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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VW Transporter T5 Engine Cooling Radiator Fan Control Unit Module 7H0919506D
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CD Player BMW E60 E61 M-ASK M Audio System Controller Navigation Radio 6955347
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BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Jaguar XF250 3.0 306DT AJV6D Engine Alternator Generator 8X2310300CB
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04868860AA
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Peugeot Expert Citroen Berlingo Diesel Engine Alternator Generator 5705AS
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CD Changer Audi S6 C6 A8 D3 6-Disc Magazine Head Unit MMI 4E0910110A
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Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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Mercedes-Benz C CLK Class W203 C209 Vacuum Solenoid Valve A2038000178
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Peugeot 508 5008 2.0 HDI Galaxy MK3 2.0 TDCI Alternator Bracket Mount 9688628680
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Vauxhall Opel Astra G Engine Control Unit ECU Module Petrol Automatic 09391340
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Audi A6 4F C6 3.0 TDI Diesel Starter Motor Bosch 0001109319 059911024D
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BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
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Audi Q2 GA Q3 F3 Rear Boot Trunk Lid Tailgate Control Unit Module 5Q0959107AB
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Audi A1 8X 1.4 TSI Engine Wiring Loom Harnes 03C971612BR
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Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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Mercedes S205 Estate W213 W222 Towing Hitch Trailer Hook Module Unit A2139009216
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VW Volkswagen Caddy Maxi Interior SRS Air Module Unit Control Sensor 2H0959655B
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Mercedes SLC R172 Parktronic Parking Sensor Module Unit ECU A1729003106
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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Ford Mondeo MK4 Negative Battery Terminal Cable Wiring Connecting 6G9T14301BK
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Seat Heating Sensor Mercedes W209 W211 W220 Left N/S Control Unit A2208203226
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Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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Engine Wiring Harness Mercedes W204 M271.820 Petrol Loom Cable A2711508833
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BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic
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Audi Q2 GA NAV Multimedia Navigation Display Screen MMI 8,25" 81A919605B
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BMW 5 Series E61 E61N LCI Holder Bracket Additional Battery 6922528
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BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229
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Starter Mercedes W204 C238 W213 W447 Diesel OM654 Starter Motor A6549061500
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Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
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Mercedes W205 Rear Fuse Box Relay Power Distribution Module Unit A2055408195
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Mini Cooper S F55 F56 Petrol B46C B48C Engine Wiring Cable Loom Harness 8678958
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BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261
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BMW E38 Headlight Light Check Module Control Unit ECU Lear LCM II 8372875
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Mercedes W212 Engine Wiring Harness Cable Loom A6511500186
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Peugeot 206 1.6 NFU TU5JP4 109HP Engine Control Unit ECU 9643218980 Manual
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Audi Q7 4M Positive Battery Terminal Distribution Box 4M0941823E
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Seat Ibiza 6J Cupra Sound Control Module ECU Unit 6P0907159
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Audi A3 S3 8Y PDC Parking Distance Sensor 5WA919275C Kyalami Green - Z6A
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VW Volkswagen Phaeton Mk1 Mulitmedia Audio Sound System Amplifier Unit 3D0035465
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Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902
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VW Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655A
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Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A
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Mini One R56 N12 1.4 95HP Engine ECU DME Kit CAS3 + Key 7600020 Manual
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Renault Master II Trafic II 2.5 dCi Diesel Engine Starter Motor Valeo 8200634602
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BMW F20 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8518424 + FEM + Key Manual
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BMW F30 320iX xDrive 184HP N20 Engine Control Unit ECU DME 8606306 Manual
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Mercedes-Benz S-Class W221 Trunk Closing Hydraulic Pump Cover Cap A2218000235
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Audi TT 8N Alternator Main Cable Wiring Harness Loom 8J0971349CF
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Audi A4 B9 Rear Right O/S Door Wiring Loom Harness 8W0971687BR
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Distribution Box BMW X3 G01 X4 G02 Power Junction Point B+ Control Rear 6841701
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Volkswagen Golf Mk7 Audi A3 8V Alternator 14V 140A 1.5 TSI 05E903026B
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Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049003609
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BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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BMW 3 5 7 X5 E38 E39 E46 E53 6-disc CD Changer Without Magazine 8377049
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Mini Cooper S F55 F56 F57 F60 Valvetronic Wiring Cable Loom Harness 8678960
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Mercedes W204 W207 W212 W221 Starter Motor A6429060900
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Antenna Wiring Mercedes W211 Rear End Antenna Wiring Harnes A2114409906
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BMW AGM Exide Car Battery 12V 60Ah 660A 7604799
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BMW E60 E61 525i Petrol N52 218HP ECU Engine Kit DME 7555361 CAS2 + Key Manual
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Mercedes W213 Engine Wiring Harness Cable Loom A2741501802
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8589141 CAS4 + Key Manual
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BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076
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Mercedes X253 Electrical Wiring Harness Cable Hybrid A2135400329
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Mercedes C118 W177 W243 W247 Centre Console Dual USB-C Socket Ports A2478207502
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Porsche Macan 95B Front Door Window Lifter Regulator Right O/S 95B837462B
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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 .