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. A1695420018-HBL
Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
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Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326
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Head Unit Kia Ceed MK1 ED SW Radio CD Player MP3 RDS Unit 96160-1H000
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Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
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Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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Mercedes ML W164 Diesel Engine Starter Motor A0061516101
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Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 8200935115 Manual
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Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 9645100680
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Mercedes-Benz S-Class W220 Aerial Roof Antenna Shark Radio A2208201475
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Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330
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Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930
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Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450
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Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064EB
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Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620
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Audi VW Golf MK5 Seat Skoda 1.9 TDI Alternator Mount Support Bracket 038903143AF
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Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
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Mercedes W221 Rear Armrest DVD Player Control Headunit A1669062300
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AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874
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Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key
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Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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BMW F20 F21 Amplifier Holder Audio Catch Bracket Trim Panel 9216337
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Air Module Mercedes W210 SRS Control Unit ECU Control Module A0028203226
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BMW E93 Hifi System Amplifier Sound System Amp 9145162
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Mercedes C238 Headlight Ballast Control Unit Module A2229000821
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BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427
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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247
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Peugeot 207 CD Player Radio Stereo Audio Head Unit 96639628XT00
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Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Mazda 6 GJ Engine Starter Motor 2.2 Diesel M001T81582
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Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC
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Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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BMW Z4 E85 E46 Hall Effect Switch Cable Microswitch 8236846
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Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
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Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126943437 6943437
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BMW X5 E70 Footwell Light Control Module Unit LEAR PL4 FRM II 9176824
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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BMW 3 5 Series E39 E46 Airbag Control Unit Module 8372521
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Mercedes W203 C240 M112.912 170HP Engine Control Module Unit ECU A1121535479
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Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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Mercedes ML W166 Fuse Box Electric Distribution Control Module A1665460143
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Starter Mercedes W177 W247 C118 1.5 OM608 Diesel Starter Motor A6089060100
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Audi A4 B8 Petrol Engine Starter Motor Actuator 1.8 2.0 TFSI 06H911021D
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009
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BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Wiring Harness BMW F10 F11 Front Bumper PDC Wiring Loom Cable 9241694
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BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728
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Battery Cable Mercedes W176 W246 Negative Harness Lead Terminal A2469069600
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Part no. 3451405
Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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Ford Transit Mk7 Airbag Module ECU Control Unit Air Bag 6C1T-14B056-AD
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Part no. A0009821923-1
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relays Set A0009821923
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Part no. 9271376
MINI Cooper One Clubman R55 LCI Rear Bumper PDC Cables Wiring Loom Set 9271376
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Peugeot Boxer 2.2 HDI Diesel Engine Wiring Cable Loom Harness BU3T-12B637-CCB
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Renault Master 2 G9U 754 2.5 dCi Diesel Engine Unit ECU 8200311550 Manual
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Mini Cooper S R55 R56 LCI Engine Wiring Injection Loom Harness N18 8605894
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BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36
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Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181
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BMW F20 F21 F22 Body Control Module Unit FEM 8707679
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BMW X5 Series E53 Radio BMW Business Cassette Player 6918871
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BMW X1 F40 F48 Mini F54 F60 USB Bush Dual Double Socket Plug 8711938
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BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic
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Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F
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Mercedes R171 Front Module Door Left N/S Control Unit A1718200726
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BMW E93 LCI ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9298947
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147226
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Fuse Box Mini R55 R56 R58 1 Electrical System Distribution 9213372
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BMW E82 Amplifier Hifi Audio Speaker System 9164379
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Mercedes R172 R231 Headlight LED Ballast Control Unit Module A1769009203
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BMW 1 Series E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240523
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Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450543
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Piaggio X8 X9 Vespa Granturismo Immobilizer Module Control Unit CDI 58054R
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Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
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BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + 2 Keys
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Volkswagen Golf 7 1.6 TDI CLHA 105HP Engine ECU Kit 04L907309B Key + Ignition
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Mini R55 R56 R57 Flat Cable Wiring Wire CAS 9158040
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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BMW E60 Light Control Module Unit Lear LM II E6X LWR LCM 9137775
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Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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Mercedes W211 Automatic Gearbox Transmission Module Control Unit ECU A0355454232
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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 .