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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COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616
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Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192H
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SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049005201
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BMW E31 E32 E34 E34 E39 Petrol Engine Starter Motor 1729982
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Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508
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Opel Vivaro B 1.6 CDTI Alternator Generator 150A 95519888
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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BMW E46 Petrol Engine Starter Motor 1,4kW 7505979
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BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L
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Audi A3 8P Side Air Module Control Unit ECU 8P0959655N
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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BMW 1 Series E87 1 ECU Body Control Module Junction Box H2 PL2 JBBFE II 9160189
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BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
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Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417
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Starter Mercedes Sprinter W906 Diesel Engine Starter Motor Valeo A0061517401
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BMW G20 Reverse Rear View Camera 5A63731
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Mercedes-Benz C CLK W202 W208 Left N/S Parking System Warning Display Screen
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GM Vauxhall Opel Relay 4-Pin Glow Plug Unit Black Tyco 90464760
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BMW 3 5 7 Series E36 E38 E39 Key Transmitter Receiver Module Unit 8379502
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Mercedes W168 OM668 Diesel Alternator Generator A6681540102
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BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
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Ford Focus MK2 Mondeo MK4 1.8 TDCI Glow Plug Wiring Loom Cable Wire 4M5Q6M091AB
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BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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Audi A3 8V Fuse Box Control Module Relay Box 5Q0907361C
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Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
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BMW F10 Sound Audio Amplifier Control Unit Module 9320144
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Peugeot 207 1.6 HDI Alternator Supporting Bracket Mount Diesel 9657477580
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Mercedes CLS W219 Door Module Front Left N/S Control Unit Module A2198202326
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Mini R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Automatic
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BMW MINI Cooper R50 R53 JCW Cable Harness Door Right O/S Door Loom Driver Side
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual 7T11-12A650-HE
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BMW E39 525d 530d E53 3.0d M57 Basic DDE Control Unit DDE 7790220 Automatic
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
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Peugeot 307 Citroen Berlingo C4 Glow Plug Wiring Loom Cable Wire 9657700780
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Audi A5 F5 45 TFSI QUATTRO Starter Motor Engine Denso 06H911024C
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BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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BMW E39 E46 E53 Radio BMW Professional TMC 65128385897 8385897
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V Diesel Engine Unit 03G903016N
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Audi Q2 GA Volkswagen T Roc Battery Terminal Positive Cable 5Q0971228AC
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Volkswagen Polo 6R 1.2 MPI CGPB 60HP Engine Control ECU 03E906023AL Manual
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Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606
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Peugeot 3008 Yaw Sensor ESP Rotation Rate Acceleration Control Unit 9664661580
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459G
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME 7612190 CAS3 + Key Manual
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BMW Mini Cooper One R56 Cover Multifunction Box Right O/S 2752524
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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Audi A4 B7 A6 C6 Alternator Generator 1.9 TDI Diesel 06F903023HX
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Mercedes GLE C292 ML W166 Door Control Module Rear Left N/S A1669006307
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BMW Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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Mercedes W906 311CDI OM646.985 109HP Engine Unit Module ECU A6461506378 Manual
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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
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Audi Q7 4L 4.2 TDI Quattro Engine Starter Motor Actuator 057911023E
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Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D
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Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
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Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634
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BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
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Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875
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Mercedes W164 W204 W211 C216 C219 M273 Starter Motor Assembly A0061513701
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
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Air Module Mercedes W210 SRS Control Unit ECU Control Module A0028203226
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Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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Mercedes-Benz A-Class W168 Rear Bumper Parking Sensor Wiring Loom Cable Harness
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BMW F10 CAS 4 Car Access System Control Module Unit ECU CAS4 CG+ELV 9282119
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BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + 2 Keys Automatic
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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 .