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. A6549061500
Starter Mercedes W204 C238 W213 W447 Diesel OM654 Starter Motor A6549061500
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Mercedes W907 Battery Cable Alternator Wiring Loom Harness Cabling A9075404687
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T15K600ED
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Mercedes GLC X253 220d OM651.921 170HP Engine Unit ECU Kit A6519006401 Automatic
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Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
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Fuse Box Mercedes GLC X253 Engine Compartment Relay Box Unit A2229063805
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Land Rover Freelander 2 Fuse Box Body Control Module ECU BCM Unit 6G9T14D572LA
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Land Rover Freelander 2 Radio CD Player Stereo Audio Head Unit 6H5218845AC
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Land Rover Freelander 2 Display Screen Multimedia Navigation Sat 6H5210E958
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Mercedes GLC X253 220d 170HP 651.921 Engine Unit ECU A6519006401 Automatic
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BMW E65 E66 Battery Cable Positive Plus Pole 6904905
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BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic
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Mercedes W906 W907 Cut Off Electric Relay Module Wiring Cable A0025424019
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Mercedes C209 200 Kompressor 271.940 163HP Engine ECU Kit A2711530691 Key Lock
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Part no. A2059000828
Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
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Part no. A2059001028
Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
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Part no. A2059000328
Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
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Seat Control Unit BMW E60 E61 Module ECU 9148257
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. A9079821100
Mercedes W910 Engine Hood Microswitch Cable Wiring Loom Harness A9079821100
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Part no. A9065403527-1
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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Part no. A2469067901-1
Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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Part no. A0009002010
Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
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Part no. 8636068
Engine Wiring BMW F20 120i F30 320i 330i LCI B48 Cable Loom Harness 8636068
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Part no. A2569001200
Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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Mercedes S212 Estate Roof Antenna Cover Shark Cosmos Black Metallic - 303
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Part no. A2709002100-5
Mercedes C117 CLA45 AMG M133.980 4-Matic Engine Control ECU Kit A2709002100 Key
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Part no. 5A44586
BMW F40 Ultrasonic Alarm System Module Control Unit 5A44586
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Part no. A2469003519
Mercedes W176 W246 Radio COMAND Nav CD Player Control Head Unit A2469003519
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Part no. 8507623-2
BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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Part no. 9224950
BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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Part no. A0049820008
Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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Part no. 7558220-1
BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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Part no. 7598076
BMW Z4 E89 2.3i 3.0i N52N Petrol Engine Wiring Loom Harness Cable 7598076
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Part no. 7640132-2
Alternator BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Part no. A1649004400
Sam Module Mercedes ML W164 Rear Relay Box Control SAM Unit A1649004400
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Part no. 6906607
Fuse Box BMW E87 E90 E91 E92 E93 Front Power Distribution Relay Box 6906607
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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Part no. 074145169F
Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
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Part no. 074903025K
Alternator Volkswagen LT35 2.5 TDI Diesel Engine Alternator 90A Bosch 074903025K
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BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780
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Screen Ring Mini F56 F60 Navigation Display Head Unit Trim Cover 9354397
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Mercedes C209 CLK220 CDI 646.966 Engine ECU Kit A6461505091 Keys Lock Automatic
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Part no. 9317173-1
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V 19317173
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Part no. CK3T12B637GAF
Ford Transit MK7 Diesel Engine Wiring Loom Harness Cable CK3T12B637GAF
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Part no. A4479009609
Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609
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Part no. A4479058203
Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
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Part no. A2709002100-3
Mercedes X117 CLA 250 270.920 4-Matic Engine Control Unit Module A2709002100
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Part no. 1422768
Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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Part no. 1429861
BMW E38 728i M52 193HP Engine Control Unit ECU Module DME 1429861 Automatic
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BMW E46 330i M54 231HP Engine Control Unit Module ECU DME 7509942 Manual
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Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
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Part no. A6461502634
Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634
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Part no. 3456760-1
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit 3456760
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Wiring Harness Mercedes W176 A45 AMG Petrol M133 Low Temperature Pump Adapter
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AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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BMW E90 E91 LCI N47N 320d 163HP Engine ECU KIT DDE 8510829 + CAS3 + Key Manual
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Part no. A9075406960
Fuse Box Mercedes Sprinter W907 Prefuse Box Module F150/1 - MFB-1 A9075406960
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Part no. A1679002718
Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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BMW E90 E91 LCI Wiring Cable Harness Gearbox Transmission Module 8507810
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Part no. 7555176
BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555176
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Part no. 8200404459
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Part no. A2059005122
Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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Part no. 1025-03-1
BMW F32 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Part no. A1679001414
Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414
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Part no. A2661531491-4
Mercedes W169 A160 266.920 95HP Engine Control Unit ECU Kit A2661531491 Key Lock
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Part no. a2469004716
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Part no. a4479005517
Mercedes Vito W447 Head Unit Radio DAB Navigation GPS Nav Display A4479005517
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Part no. A6511500186
Mercedes W212 Engine Wiring Harness Cable Loom A6511500186
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Part no. 7809941-9
BMW E60 LCI E90 325d 525d M57N2 197HP Engine ECU Unit DDE 7809941 Automatic
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BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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Part no. 03G906016HJ
Volkswagen Golf 5 2.0 TDI Engine Control Unit ECU Manual 03G906016HJ
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Part no. A2049000902
Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Part no. A2821503400
Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
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Part no. A4479005807
Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479005807
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Part no. A0009007009
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009007009
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Part no. 6828085
PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Mercedes W210 E240 112.911 170HP Engine ECU Kit A0265456532 Automatic Key Lock
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Land Rover Freelander 2 2.2 Diesel DOHC Engine ECU Module 6G9112A650AE Manual
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Mercedes W906 311 CDI 646.985 109HP Engine Unit Module ECU A6461500477 Manual
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Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic
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Part no. 8513414
BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414
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Part no. A2115456532
SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
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Part no. A1725400950
Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950
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Part no. A2195404605
Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605
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Part no. A2195404505
Mercedes C219 Coupe Front Bumper Parking Sensor PDC Wiring Harness A2195404505
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Part no. 7176068-4
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Part no. 8518269-8
BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
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Part no. A2115406445
Mercedes C219 Gearbox Electronic Control Unit Module A2115406445
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Part no. 6879834
Control Unit BMW F20 F21 F22 F30 F31 F32 ICM Module ECU 6879834
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Part no. A2115405645-1
Mercedes W211 Central Gateway Module Control Unit A2115405645
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Part no. A2115456701
Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701
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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 .