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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Smart 453 Fortwo Body Control Energy Management Control Module Unit 231A07278R
PLN 427.95
Free delivery: Mar 13
If paid before 14:00
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Volkswagen Golf CD1 Alternator Engine Generator Valeo 05E903018G
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VW Volkswagen Golf Mk7 Front Impact Crash Air Module Sensor 5Q0959655AA
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Mercedes W205 Air System Control Unit Module ECU A2059001814
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Audi R8 Gen 1 Engine Starter Motor 4.2 FSI 02Z911023L
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Vauxhall Vivaro B Renault Trafic 3 Fuse Box Battery Terminal Module 243501820R
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Porsche Macan 95B Body Gateway Module ECU Control Unit 95B907530L
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Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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Switch Cluster BMW E82 E88 E90 LCi Cruise Control Stalk Unit 9110882
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Audi A4 B7 2.0 TFSI BUL Quattro 220HP Engine Control ECU Kit 8E0910115H Manual
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BMW 7 Series E65 E66 Dashboard EXCH Control Display Screen 8,8" 6960096 9110639
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Audi TT 8J Gateway Control Unit Module 7N0907530AL
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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Ford Fiesta MK7 1.6 TDCI Diesel Engine Control Unit ECU 8V2112A650KE Manual
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Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824
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Body Control Module Mercedes Sprinter W907 W910 SAM BCM Unit ECU A9079000704
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BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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BMW E60 E90 E91 E92 LCI 335D 535d M57N2 Engine ECU KIT DDE 7809955 + CAS3 + Key
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Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
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Mercedes ML W164 Transfer Case Box Module Control Unit ECU A1645408662
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MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual
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BMW F11 Parking Brake Module Wiring Cable Harness Loom 9325545
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BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Volkswagen New Beetle Convertible Roof Control Module Control Unit 1Y0959255C
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Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002
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Audi S3 8Y Electric Rear Bumper Wiring Harness PDC Loom Cable 8Y4971104AL
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Mercedes W470 Diesel Engine Starter Motor A4709060300
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Mercedes W203 Front SAM Control Unit Module Fuse Box A2035454101
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Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469013702
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Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Mini R57 R58 Front Left Door Module Wiring Loom Harness N/S 9157650
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BMW Z4 Series E85 Emergency Release Folding Top 7123023
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003702
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Porsche Boxster 986 2.7 9622 220HP Engine Control ECU Kit 99661860500 Manual
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Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519003203 Manual
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Audi A3 8V 1.4 TFSI CZEA Engine Control Module Unit ECU 04E907309A Manual
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Gearbox Module Mercedes W205 W213 GLC X253 Control ECU Automatic A2139006227
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Parking Brake Module BMW F10 M5 F12 F13 M6 Control Unit Lock Module 2284105
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Audi A1 8X 1.4 TFSI CAXA Alternator Wiring Harness Cable Loom 6R0971349BK
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BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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BMW F45 F46 Door Interior Lighting Wiring Harness Cable Front Left N/S 9354069
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BMW 3 Series E91 ECU Body Control Module H4 Electronic Box 61359176886 9176886
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Mercedes W204 Display Screen Multimedia Navigation Dashboard Unit A1729008600
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Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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Mercedes W169 W245 SAM Control Module Fuse Box Unit A1695454332
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Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
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Mini Cooper One D W16 R55 R56 Engine Wiring Loom Harness 7808630 7795052
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Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
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Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800 Manual
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Mini Clubman F54 Negative HV Battery Terminal Cable Harness Wiring Loom 6821204
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Mini Cooper S R60 ALL4 N18 1.6 184HP Engine Control ECU Unit DME 7620985 Manual
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Volkswagen Jetta A6 USB Adapter Wiring Harness Lead Cable Connector 5N0035558
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Audio Amplifier BMW F20 F21 LCI Mini F56 Top Hifi Harman Kardon Unit 6836346
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Audi S3 8Y Air Module Control Unit SRS System ECU 5WA959655J
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Audi A4 B8 Body Control Unit Basic Module BCM 8K0907063
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BMW X5 Series E53 PDC Parking Control Module Unit PDC 4104215
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Automatic
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Mercedes W447 W448 W636 W639 Battery Holder Mount Bracket A6395410212
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VW Amarok Mk2 Headlight Headlamp Control Unit Module Sensor G2412-154530-B
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Mercedes W212 Front Air Vent Centre Cable Wiring Dashboard Loom A2124404250
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BMW E90 LCI Junction Box Body Control Module H1 PL2RR JBBFE IIIR 9226328
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Seat Ibiza 6J 1.2 TSI CBZB 105HP Engine Control Module ECU Unit Manual 906070GR
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Audi Q2 GA Air Module Control Unit 5QF959655BQ
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Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875
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VW Volkswagen Touareg 7P Alternator Generator 14V 190A 3.0 TDI Diesel 059903023
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Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207
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BMW E46 Touring Positive Battery Cable Plus Pole Lead Loom 6907435
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BMW E90 E91 LCI 318d Engine N47N 143HP ECU Kit DDE 8510832 CAS3 Key Automatic
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Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9395177
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VW Transporter T5 Engine Cooling Radiator Fan Control Unit Module 7H0919506D
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BMW E81 E82 E88 E92 Passenger Seat Wiring Memory Loom Harness Cable 9131732
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BMW E81 E87 E90 E91 E92 6-disc CD Changer 9133083
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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 .