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. A6461541102
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME 7567178 CAS3 + Key Automatic
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BMW F10 F11 Engine Wiring Loom Cable Harness Injector Module 520d N47N 7823651
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Audi A3 S3 8P Headlight Range Module Xenon Lamp Control Unit ECU 8P3907357B
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Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
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Mini R52 R53 Petrol W11 Compact Alternator Generator 7515030
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Ford Transit Battery Relay Module Control Unit 12V 8C1T-10B728-AC
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 2 Keys 7610011 Manual
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Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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Skoda Octavia II Crash Thrust Air Module Sensor 1K0955557B
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Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Mercedes-Benz E W210 Estate CDI Gearbox Control Module Unit ECU A0305454932
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BMW 1 3 F20 F30 LCI 120dX 320dX B47 Engine Wiring Cable Loom Harness 8595285
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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Volkswagen Golf Mk8 Audi Q2 GA A3 8V 8Y 1.5 TSI Alternator 14V 140A 05E903026K
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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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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Mercedes W212 Becker Navigation Map Pilot Control Unit Module A1669008808
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Audi A5 F5 Sat Navi MMI Multimedia Radio SD Reader Head Unit Harman 8W5035035C
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Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key + Lock
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Mini One R56 N12 1.4 95HP Engine Control Unit Module ECU DME 7600020 Automatic
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Audi A7 4G8 Westfalia Towing Hitch Module Control Unit 506737
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Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095D
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Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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Audi S3 8P 2.0 TFSI BHZ 265HP Engine Control Module ECU 8P0907115H Manual
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Mini R60 Cooper SD N47N 2.0 143HP Engine ECU Kit DDE 8583423 CAS3 Key Manual
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Audi A4 B9 2.0 TDI DTNA 163HP Engine Control Unit ECU 05L907309 Automatic
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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BMW F01 F02 F10 F11 CD Radio Head Unit CIC 9289247
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Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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BMW F20 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9341082
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Seat Ateca FR 2.0 TDI Engine Alternator Generator Valeo 14V 140A 04L903021D
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BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module 8643126 Automatic
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Mini Cooper S R53 Positive Battery Cable Plus Pole Wire 1508931
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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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Audi A1 8X Fuse Relay Box Electrical Control Unit Module 8X0937124
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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BMW F46 220dX B47 190HP Engine Control Unit Module ECU DDE 8589145 Automatic
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Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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Part no. A2215402250
Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2215402250
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
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Peugeot Expert Citroen Berlingo Diesel Engine Alternator Generator 5705AS
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BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9147869
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BMW 1 Series F20 F21 318d N47N 116HP ECU Kit DDE 8517874 + Key + FEM Manual
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BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005903
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Mercedes W245 Front Bumper PDC Parking Distance Sensor Comet Grey - 748
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Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Volkswagen Polo 6R BCM Body Comfort Control Module Unit ECU 6R0937085B
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Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324
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BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base B 3453587
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Mini Cooper S R53 W11 170HP Petrol Engine ECU Kit DME 7542310 EWS3 + Key Manual
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Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Key Lock
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Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Part no. 8573258-1
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Part no. 03D906023Q
Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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BMW 5 Series E60 Light Control Module Unit Lear LM E6X MAN LWR 6936101
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Audi A3 S3 RS3 8Y Online Service Control Module Unit 8Y0035282B
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Mercedes W118 W177 W247 Front Radar Distance Control Unit Module A0009056121
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
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Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
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Skoda Octavia II Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156F
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Module BMW E82 Junction Box Body Comfort Control Unit 9286780
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Mercedes S204 Module Control Unit Trunk Lid Rear Tailgate Lift A2048702826
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Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
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Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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Audi A4 B8 A5 8T Parking Distance Control Module Unit ECU 8K0919475H
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Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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Mercedes C219 Gearbox Electronic Control Unit Module A2115406445
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Seat Ibiza IV Multimedia Radio Sat Nav CD Player Head Unit 5QA035858A
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Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P
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BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Vauxhall Corsa D 1.3 CDTI Z13DTH Diesel Engine Control Unit Module ECU 55568385
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BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
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BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Pioneer SPH-DA120 Head Unit Apple Carplay Android Auto Bluetooth Media Player
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Mercedes W447 W907 W910 Engine Control Unit Module ECU A6549009400
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BMW F83 Camera Kafas Front Windscreen Camera 9281714
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Mercedes R171 Convertible Roof Top Control Unit Module ECU A1718204226
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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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 .