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.
Make
Category
Subcategory
Condition
In Stock
Price

Part no. 4H0907064FN
Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
Product currently unavailable

Part no. 8507623-2
BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
Product currently unavailable

Part no. HELLA-80AH
Audi Q3 8U Q5 8R HELLA XCelerate Ultra AGM Start Stop Car Battery 80Ah 800A 12V
Product currently unavailable

Part no. 9229847
BMW E70 Door Wiring Front Passenger Door Loom Cables Harness 9229847
Product currently unavailable

Part no. 1K0971391ES
VW Golf Mk5 Seat Well Cable Front Left N/S Wiring Loom Harness 1K0971391ES
Product currently unavailable

Part no. A1669006120
Mercedes ML W166 GLE C292 SAM Module Control Unit ECU A1669006120
Product currently unavailable

Part no. 4M0907428F
Audi A5 F5 Camera Control Module Unit ECU 4M0907428F
Product currently unavailable

Part no. 2545291
Ford Transit Custom Mk1 Alternator Generator 150A 2.2 TDCi Diesel CC1T-10300-BE
Product currently unavailable

Part no. 6986301
BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123
Product currently unavailable

Part no. A0034466040-2
Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys
Product currently unavailable

Part no. 8P0862335D
Audi A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335D
Product currently unavailable

Part no. A0009067702-1
Mercedes W204 W207 W212 Alternator Generator Engine Diesel 180A 14V A0009067702
Product currently unavailable

Part no. 240801846R
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240801846R
Product currently unavailable

Part no. 7584113-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7584113 CAS3 + 2 Keys Manual
Product currently unavailable

Part no. 4F2910115B-1
Audi A6 C6 2.0 TFSI BPJ 170HP Engine ECU Kit 4F2910115B Ignition + Key Manual
Product currently unavailable

Part no. 8V5971687K
Audi A3 8V Door Wiring Harness Loom Rear Left N/S 8V5971687K
Product currently unavailable

Part no. 7621309
Engine Wiring Mini R56 LCI R60 N18 Loom Harness Injection Valve Ignition 7621309
Product currently unavailable

Part no. 074906018BK
VW Volkswagen LT 35 2.5 TDI AVR 109HP Engine ECU Kit 074906018BK Manual Gearbox
Product currently unavailable

Part no. 03L906022RM-1
Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
Product currently unavailable

Part no. 7516404
BMW E60 Cable Starter Generator Alternator B+ Base Wire Harness 7516404
Product currently unavailable

Part no. 8K0906093D
Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
Product currently unavailable

Part no. 6872887
BMW X5 Series E53 Wheel Electronics Module RDC 433MHz Control Unit 6752128
Product currently unavailable

Part no. 8P0057186SX
Audi A3 8P Multimedia Stereo Sat Nav CD Player Radio Head Unit 8P0057186SX
Product currently unavailable

Part no. 8512415-3
Mini One D R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
Product currently unavailable

Part no. 6875202
BMW F10 Touch Detection Module Steering Wheel Control Unit HOD F45 i3 6867308
Product currently unavailable

Part no. 7789980-2
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
Product currently unavailable

Part no. 8S0971365F
Audi TT FV Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8S0971365F
Product currently unavailable

Part no. 8X0959793E
Audi A1 8X Q3 8U Front Door Module Driver's Side Control Unit ECU 8X0959793E
Product currently unavailable

Part no. 1S7U11000BC
Starter Motor Ford Transit 2.4 TDDi Diesel Engine 1S7U11000BC
Product currently unavailable

Part no. 6C1112A650AN
Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual 6C1112A650AN
Product currently unavailable

Part no. 6R0971228S
Negative Battery Cable Audi A1 8X Volkswagen Polo Mk5 6R Cable 6R0971228S
Product currently unavailable

Part no. 8K0971104AC
Audi RS4 A4 B8 8K Parking Sensors Rear Bumper Wiring Loom 8K0971104AC
Product currently unavailable

Part no. A2216890614
Mercedes W221 PDC Distance Control Holder Bracket A2216890614
Product currently unavailable

Part no. 077911023-1
Volkswagen Touareg 7L Engine Starter Motor 077911023
Product currently unavailable

Part no. 420919275
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275
Product currently unavailable

Part no. 079903805J
Audi A4 B6 B7 4.2 V8 FSI Alternator Bracket Mount Holder 079903805J
Product currently unavailable

Part no. 504057813
Alternator Iveco Daily II Engine Alternator Generator 140A 504057813
Product currently unavailable

Part no. 02Z911024P
Audi A3 8P VW Scirocco Mk3 Starter Motor Engine Valeo 1.4 TSI Petrol 02Z911024P
Product currently unavailable

Part no. 1K0971349BP
Volkswagen Golf Mk6 Alternator Main Cable Wiring Harness Loom 1K0971349BP
Product currently unavailable

Part no. A2079003600
Mercedes C207 Coupe Module Rear Window Regulator Lifter Control Unit A2079003600
Product currently unavailable

Part no. 8W0907064EC
Audi A5 F5 BCM Body Comfort Module Onboard Control Unit ECU 8W0907064EC
Product currently unavailable

Part no. A0061517401-1
Mercedes Sprinter W906 Diesel Starter Motor Engine Valeo A0061517401
Product currently unavailable

Part no. 4M0959760A
Audi A5 F5 Seat Module Control Unit ECU Front Left Right N/O/S 4M0959760A
Product currently unavailable

Part no. 4G5971030DJ
Audi A6 C7 Front Door Wiring Harness Loom Left N/S Passenger's Side 4G5971030DJ
Product currently unavailable

Part no. 6787836-1
BMW E81 E87 LCI E90 LCI ABS DSC Module Pump Wiring Harness Cable 6954572
Product currently unavailable

Part no. 9657477580
Peugeot 207 1.6 HDI Alternator Supporting Bracket Mount Diesel 9657477580
Product currently unavailable

Part no. 7809944-1
BMW E90 E91 E92 330d M57N2 231HP Engine ECU KIT DDE 7809944 CAS + Key Automatic
Product currently unavailable

Part no. 7519721-1
BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018
Product currently unavailable

Part no. 8200091428
Vauxhall Movano A G9T722 Engine Control Unit ECU Module Diesel Manual 8200091428
Product currently unavailable

Part no. 03P906021A
Volkswagen Polo MK5 6R 1.2 TDI CFWA Engine Unit Module ECU 03P906021A
Product currently unavailable

Part no. A2709002100
Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
Product currently unavailable

Part no. 8582280-9
BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
Product currently unavailable

Part no. 9259730-1
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
Product currently unavailable

Part no. 7550469-3
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
Product currently unavailable

Part no. A2479005615
Mercedes H243 H247 Body Control Module BCM Unit ECU A2479005615
Product currently unavailable

Part no. 8U0971687B
Audi Q3 8U Rear Door Loom Wiring Harness Cable Left Right N/O/S 8U0971687B
Product currently unavailable

Part no. 8K0971687S
Audi A4 B8 Door Wiring Harness Loom Rear Left N/S Cabling 8K0971687S
Product currently unavailable

Part no. 58054R
Piaggio X8 X9 Vespa Granturismo Immobilizer Module Control Unit CDI 58054R
Product currently unavailable

Part no. CC1T12B637BAE
Ford Transit MK7 Diesel Engine Wiring Cable Harness CC1T-12B637-BAE
Product currently unavailable

Part no. 4E0910441
AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441
Product currently unavailable

Part no. 7802929-1
BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator Valeo 170A 7802929
Product currently unavailable

Part no. 9175902
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness 9175887
Product currently unavailable

Part no. 9313933
BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
Product currently unavailable

Part no. 1707017
BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
Product currently unavailable

Part no. 0-390-201-999
BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999
Product currently unavailable

Part no. 3454566
Radio Player Mini Cooper One R55 R56 CD Audio Player Head Unit 3454566
Product currently unavailable

Part no. 95B907530P
Porsche Macan 95B Body Gateway Module ECU Control Unit 95B907530L
Product currently unavailable

Part no. 5QA919283
Audi A3 S3 8V Parking Assist PDC Control Module 5QA919283
Product currently unavailable

Part no. 8385223
BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
Product currently unavailable

Part no. 6955801
BMW F10 Body Control Module ECU Unit Junction Box PL6 JBBFE III V2 6955801
Product currently unavailable

Part no. 117105124R
Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Alternator Bracket Mount 117105124R
Product currently unavailable

Part no. 8576341-5
BMW F20 F21 F30 F31 118d 318d 143HP N47N ECU Kit DDE 8576341 + Key + FEM
Product currently unavailable

Part no. 9170730-1
Mini Cooper R55 R56 R57 CCC CD Navigation Sat Nav Head Unit 9170730
Product currently unavailable

Part no. 8T0035223AB
Audi A4 B8 8K A5 8T Sound System Audio Amplifier Amp Unit 8T0035223AB
Product currently unavailable

Part no. 2T1T-14A280-CG
Ford Transit Connect 1.8 TDCi Battery Positive Cable Clamp Wiring 2T1T14A280CG
Product currently unavailable

Part no. A2129003701
Mercedes W212 Air Suspension Level Control Unit Module Airmatic A2129003701
Product currently unavailable

Part no. 5Q0971250T
Volkswagen Golf Mk7 Seat Leon 5F Battery Wire Negative Earth Lead 5Q0971250T
Product currently unavailable

Part no. 7PP907357L
Porsche Macan 95B Headlight Control Module Unit Hella 7PP907357L
Product currently unavailable

Part no. A2115409305
Mercedes-Benz E CLS Class W211 W219 Wiring Harness Cable Headliner A2115409305
Product currently unavailable

Part no. 5WA971794R
VW Golf 8 1.5 eTSI HV Battery Positive Terminal Harness Cable Wiring 5WA971794R
Product currently unavailable

Part no. 9195756-2
BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
Product currently unavailable

Part no. 059903015R
Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
Product currently unavailable

Part no. 5Q0937125B
Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B
Product currently unavailable

Part no. 6905669
BMW X3 X5 E39 E46 E53 E83 Mini R50 R52 Control Unit Control Unit EWS3 6905669
Product currently unavailable

Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
Product currently unavailable

Part no. 8639595-6
BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM
Product currently unavailable

Part no. 6942556
BMW E87 E90 Seat Wiring Front Sport Seat Lumbar Loom Harness Cable 6942556
Product currently unavailable

Part no. 1K0971349AQ
Volkswagen VW Golf Mk6 Alternator Cable Wiring Harness Loom 1K0971349AQ
Product currently unavailable

Part no. 04E971612ES
Seat Ibiza 6J Engine Wiring Harness Loom Manual Gearbox 1.2 TSI CJZC 04E971612ES
Product currently unavailable

Part no. 3D0937499B
Volkswagen VW Phaeton 3D Fuse Box Electrical Control Unit Module 3D0937499B
Product currently unavailable

Part no. A2049067702
Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
Product currently unavailable

Part no. 8K0971030M
Audi A4 B8 Door Wiring Harness Loom Front Left N/S Cabling 8K0971030M
Product currently unavailable

Part no. 5Q0906121M
Audi Q3 8U 2.0 TDI CUWA Fuel Pump Relay Control Unit Module ECU 5Q0906121M
Product currently unavailable

Part no. 231008633R
Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R
Product currently unavailable

Part no. 281155093R
Radio MP3 Player Renault Trafic Vauxhall Vivaro Head Unit Bluetooth 281155093R
Product currently unavailable

Part no. A2719000600-2
Mercedes CL203 C180 Kompressor M271.946 Engine Unit ECU A2719000600 Automatic
Product currently unavailable

Part no. 7846409-1
BMW E90 E92 E93 M3 Engine S65 420HP ECU Control Unit Kit DME 7846409 + CAS3 Key
Product currently unavailable

Part no. 8519667-1
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE CAS3 + Key 8512047 Automatic
Product currently unavailable

Part no. 9286236
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236
Product currently unavailable
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 .