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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Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
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BMW E81 E87 LCI Board Monitor Central Information Display 6,5" 9193753
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Audi A1 GB Seat Ibiza FR Alternator Generator 140A Petrol 1.0 TSI 05E903026Q
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Ford Focus MK2 Mondeo MK4 1.8 TDCI Glow Plug Wiring Loom Cable Wire 4M5Q6M091AB
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Audi A5 8T 2.0 CNCD Petrol Starter Motor 06H911024B
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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Volkswagen Audi Skoda Windscreen Rain Sensor Control Unit 81A955559A
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Audi S5 8T Gateway Control Unit Module ECU 8T0907468P
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Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B
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Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214
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Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
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Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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Mercedes W166 Tailgate Control Module Unit A1669006311
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Mercedes W639 Automatic Gearbox Control Unit Module ECU A0005458416
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BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
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Mercedes GLA X156 Central Display Infotainment Sat Nav Media Screen A1669008222
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VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
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VW Volkswagen Sharan 7N Driver's Side Door ECU Module Control Unit 7N0959793F
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114
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Audi A5 8F Convertible Folding Roof Module Control Unit 8F0959255
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BMW E81 E87 E90 LCI Professional Navigation System Car Computer CIC 9198826
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Peugeot 307 Citroen Berlingo C4 Glow Plug Wiring Loom Cable Wire 9657700780
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Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409
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Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382
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Audi A4 A5 Q7 Rear Bumper PDC Parking Sensor Ibis White - Y9C 420919275
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BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450937
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BMW X1 E84 18dX Diesel N47N 143HP Engine Control Unit ECU DDE 8519005 Manual
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BMW 3 Series E90 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
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Headlights Control Module BMW E81 E82 E87 Adaptive Xenon Unit ALC 7171789
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Sat Nav Audi S8 D3 A6 C6 DVD Drive Navigation Control Unit 4E0919887M
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
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BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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Peugeot 207 Negative Battery Terminal Cable Wiring Electrical Cable 9665205380
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Manual
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284B
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BMW E90 E92 335i Petrol N54 306HP ECU Engine Unit Module DME 7586933 Automatic
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Mercedes W211 S211 Airbag System Control Unit Module ECU
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Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
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Mercedes W210 Petrol M112 Automatic Transmission Control Module A0245458432
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021
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Ford Mondeo Mk4 Alternator Bracket 2.0 TDCi Mount Support AG9Q-10K019-AB
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Part no. 9362395
BMW F20 F30 F31 F34 Electrical Body Control Unit Module REM V2 9362395
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BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic
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BMW 1 3 Series E87 E90 Power Distribution Fuse Box Front 6906611
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Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Mini Cooper One R50 R52 Fresh Air Recirculating Actuator 1167294 6NN007626
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BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
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BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
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BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 CAS3 + Key Automatic
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-AB
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Engine Wiring VW Polo 9N 1.4 TDI Injector Ignition Loom Harness Cable 045971803
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Audi A3 8P Boot Trunk Subwoofer Rear Bass Speaker 8P3035382E
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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BMW X5 E70 CAS3 Key Reading Module Unit Control ECU 9278746
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Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
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BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9159034
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7304626
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BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
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Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104
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BMW X5 Series E53 PDC Parking Control Module Unit PDC 4104215
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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 .