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. CK3T12B637GAF
Ford Transit MK7 Diesel Engine Wiring Loom Harness Cable CK3T12B637GAF
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Alternator Volkswagen LT35 2.5 TDI Diesel Engine Alternator 90A Bosch 074903025K
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Mini One R56 N12 1.4 95HP Petrol ECU Control Unit Kit DME 7589971 + CAS3 + Keys
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BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key 7600020
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Mercedes W205 W222 Door Module Front Right O/S Control Unit ECU A2229001909
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Air Bag Module BMW E65 E66 Control Unit ECU Gateway Airbag Lear 6960943
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BMW E65 E66 Door Air Module Sensor Control Unit Front Right O/S 6929554
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Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000
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Peugeot 3008 Body Control Comfort Unit Module BSI Fuse Box 9675877980
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Renault Scenic 1.5 DCi Diesel Starter Motor Actuator Valeo 8200584675A
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Mercedes-Benz E W210 S210 CD Player Radio Audio Navi SMS Head Unit A2108205689
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Part no. 3414880-1
BMW X3 Series E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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BMW 3 X3 Series E46 E83 1 Fuse Distribution Box 8364540
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Part no. 9297282-1
BMW E63 E64 Battery Power Cable Lead Positive Underfloor Red 9297282
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Part no. A1715404209
Roof Wiring Mercedes SLK R171 Covertible Roof Opening Wring Harness A1715404209
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Part no. A0009068802-2
Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802
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Part no. 7524715
BMW Z4 E85 Roadster Starter Earth Ground Wire Cable 2.0 Petrol 7524715
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Part no. A6511509000
Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000
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Part no. A9068220200
Mercedes W906 Rear Roof Motion Sensor Control Unit Black A9068220200
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Part no. LION-AGM-70AH
Lion AGM850 CCA Battery Start Stop Accumulator Electrical Unit 70Ah 760A 12V
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Part no. 09185826
Vauxhall Opel Relay Speed Signal Electrical Unit 5 Pin Siemens Orange 09185826
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Part no. A2709000900-8
Mercedes W246 B180 270.910 122HP ECU Wiring Loom Harness Cable Plug A2709000900
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Part no. 7792072-1
BMW E60 E61 E65 Compact Alternator Generator Valeo 170A 7792072
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Part no. 8T0959760E
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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Part no. 7808073-1
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator Remy 150A 7808073 DRA0429
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Part no. 6925965-2
BMW X3 E83 LCi Rear Door Window Lifter Left N/S 6925965
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Part no. 6960221
Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
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Part no. 95860411300
Porsche Macan 95B Audi A8 D4 Starter Motor 12V DENSO 95860411300 06M911024
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Part no. 7L5035225S
Porsche Cayenne 955 Radio Aerial Antenna Amplifier Unit Rear Left N/S 7L5035225S
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Part no. 5G0971175C
Volkswagen Golf Mk7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175C
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Part no. 070911023C
Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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Part no. A2038201385
Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385
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Part no. 1T0880201T
Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T
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Part no. 1K0953549BK
Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Part no. A1685405008
Mercedes A-Class W168 Door Cable Harness Wiring Loom Front Right A1685405008
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Part no. A2389000705
Mercedes C118 W177 W205 Bluetooth Control Module Mobile Phone ECU A2389000705
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Part no. A1665400141
Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141
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Part no. DV6T14B531BD
Ford Transit Connect Door Module Front Right O/S Control Unit ECU DV6T14B531BD
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Part no. 3455242-1
Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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Part no. AV6Q6M0
Ford Transit Connect Mk2 Glow Plug Wiring Harness Engine AV6Q6M0
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Part no. A6385454440
Mercedes W639 W906 Battery Terminal Fuse Box Control Unit Module A6385454440
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Part no. A2075406010-1
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
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Part no. 6960222
Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
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Part no. A0009061705
Mercedes W205 C63 Petrol Engine 14V 200A Alternator Generator Unit A0009061705
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Part no. 50325-MAL-600
Honda CBR F3 Battery Box Tray Covering Housing Trim Holder Bracket 50325-MAL-600
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Part no. 8T2035195
Audi A4 B8 Head Unit Radio CD Player Symphony Stereo Audio Player 8T2035195
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Part no. A6519007600-3
Mercedes W246 B180 CDI 651.901 109HP Engine ECU Kit A6519007600 Ignition + Key
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Part no. 1436340
BMW E36 E46 Engine Bay Battery Cable Guide 1436340
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Part no. 7521137-1
BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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Part no. 8582190
BMW F30 F31 F32 335dX 435dX N57 313HP Engine Module ECU DDE 8582190 Automatic
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Part no. A2118700726
Mercedes W211 Seat Memory Control Unit Module Front Right O/S A2118700726
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Part no. A0141542702-1
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702
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Part no. A2135402870
Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870
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Part no. 8513414
BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414
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Part no. A2229002009
Mercedes W205 W222 Door Module Control Unit Rear Left N/S A2229002009
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Part no. 9225792
BMW Z4 E89 Wiring Loom Passenger Side Door Cables Cable Harness 9225792
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Part no. MB3T-14290-TCAE
VW Volkswagen Amarok NF Diesel Engine Wiring Harness Loom Cable MB3T14290TCAE
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Part no. 8369504
BMW 5 E39 Saloon Radio Signal Antenna Amplifier Coaxial Cable 8369504
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Part no. 059911021C
Audi A4 B8 3.0 TDI CAPA Diesel Starter Motor 059911021C
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Part no. 070903024B
Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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Part no. YLE000051
Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE000051
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Part no. 55577669
Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55577669
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Part no. 09D927750KC
Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Part no. A0215459032
Mercedes-Benz C CLK Class W202 W208 Parktronic Control Unit Module A0215459032
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Part no. 7619139
Engine Wiring BMW F10 F11 F30 F31 X1 E84 N20 Loom Module Harness Cable 7619139
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Part no. 8K0959760D
Audi A5 8T Front Driver Site Module Control Unit Seat Adjustment Seat 8K0959760D
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Part no. 8578116-1
BMW F10 F11 535d F13 640d N57Z 313HP Kit DDE ECU 8578116 + Key + CAS4 Automatic
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Part no. 7644747-2
BMW F30 320i Petrol N20 ECU DME Engine Control Unit Module 7644747 FEM Key Lock
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Part no. 8K0971104C
Audi A4 B8 Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104C
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Part no. 9143440
CD Changer BMW E65 E66 6-fold CD Disc Changer Without Magazine 9143440
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Part no. 912034H670
Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91203-4H670
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Part no. A2721503933
Engine Wiring Mercedes C209 272960 Petrol Module Loom Harness Cables A2721503933
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Part no. 04L907309B-2
Volkswagen Golf 7 1.6 TDI CLHA 105HP Engine ECU Kit 04L907309B Key + Ignition
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Part no. 233003407R
Renault Master III Vauxhall Movano B 2.3 DCi Diesel Starter Motor 233003407R
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Part no. A2088202226
Mercedes-Benz CLK-Class W208 Front Right Door Control Unit Module A2088202226
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Part no. A2711505533
Mercedes W204 Petrol Engine M271 Engine Wiring Harnes A2711505533
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Part no. 9340339-1
BMW 3 Series E87 Max Brose Footwell Light Module Control Unit ECU 9340339
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Part no. 4H0959795E
Audi A8 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795E
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Part no. 7P0971225B
Volkswagen Touareg 7P Negative Battery Cable Wiring Loom 7P0971225B
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Part no. 8507909
BMW F20 F30 Wiring Harness Engine Transmission Module Diesel Manual N47N 8507909
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Part no. 7L5971104E
Porsche Cayenne 9PA Rear Bumper Wiring Harness PDC Loom Cable 7L5971104E
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Part no. YLE500180
Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180
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Part no. 02Z911024H-1
Seat Ibiza IV VW Polo 6R Fabia 5J 1.2 TDI Diesel Engine Starter Motor 02Z911024H
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Part no. A0041518501-1
Mercedes W169 W245 Engine Starter Motor A0041518501
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Part no. YC1U-11000-AF
Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AF
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Part no. 06F903023J
Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
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Part no. 0AM911023G
Audi A3 8V Engine Starter Motor Actuator Starter 0AM911023G
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Part no. 04L907309B-3
Skoda Octavia Mk3 5E 1.6 TDI CLHA 105HP Engine ECU Kit Ignition + Key 04L907309B
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Part no. A2118704126
Mercedes W221 Door Control Module Right Rear O/S A2118704126
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Part no. 7519620
BMW 3 Z4 E46 E85 M54 325i 2.2i 2.5i 3.0i Alternator Generator 120A Bosch
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Part no. 7805585
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic
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Part no. 059903023BX
Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX
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Part no. A0275454132-1
Mercedes W168 A160 102HP Engine Control ECU Kit A0275454132 + 2 Keys Automatic
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Part no. 6938106
BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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Part no. A2479008715
Mercedes H243 Multifunction Front Camera Control Unit Module A2479008715
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Part no. 95B971228AA
Porsche Macan 95B Battery Starter Motor Alternator Wire Cable Loom 95B971228AA
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Part no. A0081545202
Mercedes W124 M103 Alternator Generator BOSCH 14V 70A A0131541002
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Part no. 04L907309L
Audi A4 B9 2.0 TDI DETA Quattro Engine Control Unit ECU 04L907309L Automatic
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Part no. 069911023MX
Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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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 .