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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Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652

Part no. 7P0907652

Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi A4 B8 Gateway Interface Control Unit Module ECU 8T0907468AD

Part no. 8T0907468AD

Audi A4 B8 Gateway Interface Control Unit Module ECU 8T0907468AD

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W246 Tailgate Aerial Antenna Amplifier Unit A1568200089

Part no. A1568200089

Mercedes W176 W246 Tailgate Aerial Antenna Amplifier Unit A1568200089

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8506570 + CAS3 + Key

Part no. 8506570-1

BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8506570 + CAS3 + Key

£427.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A

Part no. 4F0953549A

Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 W221 Distributor Box Block Control Unit Relay A0045467540

Part no. A0045467540

Mercedes W204 W221 Distributor Box Block Control Unit Relay A0045467540

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310

Part no. 7823310

BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811

Part no. A1679003811

Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811

£32.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576

Part no. 6948576

BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA

Part no. 6G9T-14B192-AA

Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Ford Transit Custom MK8 Body Control Module Unit BCM ECU BK2T14B476AU

Part no. BK2T14B476AU

Ford Transit Custom MK8 Body Control Module Unit BCM ECU BK2T14B476AU

£142.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mini F55 F56 Navigation DAB+ Head Unit High Control Unit Module 6842267

Part no. 6842267

Mini F55 F56 Navigation DAB+ Head Unit High Control Unit Module 6842267

£284.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Display Screen Information Navigation Dashboard A2129014606

Part no. A2129014606

Mercedes W212 Display Screen Information Navigation Dashboard A2129014606

£56.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media

Part no. 8792148

Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz E W211 Radio Aerial Antenna Amplifier Module Unit A2118200089

Part no. A2118200089

Mercedes-Benz E W211 Radio Aerial Antenna Amplifier Module Unit A2118200089

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW F10 F11 F12  Parking Brake Unit Electric Control Module EMF 6850846

Part no. 6850846

BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347

Part no. 6906347-1

BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R

Part no. 8P0907063R

Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audio Control Panel BMW F20 F30 F31 F32 Operating Unit FBM 6814183

Part no. 6814183

Audio Control Panel BMW F20 F30 F31 F32 Operating Unit FBM 6814183

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394402536

Part no. rhd-A6394402536

Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394402536

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW F20 125d F30 325d N47S1 218HP Engine Control Unit ECU DDE 8582521 Automatic

Part no. 8582521

BMW F20 125d F30 325d N47S1 218HP Engine Control Unit ECU DDE 8582521 Automatic

£284.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726

Part no. A1698206726

Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi A3 8V Headlight Head Light Lamp Range Control Unit Module ECU 5Q0907357

Part no. 5Q0907357

Audi A3 8V Headlight Head Light Lamp Range Control Unit Module ECU 5Q0907357

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Ignition Switch Mercedes W177 Electronic Anti Theft Control Module A1679003504

Part no. A1679003504

Ignition Switch Mercedes W177 Electronic Anti Theft Control Module A1679003504

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW Mini Cooper One R50 W10 Battery Cable Plus Pole 7515197

Part no. 7515197

BMW Mini Cooper One R50 W10 Battery Cable Plus Pole 7515197

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW E81 E84 E87 E88 E90 Ultra Sonic Module Alarm System 9149671

Part no. 6974373-1

BMW E81 E84 E87 E88 E90 Ultra Sonic Module Alarm System 9149671

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225

Part no. 6938226-1

BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Navigation Head Unit BMW E87 E90 Professional CCC CD Player Controller 9170719

Part no. 9170719

Navigation Head Unit BMW E87 E90 Professional CCC CD Player Controller 9170719

£379.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fuse Box Cover Mercedes W177 W247 Engine Compartment Housing Holder A2475407600

Part no. A2475407600

Fuse Box Cover Mercedes W177 W247 Engine Compartment Housing Holder A2475407600

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 Rear SAM Control Unit Module A2049000902

Part no. A2049000902-2

Mercedes W204 Rear SAM Control Unit Module A2049000902

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469003014

Part no. A2469003014

Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469003014

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013

Part no. 9290013

BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F

Part no. 5Q0919283F

Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957109

Part no. 6957109

BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957109

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600

Part no. 6935600

BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU DDE 8519009 Manual

Part no. 8519009

BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU DDE 8519009 Manual

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614

Part no. A2229001614

Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779

Part no. 9131779

BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902

Part no. A2049000902

Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW F90 M5 F91 M8 G05 G11 G30 Steering Column Control Unit Module 6885215

Part no. 6885215

BMW F90 M5 F91 M8 G05 G11 G30 Steering Column Control Unit Module 6885215

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595B

Part no. 5Q0959595B

Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595B

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9305736

Part no. 9305736

BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9305736

£51.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Parktronic Screen Mercedes W207 W212 Front Parking Sensor Display A0015424423

Part no. A0015424423

Parktronic Screen Mercedes W207 W212 Front Parking Sensor Display A0015424423

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547

Part no. 6858547

BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz W221 Positive Battery Plus Pole Terminal Lead Cable A2215403930

Part no. A2215403930

Mercedes-Benz W221 Positive Battery Plus Pole Terminal Lead Cable A2215403930

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9215715

Part no. 9335298

BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9215715

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW Mini Cooper R55 R56 Petrol N12 1.6 120HP ECU Kit DME + CAS3 + Key 7600019

Part no. 7600019-3

BMW Mini Cooper R55 R56 Petrol N12 1.6 120HP ECU Kit DME + CAS3 + Key 7600019

£170.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox

Part no. 7552176-8

BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox

£142.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW 5 6 F07 F10 F11 F12 VDC Rear Suspension Level Control Unit Module 6859720

Part no. 6859720

BMW 5 6 F07 F10 F11 F12 VDC Rear Suspension Level Control Unit Module 6859720

£75.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic

Part no. 8518269-8

BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851

Part no. A2124404851

Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Black-eye Purple

Part no. P0148459-PUR

Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Black-eye Purple

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218

Part no. 9287218

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW MINI Cooper One Clubman R55 R55N LCI Wiper Motor Window Left Rear N/S 716815

Part no. 7168153

BMW MINI Cooper One Clubman R55 R55N LCI Wiper Motor Window Left Rear N/S 716815

£25.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi A4 B8 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8R2035666E

Part no. RHD-8R2035666E

Audi A4 B8 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8R2035666E

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Interface Cable Mercedes W169 W204 USB AUX Audio Iphone Media A0018278204

Part no. A0018278204

Interface Cable Mercedes W169 W204 USB AUX Audio Iphone Media A0018278204

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782

Part no. 9166782

BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mini Cooper R55 R56 R57 N12 120HP Petrol Engine ECU Kit DME 7573701 CAS3 Key

Part no. 7573701-1

Mini Cooper R55 R56 R57 N12 120HP Petrol Engine ECU Kit DME 7573701 CAS3 Key

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D

Part no. 8P4035223D

Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287

Part no. 6943287-1

BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Display Screen Mercedes W221 W216 Monitor Information Dash Dashboard A2219003504

Part no. rhd-A2219003504

Display Screen Mercedes W221 W216 Monitor Information Dash Dashboard A2219003504

£427.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308

Part no. 7615308

BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7612190 + CAS3 + Keys Manual

Part no. 7612190-1

Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7612190 + CAS3 + Keys Manual

£617.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 4B0959643E

Part no. 4B0959643E

Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 4B0959643E

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Sprinter W906 Fuse Box Relay SAM Module Control Unit A9065452601

Part no. A9065452601

Mercedes Sprinter W906 Fuse Box Relay SAM Module Control Unit A9065452601

£123.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW F20 F30 F31 116d 316d 116HP N47N Engine ECU Control Unit DDE 8576341 Manual

Part no. 8576341-1

BMW F20 F30 F31 116d 316d 116HP N47N Engine ECU Control Unit DDE 8576341 Manual

£56.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi A4 B9 Multimedia Volume Control Button Switch Knob Head Unit 8W2919616

Part no. RHD-8W2919616

Audi A4 B9 Multimedia Volume Control Button Switch Knob Head Unit 8W2919616

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Aerial Antenna Control Unit Keyless Go Entry A1668200075

Part no. A1668200075

Mercedes W205 Aerial Antenna Control Unit Keyless Go Entry A1668200075

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990

Part no. 6855990

BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990

£123.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 M274 Battery Cable Starter Alternator Wiring Harness A2044405536

Part no. rhd-A2044405536

Mercedes W204 M274 Battery Cable Starter Alternator Wiring Harness A2044405536

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Module Mercedes Sprinter W906 Front Right O/S Control Unit ECU A9068203526

Part no. A9068203526

Door Module Mercedes Sprinter W906 Front Right O/S Control Unit ECU A9068203526

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Battery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenne 9PA Top Cap 7L0864643B

Part no. 7L0864643B

Battery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenne 9PA Top Cap 7L0864643B

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Audi Q7 4L Power Supply Battery Control Module Unit 4L0915181

Part no. 4L0915181

Audi Q7 4L Power Supply Battery Control Module Unit 4L0915181

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973

Part no. 7607973

BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Manual

Part no. 8617551-3

BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Manual

£351.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 Front Seat Dynamic Lumbar Air Pump Unit A0008005648

Part no. A0008005648

Mercedes W204 Front Seat Dynamic Lumbar Air Pump Unit A0008005648

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW Z4 E89 Roadster Boardmonitor Central Information Display 9210504

Part no. 9210504

BMW Z4 E89 Roadster Boardmonitor Central Information Display 9210504

£332.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X5 Series E53 3.0d M57N Cable Starter Base B 7791352 12427791352

Part no. 7791352

BMW X5 Series E53 3.0d M57N Cable Starter Base B 7791352 12427791352

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW E87 Footwell Light Module Control Unit ECU PL2 FRMFA Lear 6987999

Part no. 6987999-2

BMW E87 Footwell Light Module Control Unit ECU PL2 FRMFA Lear 6987999

£75.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X5 X6 Series E70 E71 Dashboard Onboard Monitor Display Screen 8,8" 9223682

Part no. 9223682

BMW X5 X6 Series E70 E71 Dashboard Onboard Monitor Display Screen 8,8" 9223682

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE

Part no. 6C1T-14B056-AE

Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W203 Fuse Box SAM Control Unit Module Relay A2035454501

Part no. A2035454501

Mercedes W203 Fuse Box SAM Control Unit Module Relay A2035454501

£112.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Radar Sensor Mercedes W177 W205 W247 Front Distronic Module Unit A0009057011

Part no. A0009057011

Radar Sensor Mercedes W177 W205 W247 Front Distronic Module Unit A0009057011

£123.95

Free delivery - Fri, Dec 19

If paid before 14:00

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 BMW F01 F10 CIC Professional Sat Nav Infotainment Radio Head Unit 9239155

Part no. 9239155

BMW F01 F10 CIC Professional Sat Nav Infotainment Radio Head Unit 9239155

£379.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fuse Box Mercedes W204 W212 Front Relay Control Unit Module SAM A2129003814

Part no. A2129003814

Fuse Box Mercedes W204 W212 Front Relay Control Unit Module SAM A2129003814

£132.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor 4H0955557

Part no. 4H0955557

Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor 4H0955557

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL

Part no. 5Q0937084CL

Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Gearbox Wiring BMW F07 F10 LCI 520d N47N Automatic Engine Loom Harness 8574257

Part no. rhd-8574257

Gearbox Wiring BMW F07 F10 LCI 520d N47N Automatic Engine Loom Harness 8574257

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Transmission Module Mercedes W176 W246 Control Unit ECU A2469003114

Part no. A2469003114

Transmission Module Mercedes W176 W246 Control Unit ECU A2469003114

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 9187317

Part no. 9187317

BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 9187317

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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BMW Mini Cooper One R50 R53 Fuse Box Cover Black 1480793 61131480793

Part no. 1480793

BMW Mini Cooper One R50 R53 Fuse Box Cover Black 1480793 61131480793

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A

Part no. 4H0951253A

Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W203 220CDI OM646.963 150HP Engine Unit ECU Kit A6461509777 Key Lock

Part no. A6461509777-1

Mercedes W203 220CDI OM646.963 150HP Engine Unit ECU Kit A6461509777 Key Lock

£142.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002

Part no. A1779061002-1

Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002

£28.95

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BMW 7 Series E65 E66 Battery B  Engine Compartment Terminal Point 8387568

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BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568

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BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559

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BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559

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BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634

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BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634

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Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489

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Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489

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BMW F30 F32 LCI 335dX 435dX N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key

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BMW F30 F32 LCI 335dX 435dX N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key

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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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