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. 9866982
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
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Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236
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BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604
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Audi S3 8V Starter Alternator Wiring Harness 5Q0971230HH
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BMW E46 E60 LCI E83 E87 M47N2 Diesel Starter Motor 7787356
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BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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Mercedes R172 R231 Headlight LED Ballast Control Unit Module A1769009203
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Mini Cooper R55 R56 Petrol N12 1.6 ECU Kit DME CAS3 + Key 7640004 Manual
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Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136
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Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
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Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
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Audi A3 8P Steering Angle Steering Wheel Column Control Module ECU 8P0953549K
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Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651
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Part no. RIPCA-FUSE-BOX
Ripca 12 Way Standard Blade Fuse Box Dual Bus Electrical Unit Module
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Part no. A0009068504
Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504
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Part no. 9340339-2
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Part no. 8518269-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys
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BMW F20 F21 F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 9463373
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BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual
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Part no. 7520321
Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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Part no. 9809590-1
Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Part no. 2448166
Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166
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Part no. 7G9T-14A073-YC
Ford Mondeo Mk4 Fuse Box Body Control Module BCM Unit 2.2 TDCi 7G9T-14A073-YC
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Xenon Headlight Module BMW F22 F23 Control Unit Driver Module 7363091
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Part no. 3457586
Light Module Mini R57 LCI Cooper ECU Footwell FRM3R PL3 High EKS Lear 3457586
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Part no. 03C907309E
Volkswagen Passat B7 CAXA 122HP ECU Engine Control Unit Automatic 03C907309E
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Part no. BJ32-19C164-AF
Range Rover Evoque L538 Audio Sound Amplifier BJ32-19C164-AF L538
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CD Radio Citroen Relay Peugeot Boxer Audio Player Head Unit 7355333750
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Part no. 8513184
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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Part no. 6982056
Telematics Module BMW E60 E87 E90 Bluetooth Control Unit 6982056
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Part no. 8519005
BMW X1 E84 18dX Diesel N47N 143HP Engine Control Unit ECU DDE 8519005 Manual
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Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
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Part no. 7801711-5
BMW X3 E83 M47N2 2.0d 150HP ECU Kit DDE + EWS + Key 7801711 Manual
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Part no. A6461501077
Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual
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Part no. 0AD927755BG
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BG
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Part no. 8386674
BMW 3 5 Series E46 F30 G30 G31 Battery Cable Negative Cable Minus Cable 8386674
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Part no. A1715451301-1
Mercedes SLK R171 Roadster Fuse Box Control Unit SAM Module Relay A1715451301
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Part no. 8494843
Headlight Module BMW F83 M4 F33 LCi FLE2 Front Lights Right Left N/O/S 8494843
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110723BC
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Mercedes W211 Automatic Gearbox Transmission Module Control Unit A0015453116
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Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810
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Part no. 6H52-18845-AC
Land Rover Freelander 2 Radio CD Player Stereo Audio Head Unit 6H5218845AC
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Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915
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Part no. 9130157
BMW X6 Series E71 Aerial Antenna Amplifier Diversity 868 MHZ 9130157
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Part no. 9242072
BMW X6 E71 Door Wiring Harness Loom Cables Driver's Side 9242072
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Part no. 3456516-2
Mini R56 LCI R60 Radio Boost CD Player Head Unit Controller Bluetooth 3456516
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Part no. 8K0907357
Audi A5 8T Headlight Headlamp Module Control Unit 8K0907357
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Part no. 8512415-6
Mini Cooper SD R55 R56 LCI N47N 90HP Engine ECU Kit DDE 8512415 CAS3 MANUAL
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Part no. 6G9N10300YC
Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC
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Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
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Part no. 8507623-2
BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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Part no. 9166279
BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
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Part no. A1648204189
Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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Part no. 6936996
BMW E65 Light Control Unit Headlight Module Lear LM E6X MAN. LWR 6936996
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Part no. 1735752
BMW E36 Electrical Fuse Relay Box Covering Panel Trim Socket Petrol 1735752
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BMW E60 E90 E91 X5 E70 Mini R56 FBAS Video Control Unit TV Tuner Module 9206973
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Part no. 7533097
Mini Cooper One R50 Petrol W10 Engine Wiring Loom Harness Module 7533097
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Part no. A6399000300-1
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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Part no. 9321016-1
BMW F10 F11 LCI On-Board Screen Central Information Display 10,25" 9321016
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Part no. A2049060902
Mercedes-Benz C-Class W204 COMAND Navi CD Player Radio Head Unit A2049060902
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Part no. 8578944-2
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
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Part no. 7316536
BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator
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Part no. 9186215-2
BMW E90 LCI M-Audio Controller System Control Unit Module Navigation 9186215
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Part no. A0215452032
Mercedes C140 CL420 119.981 279HP Engine Unit ECU A0215452032 Automatic Gearbox
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Part no. 4F0953549A
Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A
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Part no. 231001423R
Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R
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Part no. 3Q0035874A
Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 3Q0035874A
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Part no. 9688628680
Peugeot 508 5008 2.0 HDI Galaxy MK3 2.0 TDCI Alternator Bracket Mount 9688628680
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Part no. 8C1T18C815AD
Ford Transit MK7 CD Player Radio Stereo Audio Head Unit 8C1T18C815AD
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Part no. 9317174
BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9317174
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Part no. A1718204326
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326
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Part no. 2447787
BMW G11 G30 G31 X4 F26 Telematics Module Bluetooth Control Unit ECU 2447787
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Part no. 7640755-4
BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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Part no. A1685400230
Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230
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Part no. A6071500433
Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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Part no. 9311296
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Part no. 1K8951605
VW Volkswagen Audi Seat Skoda Alarm System Siren Anti-Theft Signal 1K8951605
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Part no. H2862N-P
Mini R56 R57 R58 R60 Display Screen 9 inch Android Surround Panel H2862N-P
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BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Unit Basic 6821139
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Mercedes-Benz A B Class W169 W245 Sam Control Module Fuse Box Unit A1695454332
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Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1
BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
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Part no. 9281517
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
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Part no. A2129004500
Mercedes C207 W212 Fuse Box Relay Control Unit SAM Module A2129004500
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Part no. 9809842880
Display Screen Citroen Dispatch Dashboard On Board Dash Monitor 9809842880
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Part no. A2129000829
Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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Part no. 6809274
BMW i3 I01 High Voltage Energy Storage Unit Wiring Cable Wire 6809274
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Part no. 9123038
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038
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Part no. RQT500170
Land Rover Discovery 3 L319 Air Suspension Control Module ECU RQT500170
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Part no. 7805349
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE 7805349 Manual Transmission
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Part no. 7501690
BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690
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Part no. 8707676
BMW F22 F32 F36 Body Control Comfort Module Unit 8707676
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Part no. 03L903023P-1
Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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Part no. 6955348
BMW 5 Series E60 E61 Radio M-ASK M-Audio System Controller CD Player 6955348
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Part no. 9345377
BMW F06 Gran Coupe Footwell Light Module Control Unit ECU FRM III 9345377
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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 .