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. 7601189
BMW Mini Cooper R55 R56 LCI N16 Engine Wiring Loom Injection Ignition
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Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600
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Ford Fiesta Mk7 Battery Box Tray Housing Holder Bracket 8V21-10718-AD
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Gearbox Module Mini F55 F56 F57 Automatic Basic Control Unit EGS 8608020
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Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932
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Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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Screen Ring Mini F55 F56 F57 Navigation Display Head Unit Trim Cover 9843968
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Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002
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Renault Master III Engine Alternator Mounting Bracket Carrier 8200803443
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Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine Control ECU Kit 03E906019M Manual
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Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654
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Skoda Octavia 3 5E Front Bumper Wiring Harness Loom 5E0971095CN
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Audi A3 8V Body Control Comfort Unit Module BCM Unit ECU 5Q0937084AJ
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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Volkswagen Golf Mk5 Fuel Pump Control Relay Module Unit ECU 12V 1K0906093D
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Mercedes W221 Door Module Front Door Left N/S Control Module A0038206326
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BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
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Audi Q2 GA Online Services Control Module ECU Control Unit 5WA035282
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Mini One R56 LCI R60 N16 98HP Petrol Engine ECU DME 7607685 Control Unit Manual
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Mercedes C140 W202 Engine Cooling Radiator Fan Control Unit Module A0165459632
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Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501
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Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
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Airbag Module Citroen Berlingo Peugeot Partner Air Bag Control Unit 9803916880
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Ford Galaxy Mk3 Door Module Front Left N/S Control Unit ECU 6G9T-14B533-GL
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VW Golf Mk5 Steering Angle Steering Wheel Column Control Module ECU 1K0953549AE
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Alternator Mini R55 R56 R57 R57 R58 LCI Generator Petrol 7574365
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Distributor Box Mercedes W204 W207 W221 Connector Block Control Unit A0045467640
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Loudspeaker BMW F20 F30 Top-HiFi Door Speaker Tweeter Set Harman Kardon 9226357
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Volkswagen Golf MK7 Audi A3 8V Body Control Comfort Unit Module BCM 5Q0937084AG
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Tailgate Smart BMW F10 F30 F34 Mini F54 F60 Opener Control Unit Module 7491439
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BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Kia Sportage 3 1.7 Diesel Engine Starter Motor Denso 36100-2A550
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7610011 Manual
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Audi A4 B8 Radiator Fan Relay Radiator Electrical Module Control Unit 8K0959501E
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Ford Mondeo Mk4 Positive Plus Battery Wiring Harness Cable 8G9T-14A280-PAF
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Audi Q7 4L On Board Onboard Supply Module Control Unit ECU 4F0907280B
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Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
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Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211
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Mercedes W213 S213 Multimedia USB SD Card Reader Port Socket Module A2058200526
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Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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Mini F55 F56 EVO HU Head Unit Basic Media Navigation Headunit Module 6819426
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Mercedes W204 Fuse Box Relay SAM Control Unit Module A2129005912
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Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914
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VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
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Audi TT 8J Radio CD Player Professional Audio Concern Head Unit 9199439
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BMW F45 F46 F48 ECU Body Domain Controller BDC Control Unit Module 5A402E6
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MINI Cooper R52 R53 W11 170HP Engine ECU Control Unit DME 7545789 Manual
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Ford Transit Connect Negative Battery Terminal Cable Wiring 9T1T-14A280-MBC
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BMW F20 F21 LCI F30 F31 F32 F13 Electric Coolant Fan Motor Relay 130A 6836504
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BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
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BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
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Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232
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Mercedes W164 W212 Alarm Sensor Warning Buzzer Module Unit A1648220230
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BMW X3 F25 30dX Diesel N57N 258HP Engine Module ECU DDE 8577839 Automatic
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BMW E82 Coupe ECU Body Control Module Junction Box L1 PL2 JBBFE II 9177978
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Mercedes-Benz M ML W163 Battery Positive Cable Wiring Connector A1635400269
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Engine Wiring BMW F20 F21 F30 120dX 320dX N47N Loom Harness Cable Module 8586168
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Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910
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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169
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BMW 3 E46 N42 316i 318i Petrol Engine Alternator Generator 110A Valeo 7521382
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BMW 1 Series E87 Footwell Light Module ECU Control Unit NSW PL2 FRMFA 6956586
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Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626
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Mercedes W207 Telematic Communication Control Unit Module A1669005517
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BMW 1 Series E87 LCI ECU Light Module Control Unit PL2 FRM II Lear 9204525
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Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
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Engine Wiring VW Polo 9N 1.4 TDI Injector Ignition Loom Harness Cable 045971803
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Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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BMW Mini Cooper R55 R56 RGB Cabel Radio Display LVDS Cabel CCC KKB 9114920
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BMW X6 E71 Antenna Amplifier Diversity Control Unit Module 868 MHZ 9130160
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Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372
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Mini Cooper One 1 R55 R56 R57 Radio Boost CD Player Head Unit 3452681
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Ford Fiesta Mk7 Bluetooth Voice Box Control Module Connectivity CS7T-14D212-AD
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Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
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CD Radio Mercedes W639 W906 Audio Stereo Head Unit A6398200186
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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 .