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. 8K0919475
Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475
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Air Module Sensor BMW E60 E61 E63 Left B-pillar N/S 6974364
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Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
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BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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Mini Cooper S ALL4 R60 N18 Engine Unit ECU Kit DME 7639049 CAS 3 Key Manual
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BMW 3 Series E93 Negative Battery Lead Cable 7599959
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Audi A5 8F 2.0 TDI CGLC 177HP Diesel Engine Control Unit ECU 03L906018JG Manual
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Mercedes ML W164 Rear SAM Module Control Unit Fuse Box A1645400701
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BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
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Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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Audi A3 8P Stereo Radio Audio CD Player Head Unit 8P0035152E
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Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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Mercedes C253 Electronic Control Unit Module A2539003001
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BMW 3 5 E60 E61 E90 LCI 1 Display Screen 8.8" Monitor Sat Nav 9193745
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BMW E60 LCI E61 Map Fuse Box Grouping Diagram Card 9156547
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Radio CD BMW E81 E87 E90 E91 E92 LCI Professional DAB 9243925
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Mercedes Vito W639 Positive Battery Terminal Cover Cap Trim Red A6395450191
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BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9119428
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BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861
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BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728
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Audi A4 B8 A5 8T 2.0 TDI Diesel Engine Starter Motor Assembly Unit 03L911024A
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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Mini F56 Module Active Sound Design Audio Control Module Harman Becker 9363496
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Audi A4 B7 2.0 TDI Negative Battery Terminal Earth Cable Lead 8E1971235L
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Mercedes W176 W246 Display Screen Radio Navigation Sat Nav Unit A2469007018
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BMW E60 E90 N52 325i 525i 218HP Engine ECU Kit DME 7555361 CAS2 Key Automatic
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Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
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Part no. 7520019-12
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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BMW E34 E36 E46 316i 318i 518i Ignition Coil Control Unit Module 1247281
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Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE CAS3 + Key 8512047 Automatic
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BMW E60 E61 LCI Front Cables Set Wiring PDC Parking Sensor Bumper 9122274
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Part no. 6973114
BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114
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Part no. A9075404687
Mercedes W907 Battery Cable Alternator Wiring Loom Harness Cabling A9075404687
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Part no. 059903023BX
Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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Part no. 7570488-3
Mini Cooper 3 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Lucas 7570488
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Mercedes W221 Bluetooth Hands-free Mobile Phone Adapter A2218201811
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Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
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Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826
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Ford Focus Diesel Engine Alternator Generator Engine Unit 8V21-10300-AB
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BMW G11 G12 G30 G31 Battery Cable Plus Pole Power Positive Wire Red 9350064
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Audi A3 8V Heater Blower Motor Fan Resistor 5Q0907521D
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2049009701
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Mercedes W177 W247 Driver's Seat Heating Control Unit Module ECU A1679000500
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Volkswagen VW Golf IV Body Control Module BCM Comfort Control Unit 5DK008214
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Part no. 6905668
BMW X3 X5 E39 E46 E53 E83 Mini R50 R52 Control Unit Control Unit EWS3 6905668
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AUDI S8 D3 Access Start Comfort Kessy Control Module 4E0907181A
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Mini Cooper One R50 W10 Battery Cable Wiring Plus Pole 7515197
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BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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Mercedes W212 Fuse Box Front Relay Control Unit Module SAM A2129009025
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Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
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BMW E60 Air Module Control Unit Gateway Sensor B Pillar Right O/S 6942100
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BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9262361
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Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718
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BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Radio Player Mercedes-Benz W204 COMAND Navi CD Head Unit A2048700594
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Part no. 3450756
Mini Cooper R55 R56 Harman Becker Hi-Fi Audio Speaker System Amplifier 3450756
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Yaw Sensor Mercedes W203 W209 ESP Rotation Rate Control Unit Module A0035423918
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Part no. 3452677-2
Mini Cooper Cabrio R57 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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Part no. A2215400901
Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901
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Part no. A2215450001
Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001
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Part no. 038907281D-1
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
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Part no. 3AA919475N
Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
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Part no. 03G906021PD
VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Part no. A2219007301
Mercedes W221 Front Door Control Left N/S Module Unit ECU A2219007301
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AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441
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BMW 5 Series E61 LCI Light Control Module Unit Lear LM II E6X LWR 9180756
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Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Part no. 9216337
BMW F20 F21 Amplifier Holder Audio Catch Bracket Trim Panel 9216337
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Part no. A0009060205
Mercedes W213 C238 Petrol Alternator Generator A0009060205
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Audi A6 C6 Adaptive Suspension Software Module Control Unit ECU 4F0910553D
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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BMW 3 Series E90 LCI ECU Body Control Module H3 Junction Box 61359253484 9253484
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BMW 5 Series E39 6-disc CD Changer Without Magazine 8361584
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BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
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BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549B
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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Mercedes A209 CLK200 K M271.955 Engine Control Unit ECU Kit A2710107344 Key
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BMW F23 Cabrio Convertible Folding Top Module CVM 8 Unit 9378072
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Audi A6 C6 Diagnostic Interface Gateway Module ECU Control Unit 4F0907468M
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872
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Audi A6 C6 Alternator Main Cable Wiring Harness Loom 8K0971228AJ
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Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
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BMW E46 E39 E53 E83 E85 Switch Unit Steering Column 8377488
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Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200089
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Part no. 7619335-2
Mini Cooper R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 Key Manual
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Part no. A1715451332
Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332
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Part no. 31100-PWA-004
Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004
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Mercedes W204 C180 BlueEFFICIENCY M274.910 Engine ECU Kit A2749000700 Key
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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 .