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 W176 W246 Battery Cover Accumulator Trim Panel Lid A2465410100

Part no. A2465410100

Mercedes W176 W246 Battery Cover Accumulator Trim Panel Lid A2465410100

£13.95

Free delivery: Feb 10

If paid before 14:00

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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A2465406432

Part no. A2465406432

Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A2465406432

£13.95

Free delivery: Feb 10

If paid before 14:00

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BMW E90 E92 E93 LCI M3 S65 Cable Alternator Starter Wiring 7839665

Part no. 7839665

BMW E90 E92 E93 LCI M3 S65 Cable Alternator Starter Wiring 7839665

£37.95

Free delivery: Feb 10

If paid before 14:00

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Audi Q3 8U 2.0 TDI CFFB 140HP Quattro Engine Control Unit ECU 03L906018CM Manual

Part no. 03L906018CM-1

Audi Q3 8U 2.0 TDI CFFB 140HP Quattro Engine Control Unit ECU 03L906018CM Manual

£123.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes GLE X156 4Matic Transfer Control Unit Module ECU A2469008113

Part no. A2469008113

Mercedes GLE X156 4Matic Transfer Control Unit Module ECU A2469008113

£32.95

Free delivery: Feb 10

If paid before 14:00

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Engine Wiring BMW F30 F31 N20 Loom Module Harness Cable 7631932

Part no. 7631932

Engine Wiring BMW F30 F31 N20 Loom Module Harness Cable 7631932

£142.95

Free delivery: Feb 11 – 18

If paid before 14:00

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Door Cable Mercedes W176 Wiring Loom Front Right Door O/S A1765401404

Part no. A1765401404

Door Cable Mercedes W176 Wiring Loom Front Right Door O/S A1765401404

£37.95

Free delivery: Feb 10

If paid before 14:00

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Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651

Part no. 4F0959651

Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi A5 F5 Headlight Module LED Light Control Unit Front Left N/S 1420000116

Part no. 1420000116

Audi A5 F5 Headlight Module LED Light Control Unit Front Left N/S 1420000116

£85.95

Free delivery: Feb 10

If paid before 14:00

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Ford Focus Mk3 Rear View Mirror Wiring Harness Cable F1ET-18D273-AC

Part no. F1ET-18D273-AC

Ford Focus Mk3 Rear View Mirror Wiring Harness Cable F1ET-18D273-AC

£18.95

Free delivery: Feb 10

If paid before 14:00

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Audi A6 C8 Multifunction Lcd Display Unity With Soft Touc Surface 4K4919603H

Part no. 4K4919603H

Audi A6 C8 Multifunction Lcd Display Unity With Soft Touc Surface 4K4919603H

£284.95

Free delivery: Feb 10

If paid before 14:00

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Audi A6 C8 Q7 4M Gateway Interface Control Unit Module ECU 4KE907468C

Part no. 4KE907468C

Audi A6 C8 Q7 4M Gateway Interface Control Unit Module ECU 4KE907468C

£189.95

Free delivery: Feb 11 – 18

If paid before 14:00

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Mercedes A207 Sound Audio Amplifier Unit Harman Becker A2079001300

Part no. A2079001300

Mercedes A207 Sound Audio Amplifier Unit Harman Becker A2079001300

£275.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332

Part no. A1715451332

Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332

£18.95

Free delivery: Feb 10

If paid before 14:00

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Volkswagen Golf 5G Radio Antenna Noise Signal Disturbance Suppressor 5Q0035570

Part no. 5Q0035570-1

Volkswagen Golf 5G Radio Antenna Noise Signal Disturbance Suppressor 5Q0035570

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi A3 8P 2.0 TDI CBAB 140HP Engine Control Unit ECU 03L906022LS Manual

Part no. 03L906022LS

Audi A3 8P 2.0 TDI CBAB 140HP Engine Control Unit ECU 03L906022LS Manual

£66.95

Free delivery: Feb 10

If paid before 14:00

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BMW E65 E66 Front Right Door O/S Wiring Harness Carrier 6950364

Part no. 6950364

BMW E65 E66 Front Right Door O/S Wiring Harness Carrier 6950364

£13.95

Free delivery: Feb 10

If paid before 14:00

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Wiring Loom Mercedes W639 Vito Cable Front Door Left Right N/O/S A6394407810

Part no. A6394407810

Wiring Loom Mercedes W639 Vito Cable Front Door Left Right N/O/S A6394407810

£18.95

Free delivery: Feb 10

If paid before 14:00

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Seat Module BMW F20 F30 F32 F33 X1 F48 X5 F15 Front Control Unit ECU 9459681

Part no. 9459681

Seat Module BMW F20 F30 F32 F33 X1 F48 X5 F15 Front Control Unit ECU 9459681

£123.95

Free delivery: Feb 10

If paid before 14:00

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BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535

Part no. 9805535

BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767

Part no. 4L0971767

Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi A4 B9 A5 5F 3.0 TDI CSWB 218 HP Engine Control Module 059907309F Automatic

Part no. 059907309F

Audi A4 B9 A5 5F 3.0 TDI CSWB 218 HP Engine Control Module 059907309F Automatic

£189.95

Free delivery: Feb 10

If paid before 14:00

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Volkswagen Touareg 7P Negative Battery Cable Wiring Loom 7P0971225B

Part no. 7P0971225B

Volkswagen Touareg 7P Negative Battery Cable Wiring Loom 7P0971225B

£13.95

Free delivery: Feb 10

If paid before 14:00

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BMW F20 F30 Wiring Harness Engine Transmission Module Diesel Manual N47N 8507909

Part no. 8507909

BMW F20 F30 Wiring Harness Engine Transmission Module Diesel Manual N47N 8507909

£80.95

Free delivery: Feb 10

If paid before 14:00

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Volkswagen Golf CD1 Diagnostic Interface Gateway Module ECU Control 5WB907530K

Part no. 5WB907530K

Volkswagen Golf CD1 Diagnostic Interface Gateway Module ECU Control 5WB907530K

£56.95

Free delivery: Feb 10

If paid before 14:00

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BMW F30 320iX N20 163HP Engine Unit ECU Kit DME 8639595 FEM + Key Automatic

Part no. 8639595-9

BMW F30 320iX N20 163HP Engine Unit ECU Kit DME 8639595 FEM + Key Automatic

£379.95

Free delivery: Feb 11 – 18

If paid before 14:00

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Mercedes C215 C216 W220 W221 R230 Relay Tyco Unit Module A0025426619

Part no. A0025426619

Mercedes C215 C216 W220 W221 R230 Relay Tyco Unit Module A0025426619

£18.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W207 A207 C207 Loudspeaker Cable Wiring Loom Harness

Part no. A2075401102

Mercedes W207 A207 C207 Loudspeaker Cable Wiring Loom Harness

£13.95

Free delivery: Feb 10

If paid before 14:00

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ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997

Part no. 6875997

ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997

£28.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes V177 Radio Remote Alarm Ignition Key Fob Button A1779050703

Part no. A1779050703

Mercedes V177 Radio Remote Alarm Ignition Key Fob Button A1779050703

£47.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes C238 W213 Trunk Lid Handsfree Switch Sensor A2139058001

Part no. A2139058001

Mercedes C238 W213 Trunk Lid Handsfree Switch Sensor A2139058001

£28.95

Free delivery: Feb 10

If paid before 14:00

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Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063701

Part no. A2229063701

Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063701

£23.95

Free delivery: Feb 10

If paid before 14:00

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Audi Q7 4L 3.0 TDI CRCA Quattro Engine Control Unit ECU 4L2910401C Lock + Key

Part no. 4L2910401C-1

Audi Q7 4L 3.0 TDI CRCA Quattro Engine Control Unit ECU 4L2910401C Lock + Key

£902.95

Free delivery: Feb 10

If paid before 14:00

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Diversity Antenna Amplifier Mini F57 Convertible DAB Module Unit 9309991

Part no. 9309991

Diversity Antenna Amplifier Mini F57 Convertible DAB Module Unit 9309991

£66.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W213 C238 Telematic Charging Phone Control Module A2139006911

Part no. A2139006911

Mercedes W213 C238 Telematic Charging Phone Control Module A2139006911

£37.95

Free delivery: Feb 10

If paid before 14:00

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Radio Player BMW F10 F11 F12 Alpine CD Champ Head Unit Controller 9248369

Part no. 9248369

Radio Player BMW F10 F11 F12 Alpine CD Champ Head Unit Controller 9248369

£66.95

Free delivery: Feb 10

If paid before 14:00

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Engine Wiring BMW F30 F31 330d F32 F36 430d N57N Loom Harness Cable 8578495

Part no. 8578495

Engine Wiring BMW F30 F31 330d F32 F36 430d N57N Loom Harness Cable 8578495

£56.95

Free delivery: Feb 10

If paid before 14:00

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BMW F01 F02 F07 GT 530d 730d N57 245HP Engine ECU DDE Kit 8515073 Automatic

Part no. 8515073-1

BMW F01 F02 F07 GT 530d 730d N57 245HP Engine ECU DDE Kit 8515073 Automatic

£189.95

Free delivery: Feb 10

If paid before 14:00

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BMW E92 E93 Parking Sensor Wiring Front Bumper PDC Loom Wiring Cabling Set

Part no. E93-PDC-FRONT

BMW E92 E93 Parking Sensor Wiring Front Bumper PDC Loom Wiring Cabling Set

£28.95

Free delivery: Feb 10

If paid before 14:00

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Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373

Part no. 9213373-1

Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373

£23.95

Free delivery: Feb 10

If paid before 14:00

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Mazda Mk6 BCM Body Control Module Unit ECU KD45675Y0G

Part no. KD45675Y0G

Mazda Mk6 BCM Body Control Module Unit ECU KD45675Y0G

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi A3 8P 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021RC Manual

Part no. 03G906021RC

Audi A3 8P 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021RC Manual

£47.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W177 W247 Battery Bracket  Battery Mount Holder Trim A2475451000

Part no. A2475451000

Mercedes W177 W247 Battery Bracket Battery Mount Holder Trim A2475451000

£18.95

Free delivery: Feb 10

If paid before 14:00

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 Porsche Macan 95B PDC Parking Sensor Wiring Rear Bumper Loom 95B971104T

Part no. 95B971104T

Porsche Macan 95B PDC Parking Sensor Wiring Rear Bumper Loom 95B971104T

£142.95

Free delivery: Feb 11 – 18

If paid before 14:00

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Audi A3 8P Door Wiring Loom Cable Harness Front Passenger's Side 8P3971035R

Part no. RHD-8P3971035R

Audi A3 8P Door Wiring Loom Cable Harness Front Passenger's Side 8P3971035R

£18.95

Free delivery: Feb 10

If paid before 14:00

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BMW X1 F48 LCI F39 F45 Mini F60 Adapter Lead EPS 8801727

Part no. 8801727

BMW X1 F48 LCI F39 F45 Mini F60 Adapter Lead EPS 8801727

£47.95

Free delivery: Feb 10

If paid before 14:00

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BMW M3 E46 Audio Sound Amplifier Professional Control Module Unit 6964400

Part no. 6964400

BMW M3 E46 Audio Sound Amplifier Professional Control Module Unit 6964400

£142.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W211 CD Player Radio Audio Head Control Unit Module A2118701289

Part no. A2118701289

Mercedes W211 CD Player Radio Audio Head Control Unit Module A2118701289

£47.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes Vito W639 Control Unit Set Taxi Rear Wheel Steering Intercom Module

Part no. W639 Taxi Modules

Mercedes Vito W639 Control Unit Set Taxi Rear Wheel Steering Intercom Module

£284.95

Free delivery: Feb 11 – 18

If paid before 14:00

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BMW 5 7 Series F01 F02 F10 LCI Wiring Harness Engine Gearbox Module Set 7823770

Part no. rhd-7823770

BMW 5 7 Series F01 F02 F10 LCI Wiring Harness Engine Gearbox Module Set 7823770

£161.95

Free delivery: Feb 10

If paid before 14:00

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BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557

Part no. 3428557

BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557

£61.95

Free delivery: Feb 10

If paid before 14:00

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Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 6803169

Part no. 6803169

Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 6803169

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C

Part no. 8T0959760C

Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C

£51.95

Free delivery: Feb 10

If paid before 14:00

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Door Wiring Mercedes W177 W247 Driver Side Cable Harness Loom A1775406501

Part no. A1775406501

Door Wiring Mercedes W177 W247 Driver Side Cable Harness Loom A1775406501

£18.95

Free delivery: Feb 10

If paid before 14:00

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Audi S4 B8 GPS Navigator CD Player 8T0919888

Part no. 8T0919888A

Audi S4 B8 GPS Navigator CD Player 8T0919888

£142.95

Free delivery: Feb 10

If paid before 14:00

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Mini Cooper R55 R56 N12 120HP Engine Control Unit ECU DME 7589971 Automatic

Part no. 7589971-15

Mini Cooper R55 R56 N12 120HP Engine Control Unit ECU DME 7589971 Automatic

£56.95

Free delivery: Feb 10

If paid before 14:00

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BMW U06 Active Tourer Rear Tailgate Trunk Module Contol Unit 5B529E5

Part no. 5B529E5

BMW U06 Active Tourer Rear Tailgate Trunk Module Contol Unit 5B529E5

£94.95

Free delivery: Feb 10

If paid before 14:00

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Audi A6 C6 A8 D3 Q7 4L Front Windscreen Rain Light Solar Sensor Unit 4E0955559F

Part no. 4E0955559F

Audi A6 C6 A8 D3 Q7 4L Front Windscreen Rain Light Solar Sensor Unit 4E0955559F

£66.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W205 SAM Module Fuse Box Relay Control Unit A2059008204

Part no. A2059008204

Mercedes W205 SAM Module Fuse Box Relay Control Unit A2059008204

£75.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W204 OM642 Wiring Harness Fuse Box Alternator Starter Cable A2044403213

Part no. rhd-A2044403213

Mercedes W204 OM642 Wiring Harness Fuse Box Alternator Starter Cable A2044403213

£47.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual

Part no. A2709002100-9

Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual

£94.95

Free delivery: Feb 11 – 18

If paid before 14:00

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Harness Door Mini R57 LCI R58 R59 Cable Loom Front Passenger Side Wiring 3456498

Part no. 3456498

Harness Door Mini R57 LCI R58 R59 Cable Loom Front Passenger Side Wiring 3456498

£23.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W177 A35 AMG M260 306HP Engine Control ECU Kit A2609000900 Automatic

Part no. A2609000900-1

Mercedes W177 A35 AMG M260 306HP Engine Control ECU Kit A2609000900 Automatic

£474.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W246 Wiring Loom Cable Rear Cigar Lighter A2465408113

Part no. A2465408113

Mercedes W246 Wiring Loom Cable Rear Cigar Lighter A2465408113

£18.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702

Part no. A1179001702

Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702

£108.95

Free delivery: Feb 10

If paid before 14:00

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Door Wiring Mercedes X253 Front Left N/S Door Harness Loom A2535402510

Part no. rhd-A2535402510

Door Wiring Mercedes X253 Front Left N/S Door Harness Loom A2535402510

£66.95

Free delivery: Feb 10

If paid before 14:00

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Ford Transit Custom Mk8 Power Steering Rack Wiring Loom Harness KK2T-3F720-BF

Part no. KK2T3F720BF

Ford Transit Custom Mk8 Power Steering Rack Wiring Loom Harness KK2T-3F720-BF

£32.95

Free delivery: Feb 10

If paid before 14:00

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Audi S5 8T 4.2 FSI CAUA Quattro 354HP Engine ECU Kit 8T0907560AC Ignition + Key

Part no. 8T0907560AC

Audi S5 8T 4.2 FSI CAUA Quattro 354HP Engine ECU Kit 8T0907560AC Ignition + Key

£474.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W213 SAM Fuse Box Comfort Control Module Unit ECU A2139003008

Part no. A2139003008

Mercedes W213 SAM Fuse Box Comfort Control Module Unit ECU A2139003008

£32.95

Free delivery: Feb 10

If paid before 14:00

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Audi S3 8Y 2.0 TFSI DNFF 333HP Quattro Engine Control Unit ECU 06K907425AA

Part no. 06K907425AA-1

Audi S3 8Y 2.0 TFSI DNFF 333HP Quattro Engine Control Unit ECU 06K907425AA

£569.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W213 Interior Part Relay Fuse A2055451800

Part no. A2055451800

Mercedes W213 Interior Part Relay Fuse A2055451800

£13.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes Vito W447 Battery Cable Starter Alternator Wiring Harness A4475402105

Part no. A4475402105

Mercedes Vito W447 Battery Cable Starter Alternator Wiring Harness A4475402105

£32.95

Free delivery: Feb 10

If paid before 14:00

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Junction Box BMW F10 PL6 JBBFE III V1 Body Control Module 9353416

Part no. 9353416

Junction Box BMW F10 PL6 JBBFE III V1 Body Control Module 9353416

£94.95

Free delivery: Feb 10

If paid before 14:00

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BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424

Part no. 9234424

BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424

£13.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W176 W246 A180 B180 BE 270.910 122HP Engine ECU A2709002100 Automatic

Part no. A2709002100-16

Mercedes W176 W246 A180 B180 BE 270.910 122HP Engine ECU A2709002100 Automatic

£123.95

Free delivery: Feb 10

If paid before 14:00

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Ford Transit Mk7 Engine Bay Fuse Box Loom Harness Cables RWD 6C1T-9K499-AFD

Part no. 6C1T-9K499-AFD

Ford Transit Mk7 Engine Bay Fuse Box Loom Harness Cables RWD 6C1T-9K499-AFD

£56.95

Free delivery: Feb 10

If paid before 14:00

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BMW E90 E91 E93 325i N53 218HP Engine Control Unit Module DME Kit 7576721 Manual

Part no. 7576721-2

BMW E90 E91 E93 325i N53 218HP Engine Control Unit Module DME Kit 7576721 Manual

£379.95

Free delivery: Feb 10

If paid before 14:00

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BMW X1 F48 Door Wiring Loom Harness Cable Rear Left Right N/O/S 6812252

Part no. 6812252

BMW X1 F48 Door Wiring Loom Harness Cable Rear Left Right N/O/S 6812252

£37.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes W221 Door Wiring Front Right O/S Harness Loom Cable A2215403108

Part no. A2215403108

Mercedes W221 Door Wiring Front Right O/S Harness Loom Cable A2215403108

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi Q7 4M 3.0 TDI Fuel Pump Control Unit Module ECU 4M0906093L

Part no. 4M0906093L

Audi Q7 4M 3.0 TDI Fuel Pump Control Unit Module ECU 4M0906093L

£37.95

Free delivery: Feb 10

If paid before 14:00

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BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033

Part no. 9342033-1

BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033

£37.95

Free delivery: Feb 10

If paid before 14:00

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Porsche Macan 95B Engine Sound Generator Actuator Module Control Unit 95B907159T

Part no. 95B907159T

Porsche Macan 95B Engine Sound Generator Actuator Module Control Unit 95B907159T

£142.95

Free delivery: Feb 11 – 18

If paid before 14:00

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Fuse Relay Mercedes C117 W166 W176 W205 X253 Black 4 Pin 12V A0009828023

Part no. A0009828023

Fuse Relay Mercedes C117 W166 W176 W205 X253 Black 4 Pin 12V A0009828023

£13.95

Free delivery: Feb 10

If paid before 14:00

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Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459

Part no. 4F0915459

Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459

£13.95

Free delivery: Feb 10

If paid before 14:00

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Display Head Up BMW G20 G21 Dashboard Car System HUD Screen Projector 9442013

Part no. rhd-9442013

Display Head Up BMW G20 G21 Dashboard Car System HUD Screen Projector 9442013

£85.95

Free delivery: Feb 10

If paid before 14:00

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BMW M3 E46 Amplifier Hifi Harman Kardon Audio Sound Control Module Unit 6946985

Part no. 6946985

BMW M3 E46 Amplifier Hifi Harman Kardon Audio Sound Control Module Unit 6946985

£132.95

Free delivery: Feb 10

If paid before 14:00

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Ford Fiesta Mk7 Battery Box Tray Housing Holder Bracket 8V21-10718-AD

Part no. 8V21-10718-AD

Ford Fiesta Mk7 Battery Box Tray Housing Holder Bracket 8V21-10718-AD

£13.95

Free delivery: Feb 10

If paid before 14:00

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Mercedes CL S Class C215 W220 Fuse Box Unit Front Left ECU A2205401224

Part no. A2205401224

Mercedes CL S Class C215 W220 Fuse Box Unit Front Left ECU A2205401224

£13.95

Free delivery: Feb 10

If paid before 14:00

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BMW E81 E82 E87 LCI E88 123d 204HP N47S ECU Kit DDE 8507245 CAS3 Key Automatic

Part no. 8507245-3

BMW E81 E82 E87 LCI E88 123d 204HP N47S ECU Kit DDE 8507245 CAS3 Key Automatic

£142.95

Free delivery: Feb 10

If paid before 14:00

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BMW Z4 E86 Hifi Audio Sound AMP Amplifier Module 9118611

Part no. 9118611

BMW Z4 E86 Hifi Audio Sound AMP Amplifier Module 9118611

£474.95

Free delivery: Feb 11 – 18

If paid before 14:00

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Amplifier Bracket Mercedes C118 W177 W247 Audio Unit Holder Mount A2475450601

Part no. A2475450601

Amplifier Bracket Mercedes C118 W177 W247 Audio Unit Holder Mount A2475450601

£18.95

Free delivery: Feb 10

If paid before 14:00

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BMW F10 F11 530d N57 245HP Engine Control Unit ECU Kit DDE 8513161 CAS4 + Key

Part no. 8513161-2

BMW F10 F11 530d N57 245HP Engine Control Unit ECU Kit DDE 8513161 CAS4 + Key

£189.95

Free delivery: Feb 10

If paid before 14:00

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BMW F20 120d F30 LCI 320d B47 190HP Engine Unit ECU Kit DDE 8589145 Key + FEM

Part no. 8589145-12

BMW F20 120d F30 LCI 320d B47 190HP Engine Unit ECU Kit DDE 8589145 Key + FEM

Product currently unavailable

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Audi RS3 8V Front Passenger Door Wiring Harness Loom Cable Left N/S 8V4971030AE

Part no. 8V4971030AE

Audi RS3 8V Front Passenger Door Wiring Harness Loom Cable Left N/S 8V4971030AE

£13.95

Free delivery: Feb 10

If paid before 14:00

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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Key

Part no. 8507136-2

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Key

£379.95

Free delivery: Feb 10

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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