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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BMW X6 Series E71 Central Woofer Bass Speaker Stereo Subwoofer N/S 9218697

Part no. 9218697

BMW X6 Series E71 Central Woofer Bass Speaker Stereo Subwoofer N/S 9218697

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Lexus LS400 Door Module Control Unit ECU 89741-50150

Part no. 89741-50150

Lexus LS400 Door Module Control Unit ECU 89741-50150

£18.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A3 8P Air Module Control Unit ECU Module 8P0959655P

Part no. 8P0959655P

Audi A3 8P Air Module Control Unit ECU Module 8P0959655P

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual

Part no. 8516739

Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual

£94.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332

Part no. 7843332

Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332

£94.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes H243 EQA Electronic Module Control Unit  A806001075

Part no. A806001075

Mercedes H243 EQA Electronic Module Control Unit A806001075

£47.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W205 Battery Cable Alternator Wiring Harness A2054402336

Part no. rhd-A2054402336

Mercedes W205 Battery Cable Alternator Wiring Harness A2054402336

£18.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

Part no. 6990089

BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU 8582155 Automatic

Part no. 8582155-3

BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU 8582155 Automatic

£56.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi Q7 4M Air Module Control Unit ECU SRS Module Unit 4KE959655H

Part no. 4KE959655H

Audi Q7 4M Air Module Control Unit ECU SRS Module Unit 4KE959655H

£132.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW X3 G01 Rear Right O/S Door Wiring 8793253

Part no. 8793253

BMW X3 G01 Rear Right O/S Door Wiring 8793253

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W166 Head Roof Curtain Right O/S Side Air Module A1668600602

Part no. A1668600602

Mercedes W166 Head Roof Curtain Right O/S Side Air Module A1668600602

£66.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mini Cooper R52 Cabrio Loudspeaker Seal Right O/S 6943078

Part no. 6943078

Mini Cooper R52 Cabrio Loudspeaker Seal Right O/S 6943078

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual

Part no. 8573257-9

BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes ML W164 Bracket Holder Compensator Control Module Mount A1648201614

Part no. A1648201614

Mercedes ML W164 Bracket Holder Compensator Control Module Mount A1648201614

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W205 Battery Lead Wiring Loom Cable Hybrid Cable Harness A2054404136

Part no. A2054404136

Mercedes W205 Battery Lead Wiring Loom Cable Hybrid Cable Harness A2054404136

£37.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mini Cooper R56 Positive Battery Cable Alternator Lead 8604258

Part no. 8604258

Mini Cooper R56 Positive Battery Cable Alternator Lead 8604258

£75.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129

Part no. 7852129

Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129

£332.95

Free delivery - Wed, Dec 24

If paid before 14:00

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Audi A6 C7 MMI Multimedia Sat Nav Navigation Control Head Unit 4G1035192F

Part no. RHD-4G1035192F-1

Audi A6 C7 MMI Multimedia Sat Nav Navigation Control Head Unit 4G1035192F

£75.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes SL R231 Wire Window Lifter Motor Front Left Right N/O/S A2315406006

Part no. A2315406006

Mercedes SL R231 Wire Window Lifter Motor Front Left Right N/O/S A2315406006

£18.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW F36 Gran Coupe LCI Tailgate Smart Opener Control Module 7932682

Part no. 5A398E8

BMW F36 Gran Coupe LCI Tailgate Smart Opener Control Module 7932682

£80.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW G11 G12 Trunk Bracket Holder Audio Boot Amplifier Mounting Mount 9353270

Part no. 9353270

BMW G11 G12 Trunk Bracket Holder Audio Boot Amplifier Mounting Mount 9353270

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW G30 G31 Tailgate Smart Opening Module 7496165

Part no. 7496165

BMW G30 G31 Tailgate Smart Opening Module 7496165

£37.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes A200 W176 2.1L OM651.930 Engine Control Unit ECU A6519005103 Manual

Part no. A6519005103

Mercedes A200 W176 2.1L OM651.930 Engine Control Unit ECU A6519005103 Manual

£66.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Volkswagen Polo 6R Tiguan 1T Multi Use Control Module Relay SET 4H0951253C

Part no. 4H0951253C-1

Volkswagen Polo 6R Tiguan 1T Multi Use Control Module Relay SET 4H0951253C

£18.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A5 S5 S5 8T 4.2 FSI Alternator Bracket Mount Holder 079903805AF

Part no. 079903805AF

Audi A5 S5 S5 8T 4.2 FSI Alternator Bracket Mount Holder 079903805AF

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW 3 F30 Series LCI Hybrid High Voltage Battery Top Cooling Radiator 8632541

Part no. 8632541

BMW 3 F30 Series LCI Hybrid High Voltage Battery Top Cooling Radiator 8632541

£66.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9383182

Part no. 9383182

BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9383182

£165.95

Free delivery - Wed, Dec 24

If paid before 14:00

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Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523

Part no. A0009822523

Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes C238 Touch Panel Controller Wiring Harness Loom Cable A2135408668

Part no. A2135408668

Mercedes C238 Touch Panel Controller Wiring Harness Loom Cable A2135408668

£51.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Volkswagen Polo Mk6 Fuse Relay Box Power Supply Unit 2Q0937615A

Part no. 2Q0937615A

Volkswagen Polo Mk6 Fuse Relay Box Power Supply Unit 2Q0937615A

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Amplifier Antenna Sensor Mercedes W169 W245 Control Unit Module A1698208689

Part no. A1698208689

Amplifier Antenna Sensor Mercedes W169 W245 Control Unit Module A1698208689

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A3 8P 2.0 TDI 140HP CFFB Engine Control ECU Kit 03L906018AG Automatic

Part no. 03L906018AG

Audi A3 8P 2.0 TDI 140HP CFFB Engine Control ECU Kit 03L906018AG Automatic

£142.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Ford Transit Connect Fuse Box Power Distribution Junction Relay 2S6T-14A073-AC

Part no. 2S6T-14A073-AC

Ford Transit Connect Fuse Box Power Distribution Junction Relay 2S6T-14A073-AC

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Volkswagen Polo 6N Audi Rear Relay Wiper 4-Pin Black 1H0955529

Part no. 1H0955529

Volkswagen Polo 6N Audi Rear Relay Wiper 4-Pin Black 1H0955529

£37.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW 7 Series E65 E66 Japan Navigation Sat Nav System DVD CompactFlash Player

Part no. 6939944

BMW 7 Series E65 E66 Japan Navigation Sat Nav System DVD CompactFlash Player

£189.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi S5 8T Front Door Wiring Harness Cable Loom Right O/S 8T2971030J

Part no. RHD-8T2971030J

Audi S5 8T Front Door Wiring Harness Cable Loom Right O/S 8T2971030J

£47.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Battery Cable Mercedes W204 C207 Starter Alternator Wiring Harness A2044405736

Part no. rhd-A2044405736

Battery Cable Mercedes W204 C207 Starter Alternator Wiring Harness A2044405736

£85.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A5 8F 2.0 TDI CGLC 177HP Diesel Engine Control Unit ECU 03L906018JG Manual

Part no. 03L906018JG

Audi A5 8F 2.0 TDI CGLC 177HP Diesel Engine Control Unit ECU 03L906018JG Manual

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes EQA H243 Hybrid Control Unit Module A7899820300

Part no. A7899820300

Mercedes EQA H243 Hybrid Control Unit Module A7899820300

£94.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Honda Stream S 2.0i K20A1 156HP Engine ECU Control Unit Manual 37820-PSA-N61

Part no. 37820-PSA-N61

Honda Stream S 2.0i K20A1 156HP Engine ECU Control Unit Manual 37820-PSA-N61

£189.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Door Module Mercedes W205 W253 C253 Front Left N/S Control Unit ECU A2059002922

Part no. A2059002922

Door Module Mercedes W205 W253 C253 Front Left N/S Control Unit ECU A2059002922

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A6 C6 Interference Disturbance Suppressor Filter Module 8T0035570

Part no. 8T0035570

Audi A6 C6 Interference Disturbance Suppressor Filter Module 8T0035570

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266

Part no. 9387266

FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266

£113.95

Free delivery - Wed, Dec 24

If paid before 14:00

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Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900

Part no. A2055401900

Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900

£66.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A4 B8 A5 8T Q5 8R Audio Amplifier Sound Module Control Unit 8R0035223H

Part no. 8R0035223H

Audi A4 B8 A5 8T Q5 8R Audio Amplifier Sound Module Control Unit 8R0035223H

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW X3 F25 Wiring Loom Cable Seat Front Left Right N/O/S 9267332

Part no. 9267332

BMW X3 F25 Wiring Loom Cable Seat Front Left Right N/O/S 9267332

£18.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049005501

Part no. A2049005501

Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049005501

£75.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom 81A971104

Part no. 81A971104

Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom 81A971104

£47.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Ford Transit Mk7 V Fuse Box Loom Wiring Harness Under Bonnet Unit CC1T9K499MLE

Part no. 1757525

Ford Transit Mk7 V Fuse Box Loom Wiring Harness Under Bonnet Unit CC1T9K499MLE

£66.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW F40 G20 G26 Wireless Charger Centre Console Charging Module Unit 5A1DB20

Part no. 5A1DB20

BMW F40 G20 G26 Wireless Charger Centre Console Charging Module Unit 5A1DB20

£94.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W221 Rear View Backup Camera Control Unit Module A2218708485

Part no. A2218708485

Mercedes W221 Rear View Backup Camera Control Unit Module A2218708485

£32.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W205 BCM Body Control Module Unit ECU A2059007339

Part no. A2059007339

Mercedes W205 BCM Body Control Module Unit ECU A2059007339

£37.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Porsche Cayenne 92A Radio Head Unit Sat Nav Control Panel Unit 7P5035884S

Part no. 958642970AX

Porsche Cayenne 92A Radio Head Unit Sat Nav Control Panel Unit 7P5035884S

£370.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W205 Negative Battery Cable Earth Lead Harness Wiring A2055407716

Part no. A2055407716

Mercedes W205 Negative Battery Cable Earth Lead Harness Wiring A2055407716

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A0005400664

Part no. A0005400664

Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A0005400664

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Starter Motor BMW F90 M5 G11 G30 Petrol Engine Starter Actuator DENSO 8657337

Part no. 8657337

Starter Motor BMW F90 M5 G11 G30 Petrol Engine Starter Actuator DENSO 8657337

£123.95

Free delivery - Wed, Dec 24

If paid before 14:00

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Mercedes W177 W247 Display Screen Instrument Cluster Speedo Meter A2479007204

Part no. RHD-A2479007204-1

Mercedes W177 W247 Display Screen Instrument Cluster Speedo Meter A2479007204

£208.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Iveco Eurocargo Relay 24V V23134-A56-X441 Blue 504063773

Part no. 504063773

Iveco Eurocargo Relay 24V V23134-A56-X441 Blue 504063773

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW G20 G80 G82 Multimedia Screen Display Screen Sat Nav Radio Head Unit 9826556

Part no. 9826556

BMW G20 G80 G82 Multimedia Screen Display Screen Sat Nav Radio Head Unit 9826556

£80.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Toyota Yaris Mk1 XP10 Under Bonnet Hood Relay Fuse Box Board 827410D010

Part no. 827410D010

Toyota Yaris Mk1 XP10 Under Bonnet Hood Relay Fuse Box Board 827410D010

£47.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes R231 Front Door Cable Harness Right O/S Lock System A2315401208

Part no. RHD-A2315401208

Mercedes R231 Front Door Cable Harness Right O/S Lock System A2315401208

£37.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW E90 E91 E92 Centre Console Cable Wiring Loom Guide Bracket Trim 6948339

Part no. rhd-6948339

BMW E90 E91 E92 Centre Console Cable Wiring Loom Guide Bracket Trim 6948339

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW 3 F30 LCI Hybrid High Voltage Battery Bottom Cooling Radiator 8632542

Part no. 8632542

BMW 3 F30 LCI Hybrid High Voltage Battery Bottom Cooling Radiator 8632542

£66.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W176 Automatic Gearbox Transmission Module Control Unit ECU A0009006302

Part no. A0009006302

Mercedes W176 Automatic Gearbox Transmission Module Control Unit ECU A0009006302

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A4 B9 A5 F5 Petrol Engine Fuel Pump Control Unit Module 8W0906093G

Part no. 8W0906093G

Audi A4 B9 A5 F5 Petrol Engine Fuel Pump Control Unit Module 8W0906093G

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW E90 Front Sport Seat Lumbar Wiring Loom Harness Cable 9180402

Part no. 9180402

BMW E90 Front Sport Seat Lumbar Wiring Loom Harness Cable 9180402

£18.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mini Cooper One R56 R55 R57 R58 LCi Retaining plate fuse box SPEG 2751445

Part no. 2751445

Mini Cooper One R56 R55 R57 R58 LCi Retaining plate fuse box SPEG 2751445

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606

Part no. A1695400606

Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W470 Automatic Gearbox Transmission Module Unit Control ECU EMU30290N

Part no. EMU30290N

Mercedes W470 Automatic Gearbox Transmission Module Unit Control ECU EMU30290N

£85.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063ME

Part no. 4N0907063ME

Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063ME

£170.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Bluetooth Module BMW F01 F06 F10 F15 F20 F25 Telematics Control Unit 9371444

Part no. 9371444

Bluetooth Module BMW F01 F06 F10 F15 F20 F25 Telematics Control Unit 9371444

£61.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes C219 CLS 320 642.920 224HP Engine Module Unit ECU A6421503972 Automatic

Part no. A6421503972

Mercedes C219 CLS 320 642.920 224HP Engine Module Unit ECU A6421503972 Automatic

£94.95

Free delivery - Tue, Dec 23

If paid before 14:00

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VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095B

Part no. 7L6971095B

VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095B

£66.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224

Part no. A1665400224

Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224

£37.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9230447

Part no. 9230447

BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9230447

£189.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Iveco Eurocargo Relay 24V 50A V23134-J56-X373 500362250

Part no. 500362250

Iveco Eurocargo Relay 24V 50A V23134-J56-X373 500362250

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Skoda Octavia 1Z Screen Display Multimedia Head Unit Dashboard Cover Trim

Part no. OCTAVIA-1Z-SCREEN

Skoda Octavia 1Z Screen Display Multimedia Head Unit Dashboard Cover Trim

£47.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Battery Bracket VW Golf 8 CD1 Audi A3 8Y Battery Clamp Holder 5WA915343B

Part no. 5WA915343B

Battery Bracket VW Golf 8 CD1 Audi A3 8Y Battery Clamp Holder 5WA915343B

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593

Part no. 5Q4959593

Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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VW Golf 5 V 1K Fuse Box Control Unit Relay Power Distribution Module 1K2941824

Part no. 1K2941824

VW Golf 5 V 1K Fuse Box Control Unit Relay Power Distribution Module 1K2941824

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W205 Front Relay Power Fuse Box Control Unit Module A2055407011

Part no. RHD-A2055407011-2

Mercedes W205 Front Relay Power Fuse Box Control Unit Module A2055407011

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261

Part no. A1645460261

Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW 3 F30 LCI Hybrid High Voltage Battery Holder Mounting Plate Brace 8620522

Part no. 8620522

BMW 3 F30 LCI Hybrid High Voltage Battery Holder Mounting Plate Brace 8620522

£37.95

Free delivery - Tue, Dec 23

If paid before 14:00

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BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418

Part no. 6969418

BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418

£13.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W221 Front Left Seat Control Module Unit A2218704987

Part no. A2218704987

Mercedes W221 Front Left Seat Control Module Unit A2218704987

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605

Part no. A2129060605

Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605

£70.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Audi A4 B9 Door Card Wiring Loom Harness Cable Front Right O/S 8W0971035

Part no. 8W0971035

Audi A4 B9 Door Card Wiring Loom Harness Cable Front Right O/S 8W0971035

£18.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes W177 Windscreen Windshield Rain Sensor Control Unit Front A2149009808

Part no. A2149009808

Mercedes W177 Windscreen Windshield Rain Sensor Control Unit Front A2149009808

£51.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Skoda Octavia RS VRS 1Z II 2.0 TFSI BWA 200HP Engine Unit ECU 1Z0907115A Manual

Part no. 1Z0907115A

Skoda Octavia RS VRS 1Z II 2.0 TFSI BWA 200HP Engine Unit ECU 1Z0907115A Manual

£94.95

Free delivery - Wed, Dec 24

If paid before 14:00

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Audi A3 8Y Multimedia Radio CD Player Bluetooth Control Head Unit 8Y0035043B

Part no. 8Y0035043B

Audi A3 8Y Multimedia Radio CD Player Bluetooth Control Head Unit 8Y0035043B

£142.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes SL R231 Roadster Wiring Harness Front Door Right O/S Loom A2315409932

Part no. RHD-A2315409932

Mercedes SL R231 Roadster Wiring Harness Front Door Right O/S Loom A2315409932

£28.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mercedes ML W164 Audio Sound Amplifier Bracket Mount Support Holder A1648270214

Part no. A1648270214

Mercedes ML W164 Audio Sound Amplifier Bracket Mount Support Holder A1648270214

£23.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mini F60 Countryman Door Wiring Harness Rear Left Right N/O/S 6805893

Part no. 6805893

Mini F60 Countryman Door Wiring Harness Rear Left Right N/O/S 6805893

£32.95

Free delivery - Tue, Dec 23

If paid before 14:00

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Mini Cooper SD F55 F56 B47 163HP Engine Control Unit ECU DDE 8582719 Manual

Part no. 8582719

Mini Cooper SD F55 F56 B47 163HP Engine Control Unit ECU DDE 8582719 Manual

£189.95

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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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