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. 8M5T19G488AR
Ford Transit Mk7 Bluetooth Voice Module Unit Control ECU 8M5T19G488AR
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Part no. A0009068806
Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806
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Part no. 6G9112A650AE
Land Rover Freelander 2 2.2 Diesel DOHC Engine ECU Module 6G9112A650AE Manual
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Seat Ibiza 6J Central Gateway Control Unit Module Relay ECU 6R0907530D
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BMW X3 G30 G01 Fuse Box Power Distribution Control Unit Module Front 9470044
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BMW 7 Series E65 E66 E67 Sensor B-Pillar Airbag Right O/S 6970894
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Mercedes W221 S320CDI Parktronic System Sensors Control Module PDC A2215408262
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Part no. 8A6118B955BL
Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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Part no. 6985501
BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6985501
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Part no. A2035400031
Mercedes CLK W203 C209 Negative Battery Terminal Cable A2035400231
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Part no. 03D906023Q
Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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Part no. 7511570-2
BMW 3 Series E46 325i M54 192HP ECU Kit DME 7511570 + EWS3 + Key Automatic
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Part no. 8631668
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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Part no. 9147222
CAS3 Module BMW E60 E61 LCI E90 E91 Mini R56 Control Unit Key Reading 9147222
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Part no. A2139007436
Mercedes W177 W213 Gearbox Transmission Control Module Unit ECU A2139007436
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Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
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Part no. 6941747
BMW 7 Series E65 E66 Antenna Amplifier Diversity Unit Module 6941747
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Part no. 6832699
BMW F30 LCI 330e B48X Battery Lead Negative IBS Wire Earth Cable 6832699
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Part no. A0051516501
Mercedes-Benz W203 W210 W220 M112 240 280 320 Engine Starter Motor A0051516501
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Part no. A6421509089
Wiring Harness Mercedes W221 OM642 Engine Wiring harness Loom A6421509089
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Part no. 6914610
BMW X5 Series E53 Multi Information Display Tuner Radio Control Panel 6914610
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Part no. 9195956-2
Mini Cooper R55 R56 R57 Navigation Navi Sat Nav Head Unit 9195956
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Part no. 7521383
BMW 3 E46 N42 316i 318i Petrol Engine Alternator Generator 110A Valeo 7521382
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Part no. 06L911021A
Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021A
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Part no. A9066200131
Mercedes-Benz Sprinter W906 Battery Tray Housing Box Case A9066200131
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Part no. A2219006702
Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Part no. A1111531879-1
Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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Part no. 6920279-1
BMW Mini Cooper R50 R53 1 Aerial Base Roof Antenna 6920279
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Part no. 8610678-1
BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual
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Part no. A2115454401
Mercedes C219 Fuse Distribution Box Unit Moudle A2115454401
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Part no. 8408383
Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383
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Part no. rhd-A1715400124
Mercedes SLK R171 Fuse Box SAM Module Unit Bracket Carrier Holder A1715400124
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Part no. 7579142-3
BMW E81 E87 LCI 116i 1.6 Petrol N43 ECU Control Kit DME 7579142 CAS3 Keys Manual
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Part no. 4F0915105E
Audi Volkswagen Varta Car Battery Accumulator AGM 92Ah 850A 4F0915105E
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Part no. A0009006616
Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
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Part no. 6G9215K866CC
Ford Transit Mk7 Park Assist PDC Module Unit Control ECU 6G9215K866CC
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Part no. 7L6959933A
Volkswagen Touareg 7L Control Comfort Unit Module Unit ECU 7L6959933A
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Part no. A1729011302-1
Mercedes W204 Display Screen Multimedia Navigation Sat Nav COMAND A1729011302
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Part no. JK2T15604FAE
Ford Transit Custom Body Control Module BCM Control Unit ECU JK2T-15604-FAE
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Part no. 7520321
Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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Part no. rhd-A2044401238
Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2044401238
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Part no. A2389007704
Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
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Part no. A6421506491-1
Mercedes W164 ML320 CDI OM642.940 Engine Module ECU Kit A6421506491 + 2 Keys
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Part no. 7561834-19
BMW E87 E90 N46 118i 318i 129HP ECU KIT DME 7561834 CAS2 Key Automatic
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Part no. A2139062610
SD Card Mercedes X156 W176 W205 Garmin Map Pilot Navigation Europe A2139062610
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Part no. rhd-A7893409801
Mercedes W212 E300 Hybrid Lithium-ion Battery BMS Accumulator A7893409801
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Part no. 6C0035621
Seat Ibiza Mk5 Arona Ateca Subwoofer Speaker Audio Unit 6C0035621
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Part no. A2129003822
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129003822
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Part no. 6901469-4
5X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 7604809
BMW AGM 12V Accumulator Battery 105Ah 950A 7604809 7604808
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Part no. A2115453240
Mercedes E-Class S211 Touring Rear Sam Unit Fuse Box Holder Bracket A2115453240
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Part no. A2115408545
Gateway Module Mercedes W211 Control Unit ECU A2115408545
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Part no. A0005400950
Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950
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Part no. A2115409407
Mercedes-Benz E-Class S211 Touring Battery Lead Cable Positive Pole A2115409407
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Part no. 6985364
BMW 5 Series E61 Body Gateway Module KGM HIGH LEAR 6985364
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Part no. 6C1T-11000-AB-1
Ford Transit Mk7 Starter Motor Engine Actuator Diesel 2.2 TDCi 6C1T-11000-AB
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Part no. P04727535AC
Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Part no. A2208208089
Mercedes-Benz S-Class W220 Aerial Roof Antenna Rear Frame Cover A2208208089
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Part no. A2115407545
Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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Part no. 3453293
Mini Cooper One R56 SPEG PL3 M2 Fuse Distribution Box 3453293
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Part no. 03L906022NP-1
Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
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Part no. 6941509
Mini R50 R52 R53 Radio Boost CD Player Unit Head 6941509
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Part no. 7327886
Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7327886
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Part no. A1569007702
Signal Actuation Module Mercedes W176 W246 SAM Control Unit ECU A1569007702
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Part no. A2049003609
Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049003609
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Part no. A6395450101
Mercedes-Benz W639 Fuse Box Relay Control Unit Electric Module SAM A6395450101
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Part no. 8709339
On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Part no. 6864930
BMW F10 Air Module Controller ICM Module Control Unit 6864930
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Part no. 9137056-1
BMW 5 7 Series 1 E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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Part no. RHD-8R2035666G
Audi A4 B8 Navi CD Player Radio Sat Nav Head Unit 8R2035666G
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Part no. A2123200358
Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
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Part no. 4G0035192H-1
Audi A6 C7 Multimedia Radio CD Player Head Unit Sat Nav RMC Nav Plus 4G0035192H
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Part no. A2229004213-1
Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213
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Part no. 4H0907063GH
Audi A6 C7 BCM Body Control Module Unit ECU 4H0907063GH
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Part no. 8N0906018CN
Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Part no. 6972678
BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678
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Part no. 3456951
Mini Cooper R56 LCI Footwell Light Module LOW EKS ECU PL3 FRM3R Lear 3456951
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Part no. A2139000323
Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Part no. 6946388
BMW 5 6 Series E60 E61 E63 ECU Control Unit Gateway Module 6946388
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Part no. A0009062302
Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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Part no. 9339296
Seat Wiring BMW F22 F30 Driver's Side Seat Memory Loom Cable Set 9339296
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Part no. A1665402350
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
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Part no. 7616698-1
Mini Cooper One R55 R56 R57 R58 R59 R60 R61 Engine Starter Motor 7616698
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Hyundai H-1 Body Control Module Control Unit BCM ECU Module 95410-4H411
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Part no. 8734740-1
BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Part no. TF2218
Ryder Smart Logic Towing Hitch Trailer Hook Relay Control Unit Module TF2218
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Part no. YC15-10A687-A9W
Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
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Part no. BULLETBATT 60Ah Accumulator
BULLETBATT Accumulator Battery 60Ah 600A 12V
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Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
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Part no. A2098200326-1
Mercedes CL203 Body Control Module Unit Temic 376 800 GZ A2098200326
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Part no. A1718205126
Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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Part no. 8796099
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 8796099
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Part no. 9191554
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9191554
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Part no. 8K0971589G
Audi S5 8T Steering Wheel Harness Wiring Loom Cable 8K0971589G
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Part no. 8639583
BMW F20 F21 F30 LCI M140i 340i B58 Wiring Harness Motor Sensorsystem Module
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Part no. 1K0035186AF
Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit MP3 RCD 300 1K0035186AF
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Part no. RHD-1J2907637G
Volkswagen New Beetle Yaw Sensor Rate Acceletarion Control Module 1J2907637G
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Part no. T1000-26026
BMW Disc Professional Navigation DVD Road Map Europe T1000-26026
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Part no. 02E911024B
Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
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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 .