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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Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
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Mini One R50 W10 90HP Engine Control Unit ECU Kit DME 7545789 + EWS + Key Manual
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Central Gateway Module BMW F10 F11 F12 ECU Control Unit Lear ZGW-02 High 9284420
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Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Keys Automatic
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Air Bag Module BMW E65 E66 Control Unit ECU Gateway Airbag Lear 6960943
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
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Display Screen Mercedes C253 Vito W447 W448 Head Unit Touch Monitor A2539005009
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Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Mercedes W212 Valve Block AMG Air Suspension Control Unit Module A2123200558
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VW Volkswagen Sharan 7N 2.0 TDI 140HP CFFB Engine ECU Kit 03L906018HJ Key Lock
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Audi A4 B8 Door Wiring Harness Loom Front Left N/S Cabling 8K0971030M
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Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585
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Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R
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Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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Audi A4 B8 A5 8T Radio Media Player Audio CD Head Unit Player Concert 8T2035186C
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Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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BMW 3 5 X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182 DAMAGE
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Mercedes W203 C240 M112.912 170HP Engine Control Module Unit ECU A1121535479
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Mercedes-Benz W168 A140 82HP Engine Control ECU Kit A1685453532 + 2 Keys Manual
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Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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Gateway Module Mercedes W211 Control Unit ECU A2115408545
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Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
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Nissan Qashqai Diesel Engine Control Unit ECU Module 23710 JD78D 0281014361
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Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600
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Vauxhall Combo Fiat Punto 1.3 Diesel Starter Motor 51810307A152
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Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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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 X3 E83 Positive B Battery Terminal Point Case 8387540
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
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Mini Cooper Cabrio R57 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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Mini Cooper One R56 R57 LCI Amplifier Hifi Harman Kardon 9217877
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Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726
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BMW F30 330e HV Accumulator Battery Clamp Pyro Fuse Auxiliary Connector 9343605
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Body Control Module BMW X5 E70 ECU Junction Box LOW PL4 JBBFEII 2 9138471
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BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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Mercedes W212 Front Air Vent Centre Cable Wiring Dashboard Loom A2124404250
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Mercedes W169 A180 266.940 Engine Control ECU Kit A2669000200 Key Lock Automatic
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Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Audi Q5 FY Battery Positive Cable Clamp Control Module Terminal 80A915459
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Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Rear Bumper PDC BMW E65 E66 Front Ultrasonic Sensor Schwarz 2 Black 668
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Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201
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CD Changer BMW E65 E66 6-fold CD Disc Changer Without Magazine 9143440
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Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645402601
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BMW F20 F21 M135i N55 231HP Petrol Engine Control Unit ECU DME 8626472 Manual
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BMW X5 E70 Footwell Light Module Control Unit ECU VDM PL4 FRM II Lear 9176826
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Audi A4 B9 Tow Bar Trailer Towing Control Module Unit 4E0907383J
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BMW X4 F25 F36 F85 F15 Shark Roof Fin Antenna Aerial Module Unit 9291486
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Part no. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
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Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515
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VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7584113 CAS3 + 2 Keys Manual
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Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6971958
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Mercedes Sprinter W907 311 CDI 651.958 114HP Engine Control Unit ECU A6519007103
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BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
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Peugeot 3008 Head-Up Display Hud Project Dash Screen Control Unit 96665877ZD
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BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
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BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys
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VW TOURAN 1T Steering Angle Steering Wheel Column Control Module ECU 1K0953549AF
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Honda Civic Starter Motor Actuator Unit 12V 31200-PSA-J52
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BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
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Citroen Relay III Air Module Sensor Control Unit ECU 12V 46859297
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BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
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Mercedes W213 Front Left N/S Door Electrical Wiring Harness A2135407144
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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Mercedes W221 S500 M273.961 388HP Engine Control Unit ECU Kit A2731532979 Key
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Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
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BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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Part no. 6C1T-14B056-AD
Ford Transit Mk7 Airbag Module ECU Control Unit Air Bag 6C1T-14B056-AD
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Volkswagen Polo MK5 6R 1.2 TDI CFWA Engine Unit Module ECU 03P906021A
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Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
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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 .