Automotive electrical systems
More informationAt 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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Part no. 6799083
Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6799083
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Audi A4 B8 Dashboard Reader Navi MMI DVD CD Player Head Unit 8R2035678D
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Rear Diff Module Seat Leon Cupra 5F VW Golf Mk7 4motion Control Unit 0CQ907554E
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BMW E93 Footwell ECU Light Control Unit Module FRM II PL2 Lear 9153780
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Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
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Audi RS6 C7 CAN BUS Gateway Control Module Unit ECU 4G0907468AD
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Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
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Mercedes W168 W202 W210 CD Player Audio 10 Stereo Radio Unit A1708200386
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BMW F20 F21 Socket Plug Wiring Loom Cable 9216286
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BMW E91 ECU Body Control Module Unit KL PL2RR JBBFE IIIR 9364821
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CD Player BMW F20 F21 F30 F32 Mini F55 F56 Radio DAB Bluetooth Head Unit 8792152
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BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8644504
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BMW Z4 E89 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9263801
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SAAB 9-3 Fuse Box Relay Control Unit Module 12767115
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BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7823799 CAS3 + Key
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BMW F70 G30 U06 Comfort Access Antenna Keyless Entry Aerial Module 5A1D0B2
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VW Volkswagen Golf Mk7 VII Radio Control Head Unit CD Player 5G0919605D
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PDC Wiring Mercedes CL203 Front Bumper Parking Sensor Loom Cable A2034404432
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BMW F20 F21 114i N13 102HP Petrol Engine ECU Control Unit DME 8625241 Manual
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Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
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BMW G20 G26 Wireless Charger Centre Console Phone Charging Module Unit 5A82C19
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VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284C
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BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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Iveco Eurocargo 75E15 Immobilizer Control Module Unit ECU 41221184
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BMW 3 Series E90 E91 E92 325i N52N 218HP ECU Kit DME CAS3 Key 7567362 Manual
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CD Radio Mercedes Vito W639 Sprinter W906 Audio Stereo Head Unit A9068200286
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BMW X5 F15 Hybrid Electric 26Ah High Voltage Battery Accumulator Storage 8682676
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BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6824381
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Audi A8L 4H Antenna Aerial Amplifier 4H0035225N
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
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Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
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Mercedes S212 Roof Antenna Estate Shark Trim Obsidian Black - 197 A2128270028
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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BMW E92 LCI N43B20A 2.0 170HP Engine Control Unit DME ECU 7640015 Manual
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Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592C
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BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Left N/S 9230554
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Seat Altea 5P1 Media-IN Socket Multimedia Interface Module 5P0035341G
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Mercedes CLS X218 Antenna Amplifier Rear Aerial Control Module A2189058500
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Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Mercedes W220 S350 M112.972 245HP Engine Module ECU A1121535379 Automatic
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Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
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Part no. 8680374
BMW F45 Alternator Generator 8680374
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Seat Altea 5P1 Body Control Comfort Unit Module BCM 1K0937086S
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475L
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BMW E60 LCI 530xd X5 E70 3.0xd M57N2 235HP Engine ECU Kit DDE 8509035 CAS3 + Key
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BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555193
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Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
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Land Rover Freelander 2 Display Screen Multimedia Navigation Sat 6H5210E958
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Mercedes X253 Hybrid GLC Battery Electrical Wiring Harness A2533402600
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Audi A4 B9 A5 F5 Q7 4M Q5 FY VW Volkswagen Touareg Mk3 Starter Motor 057911024
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Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996
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Starter Motor BMW E60 E61 E65 E53 E70 Petrol Engine N62N Starter 7536690
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Mercedes X253 Front Bumper Parking Sensor Wiring Loom Cable Harness A2535402400
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Part no. 93452999
Fuse Box Vauxhall Vivaro B Renault Trafic III Relay Control Unit Module 93452999
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Citroen Berlingo B9 1.6 HDI Diesel Engine Wiring Cable Harness 9673749980
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Part no. 8571357
BMW G11 G12 G20 G21 G30 G31 F33 F36 Generator Alternator 180A Bosch 8571357
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Mercedes X253 Ground Line Battery Earth Cable Wire A0005406904
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Part no. 7619713
Mini R55 R56 R57 R60 Gearbox Module Control ECU Automatic Unit 7619713
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Part no. 919504H071
Hyundai H-1 Fuse Box Module Control Unit ECU 919504H071
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Audi Q7 4M Fuse Box Battery Terminal Cover Housing 4M0941828H
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Part no. 96647952XT
Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT
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Part no. 4898111
Iveco Eurocargo F4AE0481 Engine Module ECU 4898111
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Part no. 3456478
Mini R58 Door Module Harness Wiring Loom Cable Set Driver's Side 3456478
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Audi Q7 4L ECU Air Module Control Unit Crash Impact Sensor 4L0910655B
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Audi Q5 8R 2.0 TDI Alternator Generator 14V 180A Valeo 03L903016A
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BMW F20 F21 F30 F31 F32 Body Comfort Module FEM ECU LR01 Control Unit 9366407
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Land Rover Freelander II Audio Amplifier Control Module 6H52-18C808-BD
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Part no. 6964139-1
Control Unit BMW E65 E66 E67 Door Front Passenger Side 6933263
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BMW F20 Mini F55 F56 F57 Petrol Engine Wiring Loom Harness 8644491
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Relay Mercedes SLK R171 5-Pin Electrical Plug White 12V A0035422019 R1808002
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BMW Z4 E85 3.0i M54 231HP Engine Control Unit Module ECU DME 7541335 Manual
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BMW F20 F21 F30 F31 LCI B38 B48 Alternator Generator Denso 14V 220A 8645329
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Mercedes X218 CLS350 Automatic Trunk Lid Clossing Control Module A2189002002
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Mercedes W168 OM668 Diesel Alternator Generator A6681540102
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Mercedes W164 M113 Petrol Engine Starter Motor A0061510601
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Peugeot 206 2.0 HDI Diesel Engine Starter Motor 9827007180
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Mercedes-Benz W202 W203 W208 W210 Engine Control Unit Module ECU A0305455832
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Mercedes W205 Rear Door Control Module Unit Right O/S ECU A2059002011
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Ford Transit Connect 1.6 TDCI Engine Control ECU Module Manual DV6112A650CEC
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Part no. 9264976
BMW X5 E70 Seat Control Unit Module Front Left ECU 9264976
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Mini Cooper D R60 ALL4 N47N Diesel Engine Control Unit ECU DDE 8506666 Manual
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Peugeot 206 2.0HDI 90HP DW10TD Engine Control Unit ECU 9664843780 Manual
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Fan Wiring Mercedes W639 W906 Heater Blower Unit Motor Cable Harness A0005405624
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BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155
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VW Volkswagen Golf 6 Seat Altea 5P1 Gateway Control Unit Module ECU 7N0907530R
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Part no. 1638095180
Peugeot 206 Engine Alternator Generator 1638095180
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Engine Wiring BMW F10 F21 F30 LCI F36 N20 Loom Module Harness Cable 8605454
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Part no. A1685401130
Mercedes-Benz A W168 CDI Battery Terminal Positive Cable Wiring A1685401130
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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.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- 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:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, 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
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- 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
| Question | Answer |
|---|---|
| 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 .