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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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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BMW E87 E90 Radio Business CD Player Audio Control Unit E81 E91 9200101
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BMW Z4 E89 LED Footwell Control Module ECU 9286885
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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BMW E90 ECU Body Control Module H1 61356983302 6983302
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Ford Transit Connect 1.8 Diesel Engine Control ECU Module Manual 4S4112A650BC
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Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661
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Mercedes ML W164 W251 Air Module SRS Control Unit ECU A1648207426
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BMW E60 E61 E65 Compact Alternator Generator Valeo 170A 7792072
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Seat Control Unit BMW X5 E70 E87 E90 E91 E92 Module Memory ECU 9162959
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Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900
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Audi A3 8V Engine Starter Motor Actuator Starter 0AM911023G
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Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323 Set X2
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9868386
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283526
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VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284B
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
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Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
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Citroen Dispatch Jumpy III 9HM DV6UC 1.6 Diesel Engine Module ECU 9807885980
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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Mercedes C238 Headlight Ballast Control Unit Module A2229000821
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Audi A3 8V Door Wiring Harness Loom Rear Left N/S 8V5971687K
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Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519003203 Manual
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VW Polo 9N MK4 Fabia II 1.4 TDI BMS Alternator Mount Support Bracket 038903143AG
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9221110
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Mercedes X253 GLC 300e M274.920 4-Matic Engine ECU Unit Module A2749002900
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Audi Q7 4L Quattro Audio Sound BOSE Amplifier Stereo System Module 4L0035223D
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BMW X6 Series E71 Aerial Antenna Amplifier Diversity 868 MHZ 9130157
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Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417
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Volkswagen New Beetle Steering Wheel Air Module Driver's Side Black 1C0880201M
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Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AC
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BMW F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
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Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Mercedes-Benz A E M Class W163 W168 W210 CD Player Audio 10 Stereo Radio Unit
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Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
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Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
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Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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BMW 5 6 Series E60 M5 E63 M6 Rear Right O/S Brake Disc Protection Plate 6754630
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Volkswagen Sharan 7N Engine Starter Motor Lucas 02E911024CX
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Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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Junction Box BMW X1 E84 ECU Body Control Module H2 PL2RR JBBFE IIIR 9267205
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Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
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Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 5-8 Loom Valve Ignition 7856775
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BMW E60 E61 E63 E64 6-disc Compact CD Changer with Magazine 6956939
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Mercedes R171 Door Control Module Front Right O/S A1718206226
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BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
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Mercedes ML W164 C209 W211 C219 AMG Fuel Pump Control Module A0355400145
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BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130
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Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926
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Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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Mini Cooper R60 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847
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BMW 3 Series 2 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic
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Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A
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Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 7938196
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Mercedes Vito W447 Negative Battery IBS Cable Wiring A4479050004
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BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872
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Amplifier BMW F30 F31 F32 Top Hifi Audio Sound Amplifier Harman Kardon 9366164
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690
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Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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Citroen Relay Peugeot Boxer Fiat Ducato Fuse Box Control Unit 1367661080
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Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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Switch Cluster BMW E82 E88 E90 LCi Cruise Control Stalk Unit 9110882
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Iveco Daily MK3 Starter Motor Engine Diesel Bosch 504086888
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Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
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BMW G20 Radio Audio Amplifier Remote Receiver Control Module Unit 5A4CE55
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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 .