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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VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K

Part no. 02Z911024K

VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K

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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331

Part no. 9226331-1

BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331

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Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202

Part no. A1665405202

Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202

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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323

Part no. 9239323

BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323

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Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A

Part no. 076911023A

Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A

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Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM

Part no. 1T0971693BM

Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM

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Volkswagen VW Jetta Mk6 Interface Module Multimedia Control 5N0035729

Part no. 5N0035729

Volkswagen VW Jetta Mk6 Interface Module Multimedia Control 5N0035729

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BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key

Part no. 7519308-3

BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key

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BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073

Part no. 7355073

BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073

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Renault Trafic II Airbag Module Control Unit ECU Car Safety Sensor 8200969856

Part no. 8200969856

Renault Trafic II Airbag Module Control Unit ECU Car Safety Sensor 8200969856

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Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit

Part no. ROAD-TOP-DECODER

Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit

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Ford Mondeo MK4 Negative Battery Terminal Cable Wiring Connecting 6G9T14301BK

Part no. 6G9T14301BK

Ford Mondeo MK4 Negative Battery Terminal Cable Wiring Connecting 6G9T14301BK

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Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311

Part no. A2038201311

Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311

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Audi A5 8T Headlight Inner LED Inner Module Unit 6NHM0000 130831041000

Part no. 130831041000

Audi A5 8T Headlight Inner LED Inner Module Unit 6NHM0000 130831041000

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MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970

Part no. 7806779

MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970

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Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84

Part no. 281006430084

Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84

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Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME 7640005 + CAS3 + Keys Manual

Part no. 7640005-8

Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME 7640005 + CAS3 + Keys Manual

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BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973

Part no. 9287433

BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973

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BMW X5 X6 E70 E71 Control Unit Module Top Rear Side View Camera 9220695

Part no. 9220695

BMW X5 X6 E70 E71 Control Unit Module Top Rear Side View Camera 9220695

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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809

Part no. 3453809

BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809

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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K

Part no. 04C903023K

Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K

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Renault Trafic II Opel Vivaro B 2.0 DCI Diesel Engine Starter Motor 8200621305A

Part no. 8200621305A

Renault Trafic II Opel Vivaro B 2.0 DCI Diesel Engine Starter Motor 8200621305A

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Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880

Part no. A4475407880

Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880

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BMW E61 Body Control Module Unit ECU BCM KBM High 6957529

Part no. 6957529

BMW E61 Body Control Module Unit ECU BCM KBM High 6957529

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Opel Zafira Insignia 2.0 A20dth Cdti Glow Plug Wiring Loom Harness 55567591

Part no. 55567591

Opel Zafira Insignia 2.0 A20dth Cdti Glow Plug Wiring Loom Harness 55567591

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Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H

Part no. 5Q0915181H

Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H

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VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B

Part no. 5G6919605B

VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B

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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual

Part no. 7640005-4

Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual

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SAM Module Mercedes CLK W209 C209 A209 Fuse Box Relay Control Unit A2095452801

Part no. A2095452801

SAM Module Mercedes CLK W209 C209 A209 Fuse Box Relay Control Unit A2095452801

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Mercedes R171 SLK200 Module Front Door Left Control Module Unit A1718200726

Part no. A1718200726

Mercedes R171 SLK200 Module Front Door Left Control Module Unit A1718200726

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Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243

Part no. 80A962243

Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243

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Mercedes-Benz B W245 Front Bumper Parking Distance Sensor Parktronic Primed

Part no. A1695420518

Mercedes-Benz B W245 Front Bumper Parking Distance Sensor Parktronic Primed

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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835

Part no. 6879835

Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835

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PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89

Part no. 9233036

PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89

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Audi A4 B9 Battery Positive Terminal Cable Plus Pole Wiring Harness 8W0915459E

Part no. 8W0915459E

Audi A4 B9 Battery Positive Terminal Cable Plus Pole Wiring Harness 8W0915459E

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Ford Transit Mk7 Radio CD Player Head Unit Autoradio 6000 CD 8C1T-18C815-AA

Part no. 8C1T18C815AA

Ford Transit Mk7 Radio CD Player Head Unit Autoradio 6000 CD 8C1T-18C815-AA

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Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409

Part no. A2139008409-1

Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409

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Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616

Part no. A0009006616

Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616

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Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326

Part no. A1698208326

Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326

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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889

Part no. A2118702889

Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889

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BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511

Part no. 7592511

BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511

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Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357

Part no. 7603567-1

Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357

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Starter Renault Trafic II Opel Vivaro A 2.0 dCi Starter Motor Remy 233002654R

Part no. 233002654R

Starter Renault Trafic II Opel Vivaro A 2.0 dCi Starter Motor Remy 233002654R

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Audi Q7 4L Headlight Level Range Adjustment Module Control Unit 4L0907357

Part no. 4L0907357

Audi Q7 4L Headlight Level Range Adjustment Module Control Unit 4L0907357

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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326

Part no. A2139003326

SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326

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BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130

Part no. 2354130

BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130

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BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493

Part no. 9119493

BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493

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BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622

Part no. 6978271

BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622

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BMW F11 Control Unit Rear Tailgate Boot Lid Function Module ECU 7333939

Part no. 7333939

BMW F11 Control Unit Rear Tailgate Boot Lid Function Module ECU 7333939

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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A0045420418

Part no. A0045420418

Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A0045420418

Product currently unavailable

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Ford Transit MK7 Body Control Unit Module BCM Fuse Box CC1T14A073BD

Part no. CC1T14A073BD

Ford Transit MK7 Body Control Unit Module BCM Fuse Box CC1T14A073BD

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Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888

Part no. 6962888

Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888

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BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931

Part no. 9231931

BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931

Product currently unavailable

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BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454

Part no. 8382454

BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454

Product currently unavailable

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Peugeot 5008 2.0 HDI Diesel Injector Wiring Loom Cable 968824678

Part no. 968824678

Peugeot 5008 2.0 HDI Diesel Injector Wiring Loom Cable 968824678

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BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723

Part no. 6962723

BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723

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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302

Part no. A0009062302

Starter Motor Mercedes W639 W906 Diesel Engine A0009062302

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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400

Part no. A6399005400-2

Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400

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CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903

Part no. 9187903-2

CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903

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Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T

Part no. 1T0880201T

Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T

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BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242

Part no. 7633242-1

BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242

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Renault Master Laguna 2 Opel Movano A Engine Alternator 14V 150A 8200660022

Part no. 8200660022

Renault Master Laguna 2 Opel Movano A Engine Alternator 14V 150A 8200660022

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Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B

Part no. 23127JG71B

Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B

Product currently unavailable

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BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036

Part no. 9146036

BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036

Product currently unavailable

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Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440

Part no. A2055455440

Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440

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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908

Part no. A2129003908

Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908

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Renault Trafic II Alternator Generator 120A SG12B050 8200690199

Part no. 8200690199

Renault Trafic II Alternator Generator 120A SG12B050 8200690199

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Audi A4 B8 Door Wiring Harness Loom Rear Right O/S Cabling 8K0971688AG

Part no. 8K0971688AG

Audi A4 B8 Door Wiring Harness Loom Rear Right O/S Cabling 8K0971688AG

Product currently unavailable

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Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N

Part no. 8K0959792N

Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N

Product currently unavailable

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BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic

Part no. 7616431-2

BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic

Product currently unavailable

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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828

Part no. 6963828

BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828

Product currently unavailable

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Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019  + EWS 3 + Key Automatic

Part no. 7520019-8

Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Automatic

Product currently unavailable

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BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446

Part no. 7849446

BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446

Product currently unavailable

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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585

Part no. 8200798585

Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585

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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900

Part no. A6511502900

Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900

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BMW G20 Radio Audio Amplifier Remote Receiver Control Module Unit 5A4CE55

Part no. 5A4CE55

BMW G20 Radio Audio Amplifier Remote Receiver Control Module Unit 5A4CE55

Product currently unavailable

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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278

Part no. 9258278

BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278

Product currently unavailable

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VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A

Part no. 03G971826A

VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A

Product currently unavailable

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Land Rover Range Rover Engine L322 3.0d M57 306D1 Unit Module ECU DDE 7791367

Part no. 7791367

Land Rover Range Rover Engine L322 3.0d M57 306D1 Unit Module ECU DDE 7791367

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Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107

Part no. A1775404107-1

Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107

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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260

Part no. 6927260

BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260

Product currently unavailable

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Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405

Part no. 3451405

Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405

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Mercedes W204 Stereo Radio Autoradio CD Player Head Unit A2049003211

Part no. A2049003211

Mercedes W204 Stereo Radio Autoradio CD Player Head Unit A2049003211

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Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202

Part no. A2661541202

Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202

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Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186

Part no. A9075400186

Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186

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BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490

Part no. 9240490-1

BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490

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BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658

Part no. 9389658

BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658

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BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843

Part no. 6983843

BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843

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BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149

Part no. 2180149-1

BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149

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Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL

Part no. 1K0971250AL

Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL

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Audi Universal SD Card Map Pilot Navigation Europe 2016 8X0919884J

Part no. 8X0919884J

Audi Universal SD Card Map Pilot Navigation Europe 2016 8X0919884J

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Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R

Part no. 280380655R

Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R

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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AF

Part no. YC1U-11000-AF

Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AF

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BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987

Part no. 9177987

BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987

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Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600

Part no. A1699001600

Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600

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BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359

Part no. 9119359

BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359

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Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097

Part no. A2118210097

Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097

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Mercedes W221 Power Supply Battery Control Module Unit A2215400401

Part no. A2215400401

Mercedes W221 Power Supply Battery Control Module Unit A2215400401

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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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