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. 6998485
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 6998485
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Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396
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Door Module Mercedes W906 Front Door Right O/S Control Module A9068205626
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Mercedes W906 SAM Module Fuse Box Relay Control Unit Regulator A0009822223
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Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426
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Mercedes Sprinter W906 OM651 Battery Wiring Harness Loom Cable A9065403815
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Mercedes S204 Bootlid Control Unit Trunk Lid Module A2048708926
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9383700
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BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
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BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Automatic
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
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BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
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Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527
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BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual
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Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
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Part no. 8639582-1
BMW F30 335i F32 F33 435i N55 306HP Engine Control Unit ECU 8639582 Automatic
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Part no. A2079005400
Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400
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Part no. A2049001813-1
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049001813
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Part no. 2622593
BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001813
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Glow Plug Relay Mercedes W213 C238 Diesel OM654 Preglow Module A6549001300
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Part no. 7933357
Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
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Part no. A2135407744
Mercedes W213 Door Ambient Light Cable Harness Wiring Rear Right O/S A2135407744
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Part no. rhd-A2135407144
Mercedes W213 Front Left N/S Door Electrical Wiring Harness A2135407144
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Part no. A6519007103-2
Mercedes Sprinter W907 311 CDI 651.958 114HP Engine Control Unit ECU A6519007103
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Part no. A2669000200-2
Mercedes W169 A180 266.940 Engine Control ECU Kit A2669000200 Key Lock Automatic
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Part no. A2829003300-3
Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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Part no. A6511400800-1
Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
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Part no. A2139052503
Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Part no. 7549284
BMW E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
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Part no. A1779002610
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
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Part no. A2139002522
Control Unit Mercedes W213 W217 Front Right O/S Door Control Module A2139002522
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Part no. 9153804
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Part no. 7640132-3
BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Part no. A1775404107-1
Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107
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Part no. A2139009216
Mercedes S205 Estate W213 W222 Towing Hitch Trailer Hook Module Unit A2139009216
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Part no. A2229008816
Mercedes W213 Parking Control Unit Camera View Module ECU Parktronic A0009006418
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Part no. A2139009722
Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Part no. A2229004619
Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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Part no. A2139008822-1
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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Part no. A2135402045
Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
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Part no. A2115456101
Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101
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Part no. A2139000323
Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Part no. A2139053303
Mercedes W213 Dashboard Switch Panel A2139053303
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Part no. 7570488-5
Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Bosch Engine Starter Motor 0986018830
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Part no. A2055404007
Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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Part no. 7550997-2
Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Part no. 3455241
Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241
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Part no. 8671505
BMW F98 Engine Starter Motor 8671505
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Part no. 7607975
Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975
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Part no. A1718200386-1
Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
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Part no. 6807487
Fuse Box BMW G20 X3 G01 Power Distribution Control Unit Module Front 6807487
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Part no. A0009008129-1
PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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Part no. A2479007314
Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module A2479007314
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Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213
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Part no. 8746829
BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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Part no. A2139008828
Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828
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Part no. A2139052403
Mercedes W213 Trunk Tailgate Rear Switch Sensor Module A2229059004
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Part no. A0009004436
Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324
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Part no. 8200404459D
Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D
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Part no. A1679002718-1
Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718
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Part no. A1679003418
Mercedes W205 C253 W257 Door Module Rear Left N/S Control Unit ECU A1679003418
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Part no. A1779008206
Mercedes W177 Ambience Illumination Light Control Module Unit A1779008206
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Part no. A2059065806
Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806
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Part no. A2909064100
Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100
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Part no. A2389007704
Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
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Part no. 9275510
Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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Part no. A0009004710
PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710
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Part no. A2479008607
SAM Module Mercedes W177 W247 Front SAM Body Comfort Control Unit A2479008607
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Mercedes C253 Body Control Module Temic A2539005906
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Part no. A0009002218
Mercedes C253 Fuel Pump Module Control Unit ECU A0009002218
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Part no. A2479002516
Mercedes C253 Windscreen Camera Control Unit Module A2479002516
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Part no. A2539003001
Mercedes C253 Electronic Control Unit Module A2539003001
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Part no. A2059005351
Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
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Part no. A2049060205-3
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Part no. A2539005009
Display Screen Mercedes C253 Vito W447 W448 Head Unit Touch Monitor A2539005009
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BDC Module Mini Cooper F56 Body Domain Controller Unit Fuse Relay Module 8796101
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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518
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Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572
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BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971
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Mercedes W164 ML320 CDI 4-Matic OM642.920 Engine ECU Kit A6421506100 Key Lock
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Mercedes-Benz E-Class W207 Cabrio A207 Anti Theft Alarm Module Control Unit ECU
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock
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Part no. 3457429-1
Mini Cooper R61 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Part no. A2479001506
Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
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Part no. 7794952-4
Starter BMW E60 520d M57N2 Diesel Engine Starter Motor 7796892
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Part no. 7E0971794A
Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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Part no. A0009005517
Mercedes W177 W205 W238 W257 Gearbox Control Unit Module ECU A0009005517
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Part no. A2649060400
Mercedes W205 W257 Starter Engine Motor A2649060400
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Part no. A2479061803-1
Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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Part no. 3455895-1
Mini Cooper One R57 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
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Part no. A2139001223
Mercedes W205 Ignition Control Unit A2139001223
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Part no. 3457528
Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Part no. A0009824823
Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823
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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 .