94.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419

Part no. A0025421419

Mercedes W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W177 Front Windscreen Windshield Camera Multi Purpose Unit A1779009902

Part no. A1779009902

Mercedes W177 Front Windscreen Windshield Camera Multi Purpose Unit A1779009902

£56.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 Radio Stereo Head Unit Media Player Navigation A2469009312

Part no. A2469009312-1

Mercedes W176 Radio Stereo Head Unit Media Player Navigation A2469009312

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Key components of vehicle electrical systems

Original electrical parts for popular car brands

A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.

How does a car's electrical system work?

A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:

  • Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
  1. Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
  2. Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
  3. Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
  4. Starters – Key components of the starting system that enable the engine to be started.
  5. Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
  6. Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
  7. Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
  8. Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
  9. Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.

Key technical parameters of electrical systems

Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.

Why is it worth taking care of your car's electrical system?

Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:

  • Problems starting the engine.
  • Failure of safety systems such as ABS or airbags.
  • Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.

Symptoms of electrical system disruptions

In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:

SymptomPossible causeItem to check
Difficulty starting the engineWorn out starter or batteryStarter motor, battery
Dimming the lightsInefficient alternatorAlternator, voltage regulator
Electric windows not workingDamaged relays or harnessRelays, wires

How to choose the right parts for your electrical system?

When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:

  • Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
  • Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
  • Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.

Compatibility and fit

The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.

Why choose used electrical parts?

Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?

  • Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
  • Ecology – You support recycling and reduce waste by choosing used car parts .
  • Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.

How to take care of your car's electrical system?

To ensure your electrical system operates reliably for years, it is worth remembering a few rules:

  • Regularly check the battery condition and charge level.
  • Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
  • Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.

Step-by-step control procedures

  1. Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
  2. Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
  3. Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
  4. If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.

FAQ - Frequently asked questions about electrical systems in cars

QuestionAnswer
What is a car electrical system?This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.
What is an alternator for in a car?The alternator generates electrical current when the engine is running and charges the battery.
What is the difference between a starter and an alternator?The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.
How to check if the battery is working?Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.
What are the most common symptoms of car electrical failure?Problems starting the engine, flashing warning lights, power windows not working or dimming lights.
Do electrical parts from one model fit another?Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.
How often should you check your electrical system?It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Summary: Automotive electrical systems at Global Parts Automotive Store

Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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