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. 9282022
BMW Z4 E89 Central Information Display Dash Screen Navigation Monitor 9282022
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BMW F13 M6 NBT EVO HU Multimedia MMI Sat Nav Display CD Player Head Unit 2448971
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PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366
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BMW E60 E61 MINI R50 Rear Bumper PDC Ultrasonic Sensor Hyper Blue
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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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BMW F10 Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9291450
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Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
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Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P
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Audi Q5 8R 2.0 TDI Alternator Generator 14V 180A Valeo 03L903016A
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BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
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Mercedes Vito W639 2.2 CDI 651.940 4-Matic ECU Kit Engine A6511501879 Key Lock
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Citroen Relay III Air Module Sensor Control Unit ECU 12V 46859297
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BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Mercedes W177 Glow Plug Relay Preglow Module Diesel OM654 A6549009900
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Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213
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Ford Transit MK7 Battery Holder Bracket Mount Strap Clamp 6C1T10A721AB
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BMW 3 Z3 Series E36 Electrical Fuse Relay Box Storage Trim 1387614
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Mercedes W204 Navigation Radio Player Head Unit Hazard Seat Switch A2049009907
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Mercedes W447 Door Module Front Left Control Unit A4479007906
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Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
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Engine Wiring Renault Trafic 2 Loom Module Harness Cable 275850906R
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Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
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BMW E93 Convertible Rear Bumper PDC Cables Wiring Loom Set 9133625
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VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
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Audi A5 8T Steering Wheel Air Module Driver's Side 8E0880201DH
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Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
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Engine Wiring BMW i3 I01 Hybrid Rex Sensors Cable Loom Harness 7647591
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Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187
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Mercedes EQA H243 Relay High Voltage Performance DC 250 A Contactor A7899823000
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BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
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Part no. ROAD-TOP-DECODER
Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit
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BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373
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Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
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BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420
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GPS Navigation Unit BMW E38 E39 E46 X5 E53 System Computer 6920759
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Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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Mercedes W202 A208 C208 W208 W210 Fuse Box Relay Control Unit A0005400072
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Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3456587
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Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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BMW G20 Radio Audio Amplifier Remote Receiver Control Module Unit 5A4CE55
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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BMW E60 E61 E65 E66 Seat Control Module Ecu Sensor 6927275
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BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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Mercedes C118 W177 W247 Battery Box Trim Housing Cover Support A1776204201
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Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040
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VW Golf VII 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
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BMW E65 E66 E67 Diversity Antenna Tuner Amplifier 9131151
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Part no. 8626086
Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Signal Control Module Mini R50 R52 Automatic Gearbox Transmission EGS 7578242
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
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Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992
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Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Mercedes C207 Cable Wiring Power Steering Rack Loom Harness A2045400010
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F
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Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
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Earth Ground Cable BMW F10 N47N Diesel Battery Cable Engine Wiring 8517616
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BMW X5 F15 X6 F16 30dX N57N 258HP Engine ECU Kit DDE 8586540 BDC Key Automatic
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Part no. A2045458201
Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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Volvo V70 2.4 D5244T4 Diesel Engine Control Module ECU 30729826A Automatic
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Mercedes W207 Connection Media Interface Cable AUX Wire A0018276604
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Land Rover Range Rover Sport L320 Air Suspension Valve Block Module RVH000055
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Part no. 9222861-1
BMW E87 E90 LCI CIC Sat Nav Screen Navigation Professional 9222861
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Mini Cooper S R53 W11 170HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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Mini F55 Petrol Engine ECU Control Module Unit 6821977
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Part no. 9119496
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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BMW E60 E63 Body Control Module ECU Control Unit 9136039
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Audi A1 S1 8X Fuse Relay Box Module Unit 6C0941824D
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Mercedes W202 W210 Front Left Door Control Module A2108207526
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BMW 1 Series E82 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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Audio Amplifier BMW F20 F21 F22 F23 Top HiFi Harman Kardon Control Unit 9343739
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Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA BCM2 Key Ignition
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Audi A5 8T Front Driver Site Module Control Unit Seat Adjustment Seat 8K0959760D
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BMW X5 E70 Seat Control Unit Module Front Left ECU 9264976
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BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279
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Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243
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Fuse Box Mercedes Sprinter W907 Prefuse Box Module F150/1 - MFB-1 A9075406960
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Manual
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Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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Mercedes W203 Kompressor M271 Positive Battery Cable A2035400330
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Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
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BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421
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Part no. 8588898
BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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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 .