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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Camera Module Mercedes C205 W247 GLC X253 W910 Control Unit A0009002740
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Audi A1 8X Fuse Box Control Module Relay Box 6C0907361D
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Audi A3 8L BOSE Sound Amplifier Unit Module Control ECU 8L0035223
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BMW X5 E70 F10 PDC Parking Sensor Distance Control Sensor Black Sapphire - 475
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Volkswagen Golf CD1 Alternator Engine Generator Valeo 05E903018G
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BMW F31 Touring Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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Mercedes CLK S Class C209 W209 W221 Roof Antenna Shark Radio Silver A2218205375
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Volkswagen Golf Mk5 1K GTI 2.0 TFSI BWA 200HP Engine ECU 1K0907115F Manual
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Audi A3 8V Antenna Amplifier Rear Right O/S 8V7035225B
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VW Volkswagen LT 35 Glow Plug Module Relay Control Unit Black 2D0911253
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Mercedes W211 Automatic Gearbox Transmission Module Control Unit ECU A0355454232
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BMW E90 E91 LCI 320d N47N 184HP Engine Control Unit ECU DDE 8519668 Manual
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Ford Transit Mk7 Fuse Box Cover Electrical Unit Housing Trim Cap 6C1T-14A076-BB
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Alternator Generator BMW E60 E63 E65 E83 LCI E90 Diesel 170A LRA02319
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126
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VW Volkswagen Polo 9N 1.4 TDI Alternator Bracket Mount Carrier 045903143E
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BMW E81 E87 LCI E90 E91 118i 318i N43 ECU Kit DME 7593666 + CAS3 + Key Manual
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Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
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Mercedes W202 W210 Front Left Door Control Module A2108207526
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Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232
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BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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BMW E38 Door Windows Control Unit Module ECU ZB PMBT LOW 8377601
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Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801
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Seat Leon 5F Engine Starter Motor 2.0 TDI Diesel 02E911023T
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Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Audi A5 8T Front Door Electric Wiring Loom Harness Driver's Side 8F0971029AM
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110718AB
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BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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Mercedes E CLS Class W211 W219 Bracket Anti Tow Away Sensor Bracket A2118220114
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Mercedes CLA C118 V177 Ignition Switch Module Keyless Control Unit A1679004616
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Audi A4 B7 2.0 TDI Negative Battery Terminal Earth Cable Lead 8E1971235L
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Land Rover Freelander 2 L359 2.2 Alternator Support Bracket Mount 9661310080
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Nissan Qashqai 1.5 dCi Diesel Engine Wiring Loom Harness 24011BB04A
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Audi TT 8J Coupe Roadster Convertible Roof Control Module ECU 8J7959255B
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Mercedes W447 Aerial Antenna Amplifier Control Unit Module A4479053905
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Mini JCW F56 B48 231HP Engine Control Unit ECU Kit DME 8486847 Key Lock Manual
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Volkswagen Sharan 7N Air Module ECU Sensor Control Unit 7N0959655C
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Opel Astra Vectra Zafira Immobilizer Antenna Immobilizer Module Unit 24445098
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BMW Mini Cooper F54 F55 136HP Petrol B38 Engine ECU Kit DME 8654460 + BDC + Key
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Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419
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Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703485
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Ford Transit Mk8 Fuse Box Power Distribution Junction Relay BK3T-14401-EWD
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Ford Galaxy MK3 Mondeo MK4 2.0 TDCi Diesel Engine Alternator AG9T-10300-AA
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Mini Clubman F54 LCI Cooper B38A15F Engine Control Unit ECU 5A70684 Manual
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Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357
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Mercedes-Benz E-Class W210 Estate Radio Aerial Antenna Amplifier A2108200789
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Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
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Door Module Mercedes W205 Rear Right O/S Door Control Module A1679004811
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Peugeot Partner B9 Alternator Generator VALEO 9810525380
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BMW X3 Z4 Series E83 E85 E86 1 Radio Business CD Player 6932428
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Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
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Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G
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Steering Wheel Horn Mini R50 R52 R53 Switch Left Right N/O/S 1172243
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BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651
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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Lucas LRA02970
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Audi A4 B8 A5 8T A6 C7 Q5 8R Fuse Box Relay Module Connector Plug 8K0937501
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Mercedes C140 Brake Pump Relay Electrical Fuse Module Control Unit A0015426519
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VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549A
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Audi A6 C6 6-disc Compact CD Changer 4E0035111A
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Audi A7 S7 4G 4.0 TFSI Petrol Engine Alternator Generator 079903015P
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BMW Mini Cooper One R50 R52 R53 Exchange Radio Wave 6921594
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Ford Transit MK7 Battery Holder Bracket Mount Strap Clamp 6C1T10A721AB
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Audi Q7 4L Air Module ECU Sensor Control Unit 4L0910655D
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VW Golf V 5 1K Roof Top Antenne Control Unit Module 1K0035507F
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Mercedes V251 SAM Body Control Module Rear Unit A1649007000
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
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Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Alternator BMW Z4 E89 23i 30i N52N Alternator Denso 170A 14V 7552815
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Audi Q7 4L Head Unit Radio Player Navigation Control Module 4L2035670H
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Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
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Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual
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Engine Control Unit Opel Combo 2.0 DTI Diesel Control Module ECU ECM 8973583764
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Land Rover Range Rover Sport L320 Air Suspension Valve Block Module RVH000055
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Peugeot Boxer 2.2 HDI Diesel Engine Wiring Cable Loom Harness BU3T-12B637-CCB
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Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic
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Audi A5 8T Head Unit Multimedia Screen Display CarPlay Infotainment Unit
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Audi A7 4G 3.0 TDI Alternator Generator 059903018TX
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Saab 9-3 1.9 Ttid Z19DTR Diesel Engine Alternator Generator 93169260
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Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A
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Audi TT 8J Radio CD Player Professional Audio Concern Head Unit 9199439
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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 .