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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Land Rover Range Sport L320 Diesel Engine Alternator Generator AH22-10300-AB
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Mercedes-Benz M-Class ML W164 PDC Parktronic Distance Sensor Plug Cable
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BMW E34 E36 E46 316i 318i 518i Ignition Coil Control Unit Module 1247281
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Renault Traifc Vauxhall Vivaro Alternator Bracket Mount Holder 117109477R
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Mini Cooper S F55 F56 B48C 192HP Petrol Engine ECU Kit 9897880 BDC + Key
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Volkswagen Passat B7 PDC sensor Wiring Loom Harness Cable Rear Bumper 3AF971104L
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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BMW F10 PDC Rear View Backup Camera Control Module Unit ECU 9288002
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V Diesel Engine Unit 03G903016N
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MINI Cooper One R50 R52 Petrol W10 Alternator Generator 110A 7550997 7550319
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Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098202689
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Fuse Box Mini Cooper R57 Cabrio High SPEG PL3 DC/DC H4 Distribution 3457579
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Ford Transit Connect Battery Cable Engine Wiring Harness Loom KV6T-14B060-AAF
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Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
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Mercedes W213 OM656 Diesel Engine Wiring Guide Cable Duct A6561593100
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Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082
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Mercedes-Benz M ML W163 Battery Positive Cable Wiring Connector A1635400269
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Battery Cable Ford S-Max Negative Lead Wiring Harness Cable AG9T-14324-UC
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Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502
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Audi A1 8X 1.4 TFSI CAXA Alternator Wiring Harness Cable Loom 6R0971349BK
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Audi A1 8X Driver Side Door Module Front Control Unit Module ECU 8X0959793D
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BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271
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Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E
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Halfords Essentials 12V Lead Acid Car Accumulator Battery 56Ah 480A HB027
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Audi A3 8V 1.4 TFSI Petrol Starter Motor Engine Actuator Unit 0AM911023N
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Mercedes W205 C238 X253 W213 Inner Firewall Contact Support A2055457540
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Head Unit Mini F56 BMW F21 LCI Radio Media Player Basic Navigation 2 ECE 9875932
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key
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Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key
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Mercedes W212 Suspension Module Adjustment Control Unit Controller A2479007312
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Audi A6 C6 Aerial Antenna Amplifier Right O/S FM Booster Unit 4F5035225AJ
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Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
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Ford Focus Diesel Engine Alternator Generator Engine Unit 8V21-10300-AB
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Mercedes W176 A180 CDI OM607.951 109HP Engine Unit ECU A6079002200
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Starter Motor Volkswagen VW Golf IV Bora Sharan Diesel Engine 02M911023A
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Audi A5 8T 3.0 TDI CLAB Diesel Engine Starter Motor 059911021K
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BMW 1 Series F20 REM Rear Electronic Module Fuse Box Control Unit V4 9866981
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Battery Cable BMW E36 E46 M43 M57 Starter Alternator Wiring Harness 1722094
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Mercedes W213 W222 A238 M276 Starter Screening Plate Shield A2761509875
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BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6918780
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BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 6317177
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Mini One R56 LCI R58 N16 1.6 98HP Engine ECU Kit DME 8625068 CAS 3 + Key Manual
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Ford Transit Connect Glow Plug Wiring Loom Cable Wire 1.5 TDCi Diesel 2191045
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Mercedes Sprinter W907 311 CDI 651.958 114HP Engine Control Unit ECU A6519007103
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BMW Z4 Series E89 Front Bumper PDC Loom Cables Wiring Set 9225771
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Battery Cover Citroen Berlingo Peugeot Partner Tray Holder Housing 9663615380
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BMW 5 6 Series E60 E61 E63 E64 TV Video Module Control Unit 4136192
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Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F
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Volkswagen Golf Sportsvan Door Harness Rear Left N/S Door Wiring Loom 510971693J
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BMW F20 F21 Radio Aerial Antenna Amplifier AM/FM Control Unit Module 9226880
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BMW F01 Front Seat Control Unit Module ECU Left Temic 9221462
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BMW 3 5 7 Series E30 E34 E36 E38 E46 Petrol Engine Starter Motor 2354709
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BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573
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Mini Cooper R57 R58 LCI Radio Aerial Antenna Amplifier FM 9176193
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519003203 Manual
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Chrysler Grand Voyager Alternator Mounting Bracket Carrier LRA02830
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Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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Cassette Player Citroen Berlingo Peugeot 206 Audio Head Unit 964544367700
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CD Changer Mercedes ML W163 6 Disc Changer With Magazine A1638201589
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Range Rover L320 Sport Rear Fuel Pump Control Unit Bracket Holder 9X2Q9A361CA
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Mercedes ML W163 Engine Starter Motor A0051512901
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Mercedes W213 C238 Petrol Alternator Generator A0009060205
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Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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BMW Mini Cooper F56 B38 1.5 136HP Petrol Engine ECU Kit DME 8699949 BDC + 2 Keys
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
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VW Touareg 7P Steering Wheel Multifunction Control Unit Module 7P6959542
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Seat Ibiza KJ1 VW Polo MK6 Front Camera Lane Assist Control Unit 2Q0980653H
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Mini Cooper S R55 R56 Ignition Wiring Harness Injection Valve N14 7585950
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BMW F87 M2 N55 Engine Wiring Loom Harness Injection Valve Ignition 8073593
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Volkswagen Golf Mk5 Rain Sensor Front Windscreen Control Unit Module 1K0955559AB
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BMW 3 5 6 Series E60 E63 E90 E92 Crossover Frequency Unit Module Door 7838929
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Vauxhall Opel Astra G Display Screen Multifunction Unit Dashboard 009133265
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Audi Q2 GA Front Parking Sensor Assist Control Module Arrow Grey Z7W 5Q0919275B
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BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
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Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
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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 .