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. NAPA 95Ah Accumulator
NAPA AGM Accumulator Battery 95Ah 850A 12V AGM019N
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BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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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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Audi A5 8T Rear Reversing Camera Module View Camera Control Unit ECU 8T0907441C
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BMW Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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BMW E60 E61 E65 E70 X6 E71 Trailer Towing Control Module 9215050
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Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B
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Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005
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BMW F10 Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9291450
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Transmission Wiring BMW F20 Petrol N55 Automatic Gearbox- Engine Harness 7599378
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BMW E87 Light Module Control ECU Unit LCM Footwell Module PL2 FRMFA 6977723
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Part no. 9311110
Mini R55 R56 R57 LCI R60 R61 Navigation Head Unit CHAMP 2 Sat Nav DAB 9311110
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Part no. 8473191
BMW X5 F15 M50d N57X 381HP Engine Control Unit ECU DDE 8473191 Automatic
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Part no. 7591534-2
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Part no. A4479000601
Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
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Part no. 9381102
BMW F20 F30 F36 Front Electronic Module Control Unit FEM 9381102
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Part no. A2079005100
Mercedes A207 Convertible Roof Top Control Unit Module ECU A2079005100
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Part no. 7608804
BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804
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BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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Part no. 3R0907274
Seat Exeo TPMS Tyre Pressure Monitor Module Control Unit ECU 3R0907274
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Part no. 9268752
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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Part no. 4F0953549A-1
Audi Q7 4L Steering Column Switch Control Unit Module Unit 4F0953549A
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Part no. A0035455005
Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
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Part no. 9167397-1
Mini Cooper R57 R58 R59 Microphone Hands Free Telephone 9167397
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Part no. 7582309
BMW Mini Cooper Clubman R55 R56 0,95 KW Engine Starter Motor 7582309
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Part no. A9064460742
Mercedes Sprinter W906 Air SRS Bag Control Module Unit 0285010033 A9064460742
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BMW X5 E70 ECU Body Control Module Junction Box JBBFEIIIR LP 9262037
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BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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Part no. A0019828108
Mercedes AGM Accumulator Battery 80Ah 800A 12V Varta
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BMW Z4 Series E89 Roadster Cabrio Convertible Top Module CTM 09281723 9281723
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Windscreen Camera Mercedes W207 W212 W246 Front Control Unit Module A0009008905
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Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
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Part no. 8519013-1
BMW X1 E84 25dX N47S1 218HP Engine Control Unit ECU Kit DDE 8519013 CAS3 Key
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BMW E65 730d Diesel M57N2 Engine Wiring Loom Harness Module Diesel 7802574
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Airbag Module BMW F20 F21 LCI F30 F31 F32 ECU Control Unit Air Bag 6879836
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Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
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Part no. A9065403627
Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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Part no. 02M911023M
Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M
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Part no. 9263790
BMW X6 Series E71 Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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Part no. 8614302-4
BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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Part no. 9663593480
Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
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Part no. rhd-7803681
BMW X5 X6 Series E70 3.0sd E71 35dX M57N2 Engine Wiring Harness DDE Set 7803681
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BMW 3 4 Series F30 F31 F32 F33 Apron Scuttle Cover Trim Left N/S 9353043
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Part no. A9065402727
Mercedes Sprinter W906 OM651 Engine Wiring Harness Cable Loom A9065402727
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Part no. 7553735-4
MINI Cooper R50 W10 116HP Engine ECU Kit Module DME 7553735 + Key + EWS Manual
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2049009701
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Part no. 8470176-3
Mini F60 Cooper S B47 Diesel Engine Control Unit ECU DDE 8470176 Automatic
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Part no. 8K0907144E
Audi A5 8T Dynamic Active Steering Module ECU 8K0907144E
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Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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Part no. 9261592
BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17
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Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
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Part no. 8707676
BMW F22 F32 F36 Body Control Comfort Module Unit 8707676
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Part no. 6920409
BMW 5 7 Series E60 E61 E65 E66 Fan Blower Motor Unit Amplifier Cooling 6920409
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Part no. A6394460442
Mercedes Vito W639 Air Module System Control Unit A6394460442
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Part no. 8689762
BMW F30 LCI 330e Petrol B48X Engine Control Unit ECU DME 8689762 Automatic
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Part no. A2108206526
Mercedes-Benz E W210 Seat Memory Control Unit Module Front Left A2108206526
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Part no. 7809944-3
BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7809944 CAS3 + Key
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Part no. 3456805
Mini Cooper One R55 R56 R57 LCI R58 R59 R60 CD Radio Audio Player 3456805
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Part no. 9261703
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Part no. A2469009512
Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
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BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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Part no. 6846906
BMW F20 F21 LCI Mini F55 F56 Top Hifi Audio Amplifier Harman Kardon 6846906
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Part no. A6519009302-3
Mercedes W639 OM651.940 163HP 116 CDI Engine Unit ECU Kit A6519009302 Automatic
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
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PDC Module Audi A3 8V Seat Leon Skoda Octavia Parking Control Unit 5Q0919283B
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Audi A6 C7 Rear Bumper PDC Parking Sensor Wiring Loom Harness 4G5971085AE
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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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Skoda Fabia 5J CD Player Audio Stereo Radio Head Unit 5J0035161D
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Audi A8 4H 4.2 TDI CDSB Quattro 258HP Engine Control ECU 4H0907409 Automatic
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6943857
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BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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Mercedes W177 A220 260920 260.920 190HP Engine ECU Unit A2649000700 Automatic
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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 W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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Navigation Head Unit Mercedes W218 COMAND Navi CD DVD Player Sat Nav A2189000806
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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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Mercedes W212 Display Screen Multifunction Navigation Dashboard A2129015706
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Part no. 7575327-1
BMW Banner AGM 12V Accumulator Battery 90Ah 900A 7575327
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Part no. NAPA 80Ah Accumulator-1
NAPA Accumulator Battery 80Ah 760A 12V 110N
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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 .