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. 6945155
BMW 5 6 Series E60 E61 E63 Left B-pillar Airbag Sensor N/S 6945155
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Airbag Module Mercedes W207 C207 Coupe Air Bag SRS Control Unit ECU A2079014200
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 8SK 9380333
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Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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Audi A4 B7 Window Antenna Amplifier Module 8E5035225D
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Audi Q7 4L Air Suspension Module Regulation Control Unit 4L0910553H
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Mercedes W639 OM651.940 113 CDI 136HP Engine Module ECU A6511501879 Automatic
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BMW X5 E70 CD Player Head Unit CIC DAB Professional Navigation Sat Nav 9257200
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Mercedes W207 Seat Adjustment Motor Front Seat Actuator Unit 0390203330
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Air Module BMW F20 F21 F30 F31 F32 F36 ECU ICM Plus SRS Control Unit 6868255
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Wiring Harness Mercedes Vito W639 Boot Tailgate License Plate Lamp A6394401613
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Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6947795
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BMW 1 Series E90 Footwell Light Control Module (LCM) NSW 6987997
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VW Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750EE
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Audi S3 8V Central Gateway Control Unit Module Relay ECU 3Q0907530G
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BMW E60 Light Control Module Unit Lear LMF6X 9116260
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Audi A5 8T Front Door Control Module Left N/S Driver's Side Unit 8T0959793M
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Audi TT FV Dashboard Sat Nav Drive Unit MMI Multimedia Infortaiment 8S0035072A
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Relay Mercedes E200 S124 Petrol M111 Overload Protection Relay A2015403245
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Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627Q
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Mercedes W204 W176 W212 Tyre Pressure Monitor Control Unit Module A0009008402
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Mercedes W221 Rear SAM Fuse Box Power Distribution Control Unit A2215403050
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Seat Leon 1P 1.2 TSI CBZB 105HP Engine Control Module ECU 03F906070CH Manual
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 6927704
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BMW F07 GT F10 F11 Hands Free Telephone Microphone Black 9181411
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Stereo DAB Radio Audi A4 B8 Q5 8R CD Player Radio Receiver Head Unit 4G0035083
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AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118701826
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Citroen Berlingo 1.6 HDI 9H06 Engine Control Unit ECU EDC 98078859 Manual
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Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
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Mercedes W204 Navigation Radio Player Head Unit Hazard Seat Switch A2049009907
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Volkswagen Golf MK6 Parking Sensor Wiring Rear Bumper Loom Cable 03L972619BA
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Mercedes W207 W212 Tuner Box Digital Satellite Radio Control Unit A2229009211
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VW Volkswagen Touran 1T Golf Mk7 Fuel Pump Control Unit Module 1T0906093G
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Part no. 7580279-4
BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Audi S3 8V 2.0 TFSI 300HP CJXC Quattro Engine Control ECU 06K907425B Manual
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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BMW X3 E83 Z4 E85 E86 Radio Sat Nav Control Unit CD Player Control Unit 9146714
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BMW 1 Series F20 F21 114i N13 Engine Control Unit ECU Module DME 8614302 Manual
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Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
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BMW 3 Series E46 Coupe Saloon Aerial Antenna Amplifier Diversity 433MHZ 6907123
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Porsche Cayenne 9PA Body Gateway Module ECU Control Unit 7L5907530D
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Headunit Control 9281518
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Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
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VW Volkswagen Golf 1K Steering Wheel Sensor Control Module Unit ECU 1K0953549BC
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Ford Focus Mk3 Air Module Control Module Restraint CM5T-14B321-CA
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Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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Audi Q7 4L Head Unit Radio Player Navigation Control Module Alpine 4L2035670J
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Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304
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Part no. A2129007104
Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104
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Part no. 6840269
Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269
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Volkswagen Polo Mk5 Alternator Generator 140A Diesel Engine 04B903023D
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Earth Ground Cable Mercedes W204 W207 W212 W218 Battery Wiring Loom A2044407441
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BMW F20 F21 M135i N55 326HP Petrol Engine Control Unit ECU DME 8626472 Automatic
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Ford Focus Mk3 Nav Navigation Multifunction Display Screen Radio E1BT-18B955-DA
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Door Module Audi A3 8V VW Golf 7 Seat Leon 3 Front Right O/S 5Q0959592D
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Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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Skoda Yeti 5L Body Control Control Convenience Unit BCM ECU 1K0937086H
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BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080
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Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Part no. 8510643-1
BMW F10 F11 530d N57 245HP Engine Control ECU Kit Module DDE 8510643 CAS4 Key
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Engine Sound Generator Mercedes W177 W213 GLC C253 Front Rear Unit A2239016902
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Part no. 9813621
Mini Countryman R60 Fuse Distribution Box SPEG High DC/DC H7 9809382
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Part no. A6461504233
Mercedes Sprinter W906 OM646 Diesel Engine Wiring Harness Loom Cable A6461504233
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Mercedes-Benz C CLK W203 C209 Sam Control Module Fuse Box Rear A2035453201
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Part no. 6916407
BMW E53 PDC Parking Control Module Unit PDC 6916407 66216916407
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Part no. 117109477R
Renault Traifc Vauxhall Vivaro Alternator Bracket Mount Holder 117109477R
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Part no. 8645515
BMW X3 F25 X4 F26 Integrated Supply Module 8645515
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Part no. 9227184
BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184
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Part no. 4H0907064FN
Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
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Part no. 7534921
BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921
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Part no. 6911838-BLK
BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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BMW E87 E90 N45 116i 316i 116HP Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Part no. A0009053303
Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
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BMW X3 Series E83 2.0d Engine M47N2 150HP ECU Kit DDE 7803373 EWS3 + Key Manual
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Part no. CC1T10C652AC
Ford Transit MK7 Positive Battery Management System Unit Module CC1T-10C652-AC
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Part no. 6836764
BMW F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 6836764
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Part no. 8K0971228P
Audi A4 B8 Starter Alternator Wiring Loom Cable Harness 8K0971228F
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Part no. 3452677-1
Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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BMW i3 I01 F10 F20 F30 LCI KaFAS Camera Speed Control ECU Module Unit 9359799
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BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738
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Mini F56 Interior Electrical Cable Excitement Package Wiring Harness 6809545
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BMW 1 2 3 4 Series F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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Audi A4 B8 A5 8T 2.0 TDI CAHA 170HP Diesel Engine Control ECU 03L906022NP Manual
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Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
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Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D
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VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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Mercedes W212 Estate Roof Antenna Cover Shark Indium Grey Metallic A2128270228
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Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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Part no. 8C1T18C815AD
Ford Transit MK7 CD Player Radio Stereo Audio Head Unit 8C1T18C815AD
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Part no. A2129001529
Mercedes-Benz C E Class W204 W207 W212 Front Left Door N/S Control Unit Module
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Part no. A2215407045
Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Part no. a2469004716
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Part no. 7794952
BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Part no. A1719000100
Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000100
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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 .