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. A1779002207
Mercedes W177 Rear Left Right N/O/S Door Control Module A1779002207
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MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7542310 Manual
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VW Volkswagen Polo 6R Rear Door Harness Wiring Loom Cable Left N/S 6C4971693E
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Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7792024 EWS3 + Keys Manual
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Autoradio CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional 9187108
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CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
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Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
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Yaw Sensor Citroen Berlingo Peugeot Partner ESP Rotation Rate Unit 9666173080
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Part no. A0215452032
Mercedes C140 CL420 119.981 279HP Engine Unit ECU A0215452032 Automatic Gearbox
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Part no. A2035403533
Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533
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Part no. 9124632
BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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Part no. A2465400703
Mercedes W246 Front Bumper Parking Sensor PDC Wiring Harness A2465400703
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Gearbox Control Mercedes W177 W247 Transmission Unit Module ECU A0009015810
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Part no. 1432521-1
BMW E36 316i Engine M43 102HP ECU Kit DME 1432521 + EWS II + Key Manual
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Part no. 8367769
BMW X3 Series E83 Battery cable holder mounting parts B Base 8367769
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Part no. 8K0907566H
Audi A5 8T Module Lane Assist Control Unit Rear Right O/S 8K0907566H
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Part no. 9149836
Seat Control Unit BMW X5 E70 E87 E90 Module ECU Electronic Module 9149836
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Part no. 8K0927155AA
Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA
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Part no. 5G0971104L
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104L
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Part no. 6G9210E887EE
Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
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Part no. 8649179
BMW X5 F15 Positive Wiring Harness Cable Battery 8649179
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Part no. 9494336
Mini One F56 B38 102HP Petrol Engine ECU Control Unit DME 9494336 Manual
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Part no. A2829003300-3
Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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Part no. 6500CW
Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CW
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Part no. 8200279219
Smart Fortwo C453 Positive Battery Terminal Plus Pole Point Case 8200279219
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Part no. 9134646
Seat Module BMW E65 E66 Front Seat Control Unit Module ECU 9134646
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Part no. 51871154
Fiat Doblo Positive Battery Cable Lead Wire Electrical Cable 51871154
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Part no. 8595355
BMW G11 G12 G30 G32 G14 Starter Cable Alternator Cable Starter-Base B+ 8595355
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Part no. 6C1T-10300-CC-1
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Part no. 7511570-3
BMW X5 E53 3.0i Engine M54 231HP ECU Kit DME 7511570 + EWS + Key Automatic
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Part no. A0034466040
Mercedes-Benz W169 W245 Engine Control Unit Module ECU SIM266 A0034466040
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Part no. 6g9n-18c815-ta
Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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Part no. 8K0907568H
Audi A5 8T Module Lane Assist Control Unit Rear Left N/S 8K0907568H
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Part no. 7176068-4
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Part no. A2821503400
Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
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Part no. A2139009722
Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Part no. A2749061600
Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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Part no. 95B919599F
Porsche Macan 95B On board Navigation Display Monitor Screen 95B919599F
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VW Touareg 7P Antenna Amplifier Signal Booster Module Rear Right O/S 7P6035552N
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Smart ForTwo C453 Front Air Flap Sensor Module Control Unit 6466R1001
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Part no. 02M911024B
Volkswagen VW Golf Mk7 VII Passat B8 Starter Motor Diesel Engine 02M911024B
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Part no. 7797661-1
Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661
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Mercedes SL R231 Pneumatic Pump Compressed Air Reservoir A0008002919
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Part no. A1645402401
Mercedes W164 Front Fuse Box SAM Relay Control Unit Module A1645402401
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Part no. 8507245-2
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8507245 CAS3 + Key Manual
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Part no. 6913085
BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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Part no. A4479060400
Mercedes W447 Fuse Relay Box Module Control Unit A4479060400
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Part no. A0061512501-1
Mercedes-Benz C-Class W203 W204 W211 Diesel Engine Starter Motor A0061512501
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Part no. 7578032-2
BMW E90 E91 N43 320i 170HP Engine ECU DME Kit CAS3 + Key 7578032 Manual
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Part no. 5Q0907530N
Skoda Octavia 5E Gateway Control Module Unit ECU 5Q0907530N
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Part no. 4H0907217F
Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
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Part no. 7508292
BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual
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Part no. 8578609-1
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608
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Part no. A2039000100-1
Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100
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Part no. 7L6971095G
VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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Part no. 7567178-3
BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic
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Part no. 06E911021D
Audi S5 8T A6 C7 Engine Starter Motor 3.0 TFSI Petrol CGWC 06E911021D
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Part no. A6461507172-1
Mercedes W639 Vito OM646.980 116HP Engine Module ECU Kit A6461507172 Key Lock
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Part no. A1635452132
Mercedes ML W163 Seat Module Control Unit Front Left Right N/O/S A1635452132
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Part no. 8N0959655B
Audi TT 8N Air Module Control Module Unit ECU 8N0959655B
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Part no. YC1U-11000-AF-1
Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AF
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Part no. 1K0971250AH
VW Golf Mk5 V Negative Battery Terminal Cable Wiring 1K0971250AH
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Part no. AH2210300AB
Land Rover Range Sport L320 Diesel Engine Alternator Generator AH22-10300-AB
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Part no. PDC-Plug-W164
Mercedes-Benz M-Class ML W164 PDC Parktronic Distance Sensor Plug Cable
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Part no. 1247281
BMW E34 E36 E46 316i 318i 518i Ignition Coil Control Unit Module 1247281
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Part no. 117109477R
Renault Traifc Vauxhall Vivaro Alternator Bracket Mount Holder 117109477R
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Part no. 9897880-5
Mini Cooper S F55 F56 B48C 192HP Petrol Engine ECU Kit 9897880 BDC + Key
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Part no. 7550468-1
BMW 1 3 E81 E87 LCI E90 E91 N43 Alternator Generator 170A Petrol NAPA NAL1250
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Part no. 8T8971845
Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845
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Part no. 8513184-2
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 2 Keys CAS4
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Part no. 7620625
Wiring Mini R55 R57 LCI R58 R60 Petrol N18 Injection Ignition Harness 7620625
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Part no. 7641661-2
BMW F10 F20 F30 Petrol N20 Wiring Harness Motor Sensor System 2 Module
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Part no. 7811700-13
BMW E90 E91 320d N47 Engine Control Unit Module ECU Kit DDE 7811700 CAS3 Key
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Part no. A6519006401-1
Mercedes GLC X253 220d OM651.921 170HP Engine Unit ECU Kit A6519006401 Automatic
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Part no. 3AF971104L
Volkswagen Passat B7 PDC sensor Wiring Loom Harness Cable Rear Bumper 3AF971104L
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Part no. 3D0919083
Volkswagen VW Phaeton 3D Battery Relay Protection Solenoid Module 3D0919433
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Fuse Box Cover Citroen Berlingo Peugeot Partner Housing Lid Trim 9658418180
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Part no. 3C0971228K
Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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Part no. 9288002
BMW F10 PDC Rear View Backup Camera Control Module Unit ECU 9288002
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Mercedes-Benz M ML W163 Front Bumper Fog Lamps Parktronic Wiring Loom Harness
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Part no. 03G903016N
Audi A6 C6 2.0 TDI Alternator Generator 180A 14V Diesel Engine Unit 03G903016N
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Part no. 7550319-1
MINI Cooper One R50 R52 Petrol W10 Alternator Generator 110A 7550997 7550319
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Part no. A2098202689
Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098202689
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Part no. 3457579
Fuse Box Mini Cooper R57 Cabrio High SPEG PL3 DC/DC H4 Distribution 3457579
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Part no. KV6T-14B060-AAF
Ford Transit Connect Battery Cable Engine Wiring Harness Loom KV6T-14B060-AAF
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Part no. 7648190-1
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
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Part no. A6561593100
Mercedes W213 OM656 Diesel Engine Wiring Guide Cable Duct A6561593100
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Part no. A2115400082
Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082
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Part no. A1635460141
Mercedes-Benz M ML W163 Battery Positive Cable Wiring Connector A1635400269
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Part no. AG9T-14324-UC
Battery Cable Ford S-Max Negative Lead Wiring Harness Cable AG9T-14324-UC
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Part no. A6421540502
Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502
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Part no. 6R0971349BK
Audi A1 8X 1.4 TFSI CAXA Alternator Wiring Harness Cable Loom 6R0971349BK
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Part no. 8X0959793D
Audi A1 8X Driver Side Door Module Front Control Unit Module ECU 8X0959793D
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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 .