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. A0009068802-2
Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802
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Mercedes W639 OM651.940 113 CDI 136HP Engine Unit Module ECU A6511501879 Manual
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Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine ECU Kit 03L906023M 2 Keys Manual
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Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
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BMW E60 E90 E91 N52 330i 530i ECU Kit DME CAS2 Key 7553166 Automatic
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Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Seat Ibiza FR Double USB C Charging Port Socket Connection 575035736A
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BMW Z4 Series E85 M54 Wiring Loom Harness Engine Ignition Module 7537281
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Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Manual
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CD Changer BMW E65 E66 6-fold CD Disc Changer Without Magazine 9143440
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Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701
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Part no. 7567321-1
BMW 1 3 Series E81 E87 LCI E90 116i 316i N45N ECU Kit DME 7567321 + CAS3 + Key
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Audi A3 8V 1.4 TSI Petrol Starter Motor Engine Actuator Unit 0AM911023R
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BMW MINI Cooper R50 W10 116HP Engine ECU Kit DME + EWS + 2 Keys 7520019 Manual
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Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
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Peugeot Expert Citroen Dispatch 2.0 HDI 120HP Engine Unit ECU 9664611380 Manual
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BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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Part no. CDR-22
Porsche Boxster 986 Radio Audio System Head Unit CDR-22 Becker BE4467 BE6621
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Engine Wiring Mercedes W906 OM651.955 Euro 5 Cable Loom Harness A6511505520
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BMW 5 Series F11 Touring Antenna Aeral Amplifier Diversity 868 MHZ 9276036
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Mini Cooper F56 Wiring Driver's Loom Front Right O/S Door Cables 9338910
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Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
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AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C
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BMW Z4 E89 Roadster Control Unit EMF Rear Wheel Brake Module 6794260
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Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 237103984R Manual
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Part no. A6519007500-23
Mercedes W204 C207 W212 E250CDI OM651.924 204HP Engine ECU A6519007500 Automatic
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Part no. 079911021G
Audi RS4 B8 Starter Motor Petrol Engine Electrical Unit Actuator 079911021G
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Part no. A2129008307
Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307
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Part no. A2049069801
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049069801
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Part no. FT1T14027LLC
Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365Q
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BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Audi A5 8T BCM Body Comfort Convenience Module Unit ECU 8K0907289C
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Audi A6 C8 A7 4K A8 D4 Alternator Generator 4N1903028A
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BMW 3 E92 E92N LCI Amplifier Hifi Speaker System 9143162
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BMW F20 F30 F31 120i 320i N20 184HP Engine Control Unit ECU DME 8610635 Manual
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Mini One R55 R56 N12 1.4 95HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Part no. A2218708292
Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
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BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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Volkswagen Polo 6R Engine Wiring Loom Harness 03E971612AD
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Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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BMW X3 F25 CAS4 Key Reading Module Unit Control ECU 6809374
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Part no. 9647158180
Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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Part no. 8J0907115N-1
Audi TT Mk2 8J 2.0 TFSI BWA 200HP Engine ECU Kit Ignition + Key 8J0907115N
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BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9224599
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Part no. A9079000704
Body Control Module Mercedes Sprinter W907 W910 SAM BCM Unit ECU A9079000704
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BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
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Part no. 6988104
Anti Theft Module BMW X3 X5 E39 E46 E53 E83 Control Unit EWS IV 6988104
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Mercedes-Benz A B Class W176 W246 Diesel Fuse Box Relay Unit A2465402150
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Part no. 5A4C367-1
Mini Cooper F54 F56 F60 JCW B48E 306HP Engine ECU Kit DME 5A4C367 BDC Key
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Mini R55 R56 R57 R60 Gearbox Module Control ECU Automatic Unit 7619713
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BMW 5 6 Series E60 E61 E63 E64 Power Steering Speed Sensor 6774039
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51871153
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Audi Q7 4L Air Suspension Level Height Adjustment Compressor Pump 4L0698007A
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Part no. 9163348
BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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Part no. 8571084
BMW F20 F21 F30 LCI Wiring Injector Loom Harness Cable Module B47 Engine 8571084
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Part no. 9803399680
Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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Part no. 7595179-2
BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
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Part no. 1638115880
Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 1638115880
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Part no. 3455702
Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3455702
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Part no. rhd-9136726-1
BMW Mini Cooper One R55 R56 1 Multifuse B Battery Power Distributor 9136726
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Part no. A2469013702
Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469013702
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Part no. 9248179
BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179
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Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Part no. 6943838
BMW X5 E70 CAS3 Control Unit Key Reading Module 6943838
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
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Ford Transit Mk7 2.2 TDCi Euro 4 Diesel Engine Wiring Loom Cables 6C1T12B637JF
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Part no. 7823420-2
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. 8482313
BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
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Adblue Module Mercedes W447 W906 Control Unit ECU A0009004213
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Part no. 4G0907468AC
Audi A6 C7 Central Gateway Control Unit Module Relay ECU 4G0907468AC
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Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Audi A4 B7 4.2 FSI V8 Petrol Engine Alternator Generator 079903018X
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BMW E87 LCI E90 116i 316i 1.6 Petrol N43 122HP ECU Kit DME CAS3 Key 7579142
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Mercedes W204 Display Screen Multimedia Navigation Dashboard Unit A1729008600
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Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key
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Renault Scenic 1.5 DCi Diesel Starter Motor Actuator Valeo 8200584675A
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BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic
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Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
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BMW E60 E61 Front Right Door O/S Wiring Cables Harness 9175863
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BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 6983009
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Mini R55 R56 R58 R59 R60 Fuse Box Relay Electrical System Distribution 9213372
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Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6970680
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Ford Fiesta Mk7 Transit Relay 4-Pin FoMoCo Unit 8V5T-14B192-AA SET X3
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Part no. A2749000800-3
Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800
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Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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Part no. 8574351-5
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Part no. 059903019H
Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H
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Part no. 7801711-2
BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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Part no. A2118704585
Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Part no. 9343739
Audio Amplifier BMW F20 F21 F22 F23 Top HiFi Harman Kardon Control Unit 9343739
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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 .