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. 5H4971162MP
Volkswagen Golf CD1 Front Door Right O/S Loom Wiring Cable Harness 5H4971162MP
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Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426
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Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B
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PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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Seat Control Unit BMW F30 F36 Front Seat Module Unit Controller ECU 9371131
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BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
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BMW X3 E53 E60 E61 E64 E65 X5 E83 Power Steering Speed Sensor 6774040
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CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535
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Audi Q7 4L S8 D3 Interface Control Unit Module 4E0035785B
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PDC Display Mercedes W639 Front Parking Sensor Screen Control Unit A0015422623
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On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
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BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Mini R55 R56 LCI R60 R61 D N47N Engine Injector Module Wiring Harness Cable
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Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
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Opel Vivaro A Renault Trafic MK3 1.6 dCi Engine Alternator 185A 93461046
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BMW E87 LCI E90 N43 116i 118i 320i DME Engine Control Unit 7583225
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Audi A3 8P Multimedia Stereo Sat Nav CD Player Radio Head Unit 8P0057186SX
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Cable BMW E39 Petrol Engine M52 Alternator Starter Cable Wire B+ 7503505
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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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Mini Cooper One R56 High SPEG Fuse Distribution Box SPEG High 3448964
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Mercedes R231 Seat Control Unit Module Driver A2319003606
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VW Volkswagen Golf Mk7 Multimedia MMI Sat Nav Radio Display Screen 3G0919605D
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
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Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Audi A4 B7 Sat Navi Stereo Radio Audio Head Unit CD Player 8E0035192T
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BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018
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BMW E60 E90 E91 N52 325i 525i 218HP ECU DME 7555361 Engine Control Unit Manual
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Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104
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Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9289008
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Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335
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Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703
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Mercedes W163 Air Module System Control Unit Module ECU A1635422918
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BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit Module 6934837
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Mini R50 Park Lane Sticker Rear Window Decals Plates Set
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Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual
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BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532
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BMW E60 E65 Petrol 530i 730i M54 Engine Control Unit DME 7527072 Automatic
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MINI Cooper One R56 PL3 SPEG H5 Fuse Distribution Box 3455440
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BMW G20 Axle Differential Module Control Unit ECU 5A11E72
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Mercedes W213 S213 Multimedia USB SD Card Reader Port Socket Module A2058200526
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809
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Starter Motor BMW E60 E83 E87 E90 Diesel Engine Starter Actuator NAPA NSM1060
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Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
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Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Mercedes-Benz E W210 S210 CD Player Radio Audio Navi SMS Head Unit A2108205689
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Mini F56 F60 BMW F40 F39 Diesel B37 Battery Starter Alternator Wiring 8580059
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key Automatic
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BMW 1 3 5 7 Series E60 E61 E65 E81 E87 E90 Trailer Towing Control Module AHM 4R
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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Engine Wiring BMW F20 120i F30 320i 330i LCI B48 Cable Loom Harness 8636068
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Audi Q7 4M Rear Boot Lid Tailgate Opening Module Cable Wiring Line 4M8962239
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Part no. 4461712-1
Ford Transit MK6 2.4 Diesel Engine Alternator Generator 4461712
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Part no. 31100-PWA-004
Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004
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Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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Audi RS4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064JJ
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BMW E90 ECU Body Control Module H1 61356983302 6983302
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803
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BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941572A
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Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
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Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459
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BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Engine Wiring BMW F20 F21 F30 120dX 320dX N47N Loom Harness Cable Module 8586168
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Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243
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BMW X5 E60 E61 E65 E70 Front Left N/S Seat Angle Adjustment Drive 9146329
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Peugeot 207 1.6 HDI Diesel Engine Starter Motor Engine Unit 9646679980
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Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
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BMW E60 E61 E63 E64 6-disc Compact CD Changer with Magazine 6956939
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BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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Trafficmaster Control Module Mini R50 R53 GPS Control Unit ECU 93970000052
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Audi S7 4G8 Front Lamp Headlight Level Sensor 3C0907503
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BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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Mercedes C253 Electronic Control Unit Module A2539003001
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Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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Ford Transit MK7 2.4 TDCI T24DD0P Diesel Engine Control Unit ECU AC1112A650BC
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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 .