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 CLS C218 Front Fuse Relay Box On Board Supply A2129007024

Part no. A2129007024

Mercedes CLS C218 Front Fuse Relay Box On Board Supply A2129007024

£37.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Alarm Sensor BMW X1 E84 E91 Ultra Sonic-Module System Savanna Beige 9260874

Part no. 9260874-1

Alarm Sensor BMW X1 E84 E91 Ultra Sonic-Module System Savanna Beige 9260874

£32.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW X5 F15 High Voltage Battery Negative Cable 8618442

Part no. 8618442

BMW X5 F15 High Voltage Battery Negative Cable 8618442

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W164 iPod Interface Multimedia Music Connection Module B67824565

Part no. B67824565

Mercedes W164 iPod Interface Multimedia Music Connection Module B67824565

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Ford Transit Custom Air Module Control Unit ECU GK2T-14B321-AC

Part no. GK2T-14B321-AC

Ford Transit Custom Air Module Control Unit ECU GK2T-14B321-AC

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes CLS C218 Front Door Wiring Harness Loom Driver Side A2185402605

Part no. A2185402605

Mercedes CLS C218 Front Door Wiring Harness Loom Driver Side A2185402605

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual

Part no. 7583526-1

BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual

£379.95

Free delivery - Wed, Nov 05

If paid before 14:00

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Mercedes W164 Dew Point Fan Blower Humidity Resistance Sensor Unit A2518203910

Part no. A2518203910

Mercedes W164 Dew Point Fan Blower Humidity Resistance Sensor Unit A2518203910

£37.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW X5 F15 40eX N20 Positive HV Battery Wire Harness Loom Charging Cable 9324115

Part no. 9324115

BMW X5 F15 40eX N20 Positive HV Battery Wire Harness Loom Charging Cable 9324115

£70.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi Q7 4L Quattro S Line Keyless Entry Antenna Control Module 4L0907335

Part no. 4L0907335

Audi Q7 4L Quattro S Line Keyless Entry Antenna Control Module 4L0907335

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Door Wiring Harness BMW G11 Front Right Door O/S Wiring Loom Cables 9372534

Part no. 9372534

Door Wiring Harness BMW G11 Front Right Door O/S Wiring Loom Cables 9372534

Product currently unavailable

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BMW F30 320d ed N47N 163HP Engine ECU DDE Kit FEM + Key 8582279 Automatic

Part no. 8582279-6

BMW F30 320d ed N47N 163HP Engine ECU DDE Kit FEM + Key 8582279 Automatic

£189.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi Q3 8U Front Door Wiring Loom Harness Cable Driver's Side 8U0971029AF

Part no. 8U0971029AF

Audi Q3 8U Front Door Wiring Loom Harness Cable Driver's Side 8U0971029AF

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250

Part no. 7619250

Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW E60 E61 E65 E66 Front Seat Module Control Unit 6927312

Part no. 6927312

BMW E60 E61 E65 E66 Front Seat Module Control Unit 6927312

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW X5 SERIES E53 GROUND CABLE ALTERNATOR PETROL 1438941

Part no. 1438941

BMW X5 SERIES E53 GROUND CABLE ALTERNATOR PETROL 1438941

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mini F54 F55 F57 B48 136HP Petrol Engine Control ECU Kit DME 8674258 Manual

Part no. 8691838-1

Mini F54 F55 F57 B48 136HP Petrol Engine Control ECU Kit DME 8674258 Manual

£237.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Ford Transit Connect Mk2 II Starter Earth Ground Wire Cable FV6T14324BAB

Part no. FV6T14324BAB

Ford Transit Connect Mk2 II Starter Earth Ground Wire Cable FV6T14324BAB

£32.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Ford Transit Connect 1.8 TDCi 90HP Engine Control ECU 4T1112A650CB Manual

Part no. 4T1112A650CB

Ford Transit Connect 1.8 TDCi 90HP Engine Control ECU 4T1112A650CB Manual

£47.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W213 Front Door Wiring Harness Keyless Driver's Side A2135409130

Part no. RHD-A2135409130

Mercedes W213 Front Door Wiring Harness Keyless Driver's Side A2135409130

£32.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi A4 B9 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595G

Part no. 8W0959595G

Audi A4 B9 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595G

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W213 Door Module Rear Right O/S Control Unit A2139005009

Part no. A2139005009

Mercedes W213 Door Module Rear Right O/S Control Unit A2139005009

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW 1 Series F40 Aerial probe AM/FM Antenna 6838610

Part no. 6838610

BMW 1 Series F40 Aerial probe AM/FM Antenna 6838610

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 + Key + FEM

Part no. 8582279-1

BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 + Key + FEM

£474.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462

Part no. A2215402462

Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes C205 Keyless Go Easy Entry Control Module Unit A2229004618

Part no. A2229004618

Mercedes C205 Keyless Go Easy Entry Control Module Unit A2229004618

£42.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes Vito W447 W213 OM654 Power Distribution Relay Unit Module A0005459812

Part no. A0005459812

Mercedes Vito W447 W213 OM654 Power Distribution Relay Unit Module A0005459812

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mini F54 F55 F56 F57 Radio Sat Nav DAB Basic Media Player Head Unit 6822094

Part no. 6822094

Mini F54 F55 F56 F57 Radio Sat Nav DAB Basic Media Player Head Unit 6822094

£170.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W212 E250 CDI OM651.924 204HP Engine ECU Kit A6519007401 Ignition Keys

Part no. A6519007401-7

Mercedes W212 E250 CDI OM651.924 204HP Engine ECU Kit A6519007401 Ignition Keys

£189.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F33 ECU ICM Control Sensor Unit Air Module ECU 6868254

Part no. 6868254

BMW F33 ECU ICM Control Sensor Unit Air Module ECU 6868254

£37.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F40 Power Steering Rack Wiring Harness Loom Cable 5A2DA15

Part no. RHD-5A2DA15

BMW F40 Power Steering Rack Wiring Harness Loom Cable 5A2DA15

£32.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418

Part no. 9382418

BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Skoda Octavia II 1Z Parking Sensor Wiring Loom Cable Rear PDC 1Z5971065A

Part no. 1Z5971065A

Skoda Octavia II 1Z Parking Sensor Wiring Loom Cable Rear PDC 1Z5971065A

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Electronic Box BMW X3 E83 LCI 2.5si 3.0si N52N Control Unit Mount Holder 3417586

Part no. 3417586

Electronic Box BMW X3 E83 LCI 2.5si 3.0si N52N Control Unit Mount Holder 3417586

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202

Part no. A9079051202

Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087Q

Part no. 3AA937087Q

Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087Q

£47.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W212 E250 CDI 651.924 204HP Engine Unit ECU Kit A6519007500 Key Lock

Part no. A6519007500-13

Mercedes W212 E250 CDI 651.924 204HP Engine Unit ECU Kit A6519007500 Key Lock

£265.95

Free delivery - Wed, Nov 05

If paid before 14:00

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BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521

Part no. 9169521

BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W213 Front Door Wiring Harness Ambiente Driver's Side A2135404825

Part no. A2135404825

Mercedes W213 Front Door Wiring Harness Ambiente Driver's Side A2135404825

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes CLS W218 Rear Door Harness Loom Wiring Left Right N/O/S A2185404607

Part no. A2185404607

Mercedes CLS W218 Rear Door Harness Loom Wiring Left Right N/O/S A2185404607

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes R231 Fuse Box Cover Control Unit Holder Bracket A2315400282

Part no. A2315400282

Mercedes R231 Fuse Box Cover Control Unit Holder Bracket A2315400282

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W177 A200 163HP M282.914 Engine Control Unit ECU A2829003300 Automatic

Part no. A2829003300

Mercedes W177 A200 163HP M282.914 Engine Control Unit ECU A2829003300 Automatic

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Battery Cable Mercedes C118 W117 Sensor Negative Terminal Wiring A0009053816

Part no. A0009053816

Battery Cable Mercedes C118 W117 Sensor Negative Terminal Wiring A0009053816

£61.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795F

Part no. 8K0959795F

Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795F

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes-Benz W639 Battery Starter Alternator Positive Plus Cable A6395408610

Part no. rhd-A6395408610

Mercedes-Benz W639 Battery Starter Alternator Positive Plus Cable A6395408610

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W204 Parking Control Unit Module ECU A2049012604

Part no. A2049012604

Mercedes W204 Parking Control Unit Module ECU A2049012604

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F39 F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648856

Part no. 8648856

BMW F39 F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648856

£37.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F25 28dX N47N 180HP Engine ECU Control Unit DDE 8585373 Automatic USA Model

Part no. 8585373

BMW F25 28dX N47N 180HP Engine ECU Control Unit DDE 8585373 Automatic USA Model

£189.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW X5 F15 Cooler High Voltage Battery Lower 8616814

Part no. 8616814

BMW X5 F15 Cooler High Voltage Battery Lower 8616814

£94.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Seat Leon Mk3 Front Door Module Control Unit Driver's Side 5Q4959593C

Part no. 5Q4959593C

Seat Leon Mk3 Front Door Module Control Unit Driver's Side 5Q4959593C

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W213 Rear Door Wiring Harness Ambiente Left Right N/O/S A2135407525

Part no. A2135407525

Mercedes W213 Rear Door Wiring Harness Ambiente Left Right N/O/S A2135407525

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216

Part no. A2479003216

Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216

£379.95

Free delivery - Wed, Nov 05

If paid before 14:00

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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F

Part no. 7N0959792J

VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Relay Mercedes W204 4-Pin Electrical Relay Black Hella 12V 4RA007813

Part no. 4RA007813

Relay Mercedes W204 4-Pin Electrical Relay Black Hella 12V 4RA007813

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi Q7 4L Negative Battery Terminal Cable Wiring 4L0971597

Part no. 4L0971597

Audi Q7 4L Negative Battery Terminal Cable Wiring 4L0971597

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mini Cooper R55 R56 R57 Passive Go Module Control Unit 3449686

Part no. 3449686

Mini Cooper R55 R56 R57 Passive Go Module Control Unit 3449686

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Door Wiring BMW E65 E66 Front Right O/S Cable Harness Loom 6950348

Part no. 6950348

Door Wiring BMW E65 E66 Front Right O/S Cable Harness Loom 6950348

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes CLK W209 Cabrio Door Wiring Front Left Right N/O/S Loom A2095404110

Part no. A2095404110

Mercedes CLK W209 Cabrio Door Wiring Front Left Right N/O/S Loom A2095404110

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085

Part no. 1K0937085

VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Land Rover Freelander L314 Radio CD Player Stereo Head Unit 4CFF18C838BC

Part no. 4CFF18C838BC

Land Rover Freelander L314 Radio CD Player Stereo Head Unit 4CFF18C838BC

£85.95

Free delivery - Tue, Nov 04

If paid before 14:00

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VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L

Part no. 3Q0907530L

VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048

Part no. 6948048

BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi A1 8X Fuse Box Relay Control Unit Module Bracket Holder 8X0971845C

Part no. 8X0971845C

Audi A1 8X Fuse Box Relay Control Unit Module Bracket Holder 8X0971845C

£23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW X5 E70 LVDS Converter Module 0429511

Part no. 0429511

BMW X5 E70 LVDS Converter Module 0429511

£75.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mini Cooper One R55 R56 R57 Passenger's Door Harness Wiring Cables N/S 9137800

Part no. 9137800

Mini Cooper One R55 R56 R57 Passenger's Door Harness Wiring Cables N/S 9137800

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes ML W164 Keyless Go Module ECU Door Lock Control Unit A1648209226

Part no. A1648209226

Mercedes ML W164 Keyless Go Module ECU Door Lock Control Unit A1648209226

£47.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi Seat Skoda Volkswagen PDC Parking Sensor Control Unit Module 5QA919294J

Part no. 5QA919294C

Audi Seat Skoda Volkswagen PDC Parking Sensor Control Unit Module 5QA919294J

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705

Part no. A4474404705

Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F07 F10 F30 330d 520d N57N 184HP Engine Control ECU DDE 8572438 Automatic

Part no. 8572438

BMW F07 F10 F30 330d 520d N57N 184HP Engine Control ECU DDE 8572438 Automatic

£94.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Seat Leon Cupra 5F Head Unit Audio Radio Display Sat Nav Navigation 5F0919604F

Part no. 5F0919604F

Seat Leon Cupra 5F Head Unit Audio Radio Display Sat Nav Navigation 5F0919604F

£165.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F30 F32 LCI 330dX 430dX N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key

Part no. 8586540-2

BMW F30 F32 LCI 330dX 430dX N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key

£189.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW X5 F15 Cooler High Voltage Battery Upper 8616815

Part no. 8616815

BMW X5 F15 Cooler High Voltage Battery Upper 8616815

£94.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Telematics Module Mini F54 F55 F56 F60 Bluetooth Control Unit ECU 8720310

Part no. 8720310

Telematics Module Mini F54 F55 F56 F60 Bluetooth Control Unit ECU 8720310

£51.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F34 330d N57N 258HP Engine Control Unit Module ECU DDE 8582803 Automatic

Part no. 8582803

BMW F34 330d N57N 258HP Engine Control Unit Module ECU DDE 8582803 Automatic

£237.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W204 C350 CDI OM642.834 265HP BE Engine ECU Kit A6421508900 Automatic

Part no. A6421508900-9

Mercedes W204 C350 CDI OM642.834 265HP BE Engine ECU Kit A6421508900 Automatic

£313.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi A4 B8 A8 D4 Voltage Stabilizer Converter Control Unit Module 8K0959663A

Part no. 8K0959663A

Audi A4 B8 A8 D4 Voltage Stabilizer Converter Control Unit Module 8K0959663A

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F01 F02 F03 F04 Front Seat Control Unit Module Memory 9257102

Part no. 9257102

BMW F01 F02 F03 F04 Front Seat Control Unit Module Memory 9257102

£32.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW F45 B38 1.5 136HP Engine ECU Kit DME 8489647 BDC Key Automatic

Part no. 8489647-3

BMW F45 B38 1.5 136HP Engine ECU Kit DME 8489647 BDC Key Automatic

£332.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764

Part no. A0005400764

Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210

Part no. A2229003210

Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210

£32.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W211 Telephone Phone Control Unit Module Phone Unit A2118203185

Part no. A2118203185

Mercedes W211 Telephone Phone Control Unit Module Phone Unit A2118203185

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mini Cooper Cabrio R52 Battery Cable Plus Pole 7541084

Part no. 7541084

Mini Cooper Cabrio R52 Battery Cable Plus Pole 7541084

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW 7 Series E65 Cable Harness Loom Front Door Wiring Left Right N/O/S 6920292

Part no. 6920292

BMW 7 Series E65 Cable Harness Loom Front Door Wiring Left Right N/O/S 6920292

£18.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes R231 Centre Console USB Port Socket Plug Arm Rest A2318202915

Part no. A2318202915

Mercedes R231 Centre Console USB Port Socket Plug Arm Rest A2318202915

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208

Part no. A1669003208

Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208

£104.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Volkswagen Skoda Seat Audi Radiator Cooling Fan Relay Control Unit 1J0919506M

Part no. 1J0919506M

Volkswagen Skoda Seat Audi Radiator Cooling Fan Relay Control Unit 1J0919506M

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi A4 B8 Transmitting Receiving Unit Road Toll System 4F0035503E

Part no. 4F0035503E

Audi A4 B8 Transmitting Receiving Unit Road Toll System 4F0035503E

£75.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi A8 4H 3.0 TDI CDTA 250HP Quattro Engine ECU Kit 4H0907401 BCM + Key + Lock

Part no. 4H0907401-1

Audi A8 4H 3.0 TDI CDTA 250HP Quattro Engine ECU Kit 4H0907401 BCM + Key + Lock

£313.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666

Part no. 6922666

BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic

Part no. 03L906018KP

Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic

£123.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi Q5 8R 2.0 TDI CGLC Quattro 177HP Engine Control ECU Kit 03L906018JM Manual

Part no. 03L906018JM-1

Audi Q5 8R 2.0 TDI CGLC Quattro 177HP Engine Control ECU Kit 03L906018JM Manual

£189.95

Free delivery - Wed, Nov 05

If paid before 14:00

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Mercedes SLK R171 Radio Comand Nav CD Player Control Head Unit A1718704794

Part no. A1718704794

Mercedes SLK R171 Radio Comand Nav CD Player Control Head Unit A1718704794

£759.95

Free delivery - Tue, Nov 04

If paid before 14:00

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BMW MINI Cooper Clubman R55 R55N LCI Retaining Bracket Safety Belt Rear Right

Part no. 6974246

BMW MINI Cooper Clubman R55 R55N LCI Retaining Bracket Safety Belt Rear Right

£13.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Audi A3 8V 1.4 TFSI CMBA 122HP Engine Control Unit ECU Kit 04E907309A Manual

Part no. 04E907309A-1

Audi A3 8V 1.4 TFSI CMBA 122HP Engine Control Unit ECU Kit 04E907309A Manual

£142.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Mercedes W447 Fan Control Relay Control Module Unit A6229000400

Part no. A6229000400

Mercedes W447 Fan Control Relay Control Module Unit A6229000400

£28.95

Free delivery - Tue, Nov 04

If paid before 14:00

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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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