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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Control Unit Mini F54 F55 F56 Module Active Sound 9381884

Part no. 9381884

Control Unit Mini F54 F55 F56 Module Active Sound 9381884

£70.95

Free delivery - Wed, Dec 17

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 - Wed, Dec 17

If paid before 14:00

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Audi TT 8J Tyre Pressure Control Module Unit 8J0907274B

Part no. 8J0907274B

Audi TT 8J Tyre Pressure Control Module Unit 8J0907274B

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A1 8X Body Control Module BCM Power Supply Unit 8X0907063A

Part no. 8X0907063A

Audi A1 8X Body Control Module BCM Power Supply Unit 8X0907063A

£28.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini Cooper R50 R52 R53 Air Module Control Unit Module ECU 6962531

Part no. 6962531

Mini Cooper R50 R52 R53 Air Module Control Unit Module ECU 6962531

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW Mini Clubman R55 Cable Wiring Loom Splitdoor  Door Rear Left N/S 9199491

Part no. 9199491

BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9199491

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW 3 X3 X5 Series E46 E53 E83 Telematics Bluetooth Control Unit Module 6963758

Part no. 6963758

BMW 3 X3 X5 Series E46 E53 E83 Telematics Bluetooth Control Unit Module 6963758

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Automatic

Part no. 9895416-1

BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Automatic

£189.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME CAS3 + Key 7589971 Manual

Part no. 7589971-9

Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME CAS3 + Key 7589971 Manual

£113.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A1 8X Seat Ibiza Mk5 Fuse Box Control Module Relay Box 2Q0941828E

Part no. 2Q0941828E

Audi A1 8X Seat Ibiza Mk5 Fuse Box Control Module Relay Box 2Q0941828E

£28.95

Free delivery - Wed, Dec 17

If paid before 14:00

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PDC Wiring Mercedes W211 W219 Front Bumper Parking Sensor Loom Cable A2195406207

Part no. A2195406207

PDC Wiring Mercedes W211 W219 Front Bumper Parking Sensor Loom Cable A2195406207

£66.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905

Part no. A2125406905

Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905

£23.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini Cooper R50 R52 W10 1.6 116HP Petrol Engine Control Unit ECU 7557395 Manual

Part no. 7557395-13

Mini Cooper R50 R52 W10 1.6 116HP Petrol Engine Control Unit ECU 7557395 Manual

£37.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185401610

Part no. rhd-A2185401610

Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185401610

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A6 C6 Rear Left N/S Door Lock Control Module Unit ECU 4F0959795P

Part no. 4F0959795P

Audi A6 C6 Rear Left N/S Door Lock Control Module Unit ECU 4F0959795P

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini Cooper One R50 R52 R53 Fuse Box Electrical Unit Cover Cap Black 6906606

Part no. 6906606

Mini Cooper One R50 R52 R53 Fuse Box Electrical Unit Cover Cap Black 6906606

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW X5 F15 N20 Petrol Wiring Harness Transmission Gearbox Module Cable 8632692

Part no. 8632692

BMW X5 F15 N20 Petrol Wiring Harness Transmission Gearbox Module Cable 8632692

£142.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mini Paceman R61 Cable Door Rear Left Right N/O/S Wiring Harness 9810061

Part no. 9810061

Mini Paceman R61 Cable Door Rear Left Right N/O/S Wiring Harness 9810061

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW X5 X6 E70 E71 Gearbox Emergency Release Unlocking Device Automatic 7590203

Part no. rhd-7590203

BMW X5 X6 E70 E71 Gearbox Emergency Release Unlocking Device Automatic 7590203

£23.95

Free delivery - Wed, Dec 17

If paid before 14:00

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AUDI A4 B8 Reversing Camera Control Module Rear View Unit ECU 8T0907441D

Part no. 8T0907441D

AUDI A4 B8 Reversing Camera Control Module Rear View Unit ECU 8T0907441D

£113.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9381020

Part no. 9381020

BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9381020

£75.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064GG

Part no. 8K0907064GG

Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064GG

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes Vito W639 Control Unit Module Bracket Holder Carrier A6395402273

Part no. rhd-A6395402273

Mercedes Vito W639 Control Unit Module Bracket Holder Carrier A6395402273

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391

Part no. 6825835

BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini Cooper 1 R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456872

Part no. 3456872-1

Mini Cooper 1 R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456872

£275.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Plus Cable Wiring Mini Cooper R55 R56 R57 Battery Lead Power Positive 7571142

Part no. 7571142

Plus Cable Wiring Mini Cooper R55 R56 R57 Battery Lead Power Positive 7571142

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW X5 E46 E53 Side Air Module Control Unit ECU 6912755 6962530

Part no. 6912755

BMW X5 E46 E53 Side Air Module Control Unit ECU 6912755 6962530

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E87 Cables Set Wiring PDC Parking Sensor Front Bumper 6962581

Part no. 6962581

BMW E87 Cables Set Wiring PDC Parking Sensor Front Bumper 6962581

£32.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F40 Body Control Module Domain Controller Unit BDC ECU 5A2D542

Part no. 5A2D542

BMW F40 Body Control Module Domain Controller Unit BDC ECU 5A2D542

£170.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413

Part no. A2059006413

Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392

Part no. 9270392-2

BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red

Part no. 9140942-BAR

BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A61148

Part no. 5A61148

Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A61148

£351.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A8 D4 4H Front Door Control Module Unit ECU Passenger Side 4H0959792H

Part no. 4H0959792H

Audi A8 D4 4H Front Door Control Module Unit ECU Passenger Side 4H0959792H

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511

Part no. 8067511

BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes W212 Battery Starter Alternator Wiring Harness Cable A2124409752

Part no. rhd-A2124409752

Mercedes W212 Battery Starter Alternator Wiring Harness Cable A2124409752

£32.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes SL R231 W246 Tailgate Rear View Reversing Camera A2469056103

Part no. A2469056103

Mercedes SL R231 W246 Tailgate Rear View Reversing Camera A2469056103

£132.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E39 X5 E53 Z4 E85 Drive For Window Lifter Motor Right O/S 8362064

Part no. 8362064

BMW E39 X5 E53 Z4 E85 Drive For Window Lifter Motor Right O/S 8362064

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid 9284421

Part no. 9284421

BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid 9284421

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi Q3 8U Gateway Control Module Unit ECU 8U0907468Q

Part no. 8U0907468Q

Audi Q3 8U Gateway Control Module Unit ECU 8U0907468Q

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW Z4 E89 Hifi System Audio Sound Amplifier AMP Module Unit 9333106

Part no. 9333106

BMW Z4 E89 Hifi System Audio Sound Amplifier AMP Module Unit 9333106

£208.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A6 C6 CD Player Changer Multimedia Module Control Unit 4F0035110A

Part no. 4F0035110A

Audi A6 C6 CD Player Changer Multimedia Module Control Unit 4F0035110A

£42.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes W204 Cable Plug Wiring Loom Harness A0375450628

Part no. A0375450628

Mercedes W204 Cable Plug Wiring Loom Harness A0375450628

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi S3 8Y PDC Parking Distance Assist Sensor Module Control Unit 5WA919298B

Part no. 5WA919298B

Audi S3 8Y PDC Parking Distance Assist Sensor Module Control Unit 5WA919298B

£32.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667

Part no. 6935667-2

BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667

£61.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Engine Wiring BMW F20 F21 F30 F31 N20 Cable Loom Harness 7634056

Part no. 7634056

Engine Wiring BMW F20 F21 F30 F31 N20 Cable Loom Harness 7634056

£23.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A3 8V Bang Olufsen Audio AMP Amplifier Module Control Unit ECU 81A035466B

Part no. 81A035466B

Audi A3 8V Bang Olufsen Audio AMP Amplifier Module Control Unit ECU 81A035466B

£137.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F25 Xenon Headlight Ballast Control Unit Module 6823595

Part no. 6823595

BMW F25 Xenon Headlight Ballast Control Unit Module 6823595

£94.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes W205 Telematics Bluetooth Module Control Unit ECU A2059009643

Part no. A2059009643

Mercedes W205 Telematics Bluetooth Module Control Unit ECU A2059009643

£47.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

Part no. A9065460643

Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini Cooper S R52 R53 Positive Battery Cable Lead Wire Cable B 1508927

Part no. 1508927

Mini Cooper S R52 R53 Positive Battery Cable Lead Wire Cable B 1508927

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW X1 X3 Z4 E83 LCI E84 E89 E90 E91 E92 Speed Sensor Cluster 6782372

Part no. 6782372

BMW X1 X3 Z4 E83 LCI E84 E89 E90 E91 E92 Speed Sensor Cluster 6782372

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini R56 Head Unit CCC Navigation Navi Sat Nav Controller R55 R57 9159045

Part no. 9159045

Mini R56 Head Unit CCC Navigation Navi Sat Nav Controller R55 R57 9159045

£142.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW X3 F25 EPS Control Wiring Harness Loom Cable 9243626

Part no. 9243626

BMW X3 F25 EPS Control Wiring Harness Loom Cable 9243626

£66.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW Mini Cooper R55 R55N R56 R56N LCi Ultra Sonic Module Alarm System 3449417

Part no. 3449417

BMW Mini Cooper R55 R55N R56 R56N LCi Ultra Sonic Module Alarm System 3449417

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610

Part no. 2622610

Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610

£28.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Navigation Head Unit BMW F10 F20 F22 F30 Harman Sat Nav Unit High 9290357

Part no. 9290357

Navigation Head Unit BMW F10 F20 F22 F30 Harman Sat Nav Unit High 9290357

£379.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301

Part no. A1729051301

Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW 3 E93 Cabrio Convertible Rear Lid Holder Cable Support Guide 6919420

Part no. 6919420

BMW 3 E93 Cabrio Convertible Rear Lid Holder Cable Support Guide 6919420

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Ford Transit Connect Body Control Module BCM Control Unit ECU 7T1T-14A073-BB

Part no. 1504506

Ford Transit Connect Body Control Module BCM Control Unit ECU 7T1T-14A073-BB

£23.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9119707

Part no. 9119707

BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9119707

£23.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E39 On Board Monitor Dashboard Wide Display Screen 6913387

Part no. 6913387

BMW E39 On Board Monitor Dashboard Wide Display Screen 6913387

£113.95

Free delivery - Wed, Dec 17

If paid before 14:00

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VW Volkwagen Audi Seat Skoda Cable Loom Wiring Connector Plug Socket 3A0972695

Part no. 3A0972695

VW Volkwagen Audi Seat Skoda Cable Loom Wiring Connector Plug Socket 3A0972695

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110

Part no. A2125409110-1

Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Porsche Cayenne 92A Fuel Tank Gauge Right O/S Sender Control Unit TDI 7P0919673

Part no. 95862083202

Porsche Cayenne 92A Fuel Tank Gauge Right O/S Sender Control Unit TDI 7P0919673

£28.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW G20 G21 G30 G31 LCI G11 G12 Cell Module Connector Harness Loom Cable 8621018

Part no. 8621018

BMW G20 G21 G30 G31 LCI G11 G12 Cell Module Connector Harness Loom Cable 8621018

£23.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400

Part no. A2439008400

Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400

£47.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784

Part no. 9324784-1

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784

£28.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526

Part no. A2218707526

Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526

£23.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E88 E90 E92 E93 Steering Switch Cluster Column Indicator Wiper Stalk 9123041

Part no. 9123041-3

BMW E88 E90 E92 E93 Steering Switch Cluster Column Indicator Wiper Stalk 9123041

£37.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105

Part no. A2125406105

Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Door Cable Mercedes W176 W246 Wiring Loom Front Left Door N/S A2465408211

Part no. rhd-A2465408211

Door Cable Mercedes W176 W246 Wiring Loom Front Left Door N/S A2465408211

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212

Part no. 8709212

Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212

£123.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8512415 CAS3 Key Manual

Part no. 8512415-7

Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8512415 CAS3 Key Manual

£189.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241

Part no. 9326437

BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241

£28.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mini One D Diesel W17 1ND 88HP Engine ECU Control Unit DDE 7792544 Manual

Part no. 7792544

Mini One D Diesel W17 1ND 88HP Engine ECU Control Unit DDE 7792544 Manual

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi VW Volkswagen Seat Relay Unit Module 4 Pins 12V 4D09907131

Part no. 4D0907131

Audi VW Volkswagen Seat Relay Unit Module 4 Pins 12V 4D09907131

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes W203 Door Control Module Front Right O/S A2038201485

Part no. A2038201485

Mercedes W203 Door Control Module Front Right O/S A2038201485

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi Q2 GA Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7367747

Part no. 5WB959107B

Audi Q2 GA Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7367747

£66.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 7199997

Part no. 7199997

BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 7199997

£37.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes C204 Stereo Radio Sat Navi Head Unit Multimedia A2049003311

Part no. A2049003311

Mercedes C204 Stereo Radio Sat Navi Head Unit Multimedia A2049003311

£47.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Gearbox Module Mercedes SLK R171 Automatic Transmission Unit EGS A0325453132

Part no. A0325453132

Gearbox Module Mercedes SLK R171 Automatic Transmission Unit EGS A0325453132

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A

Part no. 8J0035456A

Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes GLC 220d X253 654.920 194HP 4Matic Engine Control Unit A6549009600

Part no. A6549009600-3

Mercedes GLC 220d X253 654.920 194HP 4Matic Engine Control Unit A6549009600

£161.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608

Part no. A1765405608

Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Audi A4 B8 Body Comfort Control BCM Module Unit ECU 8K0907064FM

Part no. 8K0907064FM

Audi A4 B8 Body Comfort Control BCM Module Unit ECU 8K0907064FM

£189.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A

Part no. 8J0035456A-1

Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609

Part no. A1775408609

Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Mercedes-Benz Vito W639 Starter Wiring Positive Plus Cable A6395409210

Part no. rhd-A6395409010

Mercedes-Benz Vito W639 Starter Wiring Positive Plus Cable A6395409210

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW 3 Series E46 Cable Harness Wiring Loom Door Rear Left / Right N/O/S 8378337

Part no. 8378337

BMW 3 Series E46 Cable Harness Wiring Loom Door Rear Left / Right N/O/S 8378337

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Microphone BMW E60 E65 E81 E87 E90 E91 Hands Free Telephone 6938762

Part no. 6938762

Microphone BMW E60 E65 E81 E87 E90 E91 Hands Free Telephone 6938762

£13.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW F11 Parking Brake Module Wiring Cable Harness Loom 9325545

Part no. 9325545

BMW F11 Parking Brake Module Wiring Cable Harness Loom 9325545

£47.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919

Part no. 9243919

BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919

£75.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Seat Module BMW F01 Front Left Control Unit Controller SM MF/M-HL 9221464

Part no. 9221464

Seat Module BMW F01 Front Left Control Unit Controller SM MF/M-HL 9221464

£18.95

Free delivery - Wed, Dec 17

If paid before 14:00

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Door Wiring Mercedes A205 Pasenger Side Door N/S Harness Loom A2055406831

Part no. A2055406831

Door Wiring Mercedes A205 Pasenger Side Door N/S Harness Loom A2055406831

£37.95

Free delivery - Wed, Dec 17

If paid before 14:00

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BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual

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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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