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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Mercedes W221 Front Door Control Left N/S Module Unit ECU A2219007301
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BMW 5 7 Series E60 E61 E65 E66 Front Driver Seat Angle Adjustment Drive 7075948
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Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
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Alternator Bracket Ford Transit Mk7 2.4 TDCi Mount Belt Tensioner 6C1010K019AC
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Audi A3 8P Gateway Module Control Unit Gateway Module ECU 8P0907530A
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Mercedes W213 C238 Front Collision Radar Sensor Control Unit Module A0009054603
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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BMW 7 Series E65 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6941588
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Mercedes CLS W219 Parking Sensor PDC Distance Control Unit Module A2195450732
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Mercedes EQA H243 W247 Fuse Box Relay Control Unit Module A1779061302
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Energy Distributor Mercedes W204 OM656 Power Control Unit Module A0065454601
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Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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BMW E70 E71 F01 F02 F10 F11 F30 F31 Diesel Starter Motor NAPA 8581098
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Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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Mercedes C117 W176 Multimedia Interface Wiring Harness Loom A2468201715
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Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine Control ECU Manual 03E906019M
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BMW 3 Series E90 E91 LCI N47N Diesel Engine Wiring Harness DDE 8507796
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Audi TT 8J Speaker Loudspeaker Front Door Left Right N/O/S 4F0035411E
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Radio Head Unit Mercedes Sprinter W907 W910 COMAND Navigation A2479007306
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BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6872837
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Dodge Journey ECE 2.0 CRD Diesel Engine Control Unit ECU Manual P05094820AG
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519003203 Key Lock
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Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469013702
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Audi A3 8V 2.0 TDI CRLB Diesel Alternator 03F903023D
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51919499
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Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Key + Lock
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BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7791190 EWS3 + Key Manual
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VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
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Mercedes W166 Radio Head Unit CD Audio Player Control Unit A1669000621
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Mercedes W163 SAM Control Unit AAM2 A1635455232
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BMW E65 E66 Front Seat Occupancy Sensor Mat 6914666
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BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851
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BMW E81 E84 E87 E90 LCI 18d 118d 318d N47 ECU Kit DDE 8506434 CAS3 Keys Manual
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 8736681
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BMW F20 F21 LCI F23 GPS Navigation Sat Nav Display Screen Android Auto 10,25"
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Rear Side View Camera Module BMW F30 F31 F10 F11 F01 F02 Control Unit 9393952
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Mercedes W205 Door Wiring Front Right O/S Harness Loom Cable A2055407401
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BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836
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BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
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Ford Transit Mk7 V Bluetooth Voice Module Unit Control ECU 8M5T19G488AN
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BMW Banner AGM 12V Accumulator Battery 90Ah 900A 7575327
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Mercedes W124 Fuse Box Electric Control Unit Module A1245431933
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BMW F30 F31 LCI 340i B58 Petrol ECU Control Unit Module DDE 8689723 Automatic
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Ford Transit Mk8 Bluetooth Microphone Module Speaker Wiring Loom AM5T-19A391-AD
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Mercedes MLW164 Air Module Control Unit ECU Air Module Sensor A1648204326
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BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Automatic
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MINI Cooper D One R50 Alternator Generator 7790879
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BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
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Mercedes-Benz E CLS Class W211 W219 Control Module Bracket Holder A2115452240
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Vauxhall Vivaro Renault Trafic Alarm Anti-Theft Shurlok Module Unit 91166806
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Nissan Quashqai J10 MK1 Radio CD Player Sat Navigation Head Unit 25915BH10C
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Ford Transit Custom MK1 2.2 TDCI 100HP T22DD0P Engine Unit ECU BK2112A650AC
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Audi Q3 8U Amplifier BOSE Premium Audio Sound System Module 8X0035223D
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51871153
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
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Audi Q7 4L 3.0 TDI Quattro Engine Starter Motor Actuator Starter 059911024H
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BMW F30 F31 F32 LCI Top Hifi System Amplifier Harman Kardon 9390142
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BMW E60 LCI E90 E91 E92 325d 525d M57N2 Engine ECU KIT DDE 7805288 CAS3 + Key
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BMW Mini Cooper One R56 Footwell Light Module LOW ECU PL3 FRM II 3450938
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Mini Cooper R55 R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Key 7640005
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BMW F40 X1 F48 Mini F55 F56 F60 Engine Injector Wiring Loom Harness 8685853
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Audi TT 8N Battery Fuse Box Power Distribution 8N0937550E
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BMW E60 520i M54 170HP Engine Control ECU Kit DME 7549387 CAS2 Keys Automatic
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Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690
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Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
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Mercedes C204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Seat Leon Mk3 5F Front Crash Impact Sensor 5Q0907651
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Mini Cooper R50 Engine W10 90HP Engine Control ECU DME Kit 7513983 Automatic
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Fuse Box Mercedes Sprinter W907 Prefuse Box Module F150/1 - MFB-1 A9075406960
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Bosch S5 A11 AGM Start Stop Accumulator Battery 80Ah 800A 12V
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Ford Focus 1.6 TDCI Diesel Glow Plug Wiring Loom Cable Wire 9661094180
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PDC Wiring Mercedes ML W164 Front Bumper Parking Sensor Loom Cable A1645402305
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BMW 5 Series E60 E61 Rear Bumper PDC Wiring Loom Cables Set 6928366
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Mercedes CL C216 Rear Side Window Regulator Module Control Unit A2168707826
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Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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BMW E82 Footwell Light Module Control Unit ECU Lear FRM3R PL2 9263794
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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 .