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. 6970685
BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6970685
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Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
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Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956
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Renault Trafic Scenic Diesel Starter Motor Mitsubishi 233003248R
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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VW Volkswagen Sharan 7N Driver's Side Door ECU Module Control Unit 7N0959793F
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Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX
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BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key 7567178 Automatic
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Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
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BMW E60 M5 E63 E64 M6 S85 Starter Motor 7835126
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Mercedes Sprinter W907 W910 Body Control Module BCM V2 ECU A9079000305
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BMW E46 Touring Positive Battery Cable Plus Pole Lead Loom 6907435
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
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BMW 7 E65 E66 Rear Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Communication Module Mercedes W177 W205 W213 X253 Hermes LTE Unit A2389008601
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BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
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Sound Speaker BMW F30 F31 F32 F33 HiFi System Mid-range Unit 9264944
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Mercedes W202 W210 Front Left Door Control Module A2108207526
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BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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BMW X3 E83 Z4 E85 E86 Radio Sat Nav Control Unit CD Player Control Unit 9146714
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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Mercedes W906 311 CDI 646.985 109HP Engine Unit Module ECU A6461500477 Manual
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BMW X5 E70 X6 E71 Body Control Unit Module Junction Box ECU 9247465
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Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9266411
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Seat Wiring Cable BMW E81 E82 E90 E92 Front Right O/S Seat Loom Harness 9131760
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Mini Cooper R56 Footwell Light Control Unit Module LOW ECU PL3 FRM II 3452093
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Engine Basic Control Unit Mini R50 R52 W10 ECU DME 7545789 Automatic
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Unit With Magazine 9112761
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BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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BMW 1 Series F20 Rear Module Fuse Box Power Distribution Control 9362397
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Sat Nav Audi S8 D3 A6 C6 DVD Drive Navigation Control Unit 4E0919887M
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944499
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Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
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Audi A7 4G PDC Sensor Wiring Loom Harness Cable Front Bumper 4G8971095C
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Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718207126
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BMW 3 Series Compact E46 Battery Earth Negative Terminal Cable Lead 8383112
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BMW Z4 E89 23i N52N 204HP sDrive Engine ECU Kit CAS3 + Key 7624048 Manual
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Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604
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BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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Citroen C4 1.6 HDI Diesel Engine Control Unit ECU Module EDC 9665674480
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Vauxhall Corsa D 1.3 CDTi Alternator Generator Electrical Unit 101210-0961
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Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441
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Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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Part no. 7584113
BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7584113 Manual
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Part no. 9226328-1
BMW E90 LCI Junction Box Body Control Module H1 PL2RR JBBFE IIIR 9226328
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Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
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Mercedes W169 W245 SAM Control Module Fuse Box Unit A1695454332
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BMW E81 E87 LCI E90 120d 320d N47 177HP ECU KIT DDE 7811700 CAS3 Keys Automatic
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Peugeot 3008 Yaw Sensor ESP Rotation Rate Acceleration Control Unit 9664661580
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Ford Transit MK7 Battery Holder Bracket Mount Strap Clamp 6C1T10A721AB
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Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA
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Mercedes W212 Valve Block AMG Air Suspension Control Unit Module A2123200558
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BMW 3 5 Series E30 E34 E36 Radio Business RDS Cassette Player 9410692
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Volkswagen Touran 1T Central Gateway Module Control Unit Lear 1K0907530F
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BMW E36 Electrical Fuse Relay Box Covering Panel Trim Socket Petrol 1735752
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Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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REM Module BMW F20 F30 Rear Electronic Fuse Box Control Unit V2 ECU 9317176
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Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + Key
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Part no. 9193745-2
Display Screen BMW E60 E61 E90 LCI 8.8" Monitor Sat Nav 9193745
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Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704926
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Mercedes W639 113 CDI 651.940 136HP Engine Module ECU Kit A6519009302 Key Lock
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Mercedes W164 W169 W211 W245 W906 6 Disc CD Changer Player A2118703889
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Part no. 859800D060
Toyota Yaris XP10 Door Control Module Unit ECU 859800D060
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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Part no. 03L906022RM-1
Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
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AUDI Q5 8R Quattro 3.0 TDI Diesel CCWA CCWB Starter Motor 059911022
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Audi A4 B9 Rear Hatch Boot Lid Tailgate Opening Control Module Unit 3G0962243D
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Mercedes W205 Head Radio CD Player Navi Interface Control Unit A2059006222
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Part no. 7521137-1
BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095D
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Part no. 8627098
BMW F45 X1 F48 Mini F60 Automatic Gearbox Module Control Unit EGS 8627098
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Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2129006012
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BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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Radio Professional BMW F20 F21 F30 F31 CD Player DAB Bluetooth 9381305
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Part no. 9242522
BMW X5 E70 Light Module Footwell Control Unit ECU FRM II MAX Lear 9242522
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Mercedes W177 Glow Plug Relay Preglow Module Diesel OM654 A6549009900
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BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
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Mercedes W202 A208 C208 W208 W210 Fuse Box Relay Control Unit A0005400072
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BMW X3 Series E83 2.5i 3.0i M54 Automatic Gearbox Wiring Loom Harness 3412238
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Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585
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Mercedes W221 S320 CDI 642.930 235HP Engine Control ECU A6421507391 Automatic
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BMW E90 E91 E92 E93 AHK Towing Hitch Tow Bar Control Module Unit ECU 6773731
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BMW X3 G01 Headlamp LED AHL Adaptive Headlights Control Module FLM 01 7472765
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Part no. A1695451940-1
Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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Engine Wiring BMW X3 G01 X4 G02 B57 Diesel Module 2 Loom Harness 8588681
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Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
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Part no. 7L6937049N
Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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Part no. A6461506479
Mercedes C209 220 CDI M646.966 150HP Engine Unit ECU A6461506479 Automatic
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Part no. 6962888
Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888
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Part no. 6920758
BMW 3 5 7 X5 Series E38 E39 E46 E53 GPS Navigation System Computer Unit 6920758
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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 .