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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 7823420
BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
Product currently unavailable
Part no. A2479001506
Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
Product currently unavailable
Part no. 06E903024L
Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
Product currently unavailable
Part no. 03G903016F
Audi A4 B8 2.0 TDI Alternator Generator 150A Diesel Engine Unit 03G903016F
Product currently unavailable
Part no. 6947795
BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6947795
Product currently unavailable
Part no. A0035423918
Yaw Sensor Mercedes W203 W209 ESP Rotation Rate Control Unit Module A0035423918
Product currently unavailable
Part no. A0009050538
Mercedes-Benz S-Class W221 Multi Purpose Camera Control Unit Module A0009050538
Product currently unavailable
Part no. A2049005903-1
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005903
Product currently unavailable
Part no. A0025424019
Mercedes W906 W907 Cut Off Electric Relay Module Wiring Cable A0025424019
Product currently unavailable
Part no. 9204536-1
BMW E90 Footwell Light Module ECU Control Unit PL2 FRM Lear 9204536
Product currently unavailable
Part no. A0009000716
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009000716
Product currently unavailable
Part no. A2115420418
Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
Product currently unavailable
Part no. A1729008612
Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
Product currently unavailable
Part no. 8360568
BMW E39 Saloon Rear Third Stoplamp Stop Lamp Brake Light 8360568
Product currently unavailable
Part no. A0009003704
Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
Product currently unavailable
Part no. 8614302-4
BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
Product currently unavailable
Part no. 9249073
BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
Product currently unavailable
Part no. A6519009302-2
Mercedes W639 113 CDI 651.940 136HP Engine Module ECU Kit A6519009302 Key Lock
Product currently unavailable
Part no. 06E903016N
Audi A4 B8 3.2 FSI Alternator Generator 06E903016N
Product currently unavailable
Part no. 6957140
BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6957140
Product currently unavailable
Part no. 8973583764
Engine Control Unit Opel Combo 2.0 DTI Diesel Control Module ECU ECM 8973583764
Product currently unavailable
Part no. 1K0907530AF
Gateway Module Audi A3 8P Volkswagen Golf Mk6 Control Unit ECU 1K0907530AF
Product currently unavailable
Part no. 233003407R
Renault Master III Vauxhall Movano B 2.3 DCi Diesel Starter Motor 233003407R
Product currently unavailable
Part no. 7799152
Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
Product currently unavailable
Part no. 8R0907441A
Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A
Product currently unavailable
Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1
BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
Product currently unavailable
Part no. A1665402150
Mercedes W166 Seat Fuse Relay Junction Box Block A1665402150
Product currently unavailable
Part no. A0345454332
Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
Product currently unavailable
Part no. 6809274
BMW i3 I01 High Voltage Energy Storage Unit Wiring Cable Wire 6809274
Product currently unavailable
Part no. 7555361-3
BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
Product currently unavailable
Part no. A1669000213
Mercedes ML W166 Radio Stereo CD Player Audio Sat Nav Head Unit A1669000213
Product currently unavailable
Part no. A1698202675
Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
Product currently unavailable
Part no. A2129000217
Mercedes W212 Radio Head Unit Navi CD Player Control Unit A2129000217
Product currently unavailable
Part no. 03L906022NP-1
Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
Product currently unavailable
Part no. 06H903017T-1
Audi A5 8T A4 B8 2.0 TFSI Engine Alternator Generator 06H903017T
Product currently unavailable
Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
Product currently unavailable
Part no. 7557395-18
Mini One R50 1.6 W10 90HP Engine Control Unit ECU Kit DME 7557395 Manual
Product currently unavailable
Part no. 23300JG70A
Nissan Qashqai Diesel Engine Starter Motor Actuator Starter 23300JG70A
Product currently unavailable
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
Product currently unavailable
Part no. A2035450701
Mercedes W203 Fuse Box Rear SAM Module Relay Control Unit A2035450701
Product currently unavailable
Part no. 5A656B7
BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A656B7
Product currently unavailable
Part no. 6906911-1
BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
Product currently unavailable
Part no. A6511505120
Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
Product currently unavailable
Part no. A6111534979
Mercedes-Benz Vito Viano W639 Engine Control Unit Module ECU A6111534979 Manual
Product currently unavailable
Part no. CC1T12B637BAE
Ford Transit MK7 Diesel Engine Wiring Cable Harness CC1T-12B637-BAE
Product currently unavailable
Part no. 04L907309B-1
Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
Product currently unavailable
Part no. 9221719-1
Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
Product currently unavailable
Part no. 03F903023D
Audi A3 8V 2.0 TDI CRLB Diesel Alternator 03F903023D
Product currently unavailable
Part no. 3423829
Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3423829
Product currently unavailable
Part no. A2208274642-1
CD Changer Mercedes W203 W209 W220 6 Disc Player With Magazine A2208274642
Product currently unavailable
Part no. 03L911021E
Audi A4 B8 Starter Motor Engine Motor Actuator Diesel Bosch 03L911021E
Product currently unavailable
Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
Product currently unavailable
Part no. 6827072-2
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM3R 6827072
Product currently unavailable
Part no. A2475407600
Fuse Box Cover Mercedes W177 W247 Engine Compartment Housing Holder A2475407600
Product currently unavailable
Part no. 9236461
BMW F10 Footwell Light Control Unit Module ECU FRM III 9236461
Product currently unavailable
Part no. 7P0907801D
VW Touareg 7P Handbrake Electric Parking Brake Control Module 7P0907801D
Product currently unavailable
Part no. 6933867
BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
Product currently unavailable
Part no. 5A31DE9
BMW F40 Telematics Bluetooth Control Module Unit 5A31DE9
Product currently unavailable
Part no. A9064401066
Mercedes Sprinter W906 W907 Positive Battery Cable Wiring A9064401066
Product currently unavailable
Part no. 9274569
CIC Professional Unit BMW F01 F10 Sat Nav Infotainment Radio Player Head 9274569
Product currently unavailable
Part no. 9258167
CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional Head Unit 9258167
Product currently unavailable
Part no. 1638095180
Peugeot 206 Engine Alternator Generator 1638095180
Product currently unavailable
Part no. 9651197480
Peugeot 307 Body Control Comfort Unit Module BSI Fuse Box 9651197480
Product currently unavailable
Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
Product currently unavailable
Part no. 3453736
Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
Product currently unavailable
Part no. 02Z911024
Volkswagen Golf Mk7 Jetta A6 Scirocco Mk3 Starter Motor 02Z911024
Product currently unavailable
Part no. 9167198
BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
Product currently unavailable
Part no. A0035422519
Mercedes-Benz A B Class W169 W245 Battery Relay Module Unit A0035422519
Product currently unavailable
Part no. 8E1971029AA
Audi A4 B7 Door Wiring Harness Loom Front Cabling 8E1971029AA
Product currently unavailable
Part no. 9387260
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260
Product currently unavailable
Part no. 6821977
Mini F55 Petrol Engine ECU Control Module Unit 6821977
Product currently unavailable
Part no. 03P903023D
VW Seat Skoda Polo MK5 Diesel Engine Alternator Generator 140A 14V 03P903023D
Product currently unavailable
Part no. 8606776
BMW F20 F21 M135i F30 F31 335i N55 Engine Control Unit ECU 8606776 Automatic
Product currently unavailable
Part no. 6961134
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6961134
Product currently unavailable
Part no. A1718200386
Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
Product currently unavailable
Part no. A2219007102
Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
Product currently unavailable
Part no. 9314234
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9314234
Product currently unavailable
Part no. 8J0057186JX
Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186J
Product currently unavailable
Part no. 7806976-1
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7806976 Automatic
Product currently unavailable
Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
Product currently unavailable
Part no. 8639582-3
BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
Product currently unavailable
Part no. A2139062201-1
Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201
Product currently unavailable
Part no. 5E0941645
Skoda Octavia Mk3 5E LED Headlight Headlamp Module Control Unit 5E0941645
Product currently unavailable
Part no. 9882602
Gearbox Cable BMW F90 M5 F91 M8 Engine Wiring Automatic Transmission 9882602
Product currently unavailable
Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
Product currently unavailable
Part no. 9261590
PDC Parking Sensor BMW F20 F21 F30 Ultrasonic Front Tiefseeblau Deep Sea Blue
Product currently unavailable
Part no. 3456871-1
Radio Boost CD Player Mini R56 R57 LCI R60 Head Unit Audio Player 3456871
Product currently unavailable
Part no. 6G9N10300UD
Ford Focus Mondeo Diesel Engine Alternator Generator Engine Unit 6G9N-10300-UD
Product currently unavailable
Part no. 5Q0971371
VW Volkswagen Golf Mk7 Positive Battery Terminal Cable Lead Wiring 5Q0971371
Product currently unavailable
Part no. 9362395-1
REM Control Unit BMW F20 F30 F31 F34 Electrical Body Control Module V2 9362395
Product currently unavailable
Part no. 6825837
Head Unit BMW F20 F30 LCI F36 CD Player DAB Radio Sat Nav Navigation 6825837
Product currently unavailable
Part no. 8S0035021B
Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
Product currently unavailable
Part no. 6980246
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
Product currently unavailable
Part no. 6886211
BMW 1 3 F20 F21 F30 F31 Parking Assistant PDC Control Unit Module 6851822
Product currently unavailable
Part no. 7565300-1
BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Manual
Product currently unavailable
Part no. 6317177
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 6317177
Product currently unavailable
Part no. 8K0959655L
Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655L
Product currently unavailable
Part no. A6291501933
Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
Product currently unavailable
Part no. A0009063903
Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903
Product currently unavailable
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 .