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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Alternator Starter Wiring Harness Mercedes W205 GLC C253 OM651 A2055403103
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU Kit DME 7634297 Manual
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Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
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Mercedes-Benz C CLK W202 W208 Left N/S Parking System Warning Display Screen
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Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Mercedes ML W166 SAM Module Control Unit ECU A1669003712
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Seat Ibiza KJ1 VW Polo MK6 Online Services Control Module ECU Unit 2GA035284A
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual 7T11-12A650-HE
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BMW Z4 E85 2.5i Engine M54 192HP Engine ECU Kit EWS3 + 2 Keys 7527072 Manual
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Starter Motor Mercedes C118 W177 C247 Petrol OM282 Starter Motor A2829062000
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Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
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BMW Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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Transmission Wiring BMW F20 Petrol N55 Automatic Gearbox- Engine Harness 7599378
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BMW X5 F15 M50d N57X 381HP Engine Control Unit ECU DDE 8473191 Automatic
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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BMW F20 F30 F36 Front Electronic Module Control Unit FEM 9381102
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Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
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BMW Mini Cooper Clubman R55 R56 0,95 KW Engine Starter Motor 7582309
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Windscreen Camera Mercedes W207 W212 W246 Front Control Unit Module A0009008905
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Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
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Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
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Mercedes Sprinter W906 OM651 Engine Wiring Harness Cable Loom A9065402727
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MINI Cooper R50 W10 116HP Engine ECU Kit Module DME 7553735 + Key + EWS Manual
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Audi A5 8T Dynamic Active Steering Module ECU 8K0907144E
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BMW F30 LCI 330e Petrol B48X Engine Control Unit ECU DME 8689762 Automatic
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Left A2108206526
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Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
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Audi A5 8T 1.8 TFSI CJEE 177HP Engine ECU Kit Ignition Key 8K0906264C Automatic
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Audi A7 4G Head Up Display Screen Projector Dashboard Car System HUD 4G8919604L
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Mercedes C118 W177 W247 Battery Terminal Limiter Bracket Unit A2479067502
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Seat Leon 5F VW Golf Mk7 Alternator Wiring Harness Loom Cable 5Q0971230AQ
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Seat Module BMW E60 E61 E65 E66 Front Control Unit ECU 6927313
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Mercedes X253 Central Control Unit Electronic Module A2139006633
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Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
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Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
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Volkswagen New Beetle Convertible Roof Control Module Control Unit 1Y0959255C
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Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
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Audi A4 B9 A5 F5 Power Steering Column Control Unit Module 8W0419065D
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BMW X3 Series E83 LCI 2.0d N47 Engine ECU Kit DDE 8506356 + EWS4 + Key Manual
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Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
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Ford Transit Connect Door Module Front Left N/S Control Unit ECU F1ET-14F142-BC
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Airbag Module BMW E65 E66 Sensor Driver's Side Air Bag Control Unit 6960223
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Seat Ibiza KJ1 Keyless Go Control Unit Module ECU 3Q1959435C
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BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module
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Volkswagen Polo 6C Body Sound Impact Control Module ECU 6C0907159B
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Mercedes C CLC Class CL203 W203 Rear SAM Unit Fuse Box Trim Cover A2036901430
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BMW X3 F25 X4 F26 Earth Ground Cable Line Strap Battery Lead 7621063
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Alternator Volkswagen Transporter T5 2.0 TDI Diesel Engine 110A Bosch 06F903023L
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Kia Ceed Sportage Hyundai Relay Unit 5 Pins 30/20A Blue 95225-1F100
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Mini Cooper R55 R56 N12 1.6 120HP Petrol Engine Control Unit ECU Manual 7600019
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BMW 3 5 Series E34 E36 Hazard Warning Relay 1388533
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Mercedes-Benz C CLK W202 W208 Gearbox Control Module Bracket Holder A2085400073
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
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Engine Wiring BMW i3 I01 Hybrid Rex Sensors Cable Loom Harness 7647591
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BMW U06 Positive Power Cable Harness Wiring Underfloor Lead 5A83C36
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BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
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Ford Transit Connect Door Module Front Right O/S Control Unit ECU F1ET-14F144-BC
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BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702
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Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545
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Porsche Macan 95B Start Stop Voltage Stabilizer Converter Module 8K0959663H
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Engine Wiring Mercedes W204 W212 M271 Petrol Harness Loom Cable A2711504233
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Peugeot 207 Airbag Module ECU Control Unit Sensor Air Bag 9663593380
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Exide Battery Excell EB620 62Ah 540A Accumulator
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Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 Key EWS
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Parktronic Mercedes C118 C167 W177 W247 Parking Control Unit Module A0009000646
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Volkswagen Golf SV 1.5 TSI DADA Automatic Engine Wiring Harness 05E972627B
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BMW E60 LCI E81 E90 E91 Petrol Alternator Generator Bosch 180A
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Audi A8 D4 Battery Starter Alternator Harness Wiring Cable 4H0971224
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Display Screen BMW i3 I01 Central Information 10,25" Control Unit Module 9306743
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BMW X5 E60 E61 E65 E70 Front Left N/S Seat Height Adjustment Drive
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Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
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Mercedes SLK R171 Rear Bumper PDC Wiring Loom Parking Sensor Cable A1715403932
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Battery Clamp BMW F30 F31 F32 F80 Safety Positive Plus Pole Red 9208241
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BMW X3 F25 X4 F26 N57 Fuel Injection Line Wiring Loom Harness Cable 8507949
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Mercedes W221 Prefuse Fuse Distribution Box Unit Front A2215401250
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VW Volkswagen Golf Mk5 Sunroof Sliding Roof Drive Unit Motor Actuator 8D0959591C
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Renault Trafic II CD Radio Audio Player Stereo Head Unit 281150049RT
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Volkswagen Golf MK6 Parking Sensor Wiring Rear Bumper Loom Cable 03L972619BA
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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 .