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. 3414876
BMW X3 Series E83 2.5i 3.0i M54 Battery Positive Power Cable Terminal 3414876
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Part no. 6924829
Mini Cooper R50 R53 DVD GPS Navigation System Computer 3 Control Unit 6924829
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Mercedes W245 Bluetooth Module Telephone Control Unit A1698200611
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Fuse Box Mini R58 R59 Distribution Control Unit Module 3457508
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BMW E87 Body Control Module Unit L2 ECU 6983305 61356983305
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Mercedes W205 C 220d 651.921 170HP ECU Kit A6519005203 SAM Key Lock Automatic
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Mercedes W213 SD Card Garmin Map Pilot Navi Europe 2019 A2139062607
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BMW E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
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Part no. 06E903016N
Audi A4 B8 3.2 FSI Alternator Generator 06E903016N
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BMW F10 Light Control Footwell Module ECU Unit FRM3 9247063
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BMW F45 LCI F46 218i X1 F48 18i B38C 140HP Engine Unit ECU DME 9452590 Manual
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BMW X3 E83 LCI 1.8sd 2.0sd N47 177HP Engine Control ECU DDE 7809999 Automatic
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Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
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Part no. A1699002500
Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Part no. 6991365
BMW Banner EFB Start Stop Accumulator Battery 70Ah 700A 12V 6991365 6992187
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Part no. 6905491
Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Part no. 9190107
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190107
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Part no. 1K0953549BS-1
Skoda Octavia II Steering Wheel Position Angle Control Unit Module 1K0953549BS
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Part no. 8200690199
Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Part no. 4F0910279K
Audi A6 C6 Power Supply Module Comfort Control Unit ECU 4F0910279K
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Part no. 8V2110723BC
Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110723BC
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Part no. 7810909-3
Mini Cooper D R55 R56 W16 1.6 109HP ECU Kit DDE 7810909 CAS3 Key Automatic
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Part no. A0335455932
Mercedes Sprinter W901 W905 Immobilizer Control Unit Module ECU A0335455932
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Part no. 7936364
Mini F55 F56 F57 Integrated Supply Module Z11 Control Unit Module 7936364
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Part no. 504096743
Iveco Euro Cargo Body Control Module ECU Convenience Control Unit 504096743
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Part no. 7599881-15
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
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Part no. 6C1T18C815AJ
Ford Transit MK7 Radio 6000 CD Player Stereo Head Unit 6C1T18C815AJ
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Part no. 8572419-1
BMW F10 F20 F30 120d 320d 520d N47N Engine Control Unit DDE 8572419 Automatic
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Part no. 9240136
BMW X5 E70 Audio Amplifier HiFi Stereo Sound System Booster Control Unit 9240136
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Part no. 7603567-1
Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Part no. A1698205189
Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
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Part no. 7356560570
Citroen Relay 3 Radio Stereo Navi Sat Screen Display Head Unit 7356560570
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Part no. A2218708287
Mercedes W221 Boot Lid Remote Open Close Trunk Control Module A2218708287
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Part no. 9242522-1
BMW X5 E71 Light Module Footwell Control Unit ECU FRM II MAX Lear 9242522
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Part no. A2129009425-1
Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009425
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Part no. 7649131-4
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DME 7649131 Manual
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Part no. A2466280041
Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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Part no. 7579142-15
£BMW E81 E87 LCI 116i 1.6 Petrol N43 ECU Kit DME 7579142 CAS3 + Key Automatic
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Part no. A2108205710
Mercedes-Benz C E Class W202 W203 W210 Windscreen Rain Light Sensor A2108205710
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Part no. A1694403805
Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Part no. 8X2311001AA
Jaguar XF X250 Diesel Engine Starter Motor 12V DENSO 8X2311001AA
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Part no. 02E911022H
Audi S3 8Y 2.0 TFSI Starter Motor Engine Petrol 02E911022H
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Part no. 8792232
BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232
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Part no. 7540510
BMW E60 E63 545i 645Ci 333HP N62 Engine Control Unit ECU DME 7540510 Automatic
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Part no. 8W0907217C
Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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Part no. 3425833
BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247
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Part no. 4G0907355F
Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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Part no. A0009001900
Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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Part no. A9060034199
Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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Part no. A2218209289
Mercedes-Benz S W221 Aerial Antenna Control Unit DAB TV Keyless-GO A2218209289
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Part no. E90 Wiring Loom Set PDC Rear-1
BMW 3 Series 1 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Part no. 6914606
BMW X5 E53 Radio Stereo Screen Multi Functional Display Head 6914606
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Part no. 3457527-1
Mini R58 Footwell Light Module Control Unit High EKS PL3 FRM3R Lear 3457527
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Part no. 8P0959655H
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655H
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Part no. 9204524
BMW 1 Series E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9204524
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Part no. A2469002318-1
Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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Part no. A2649001200-2
Mercedes W205 C 300 264.920 258HP Engine ECU Control Unit A2649001200 Automatic
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Part no. 03L903023F-1
Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Part no. 8V0035864A
Audi A3 8V SAT NAV DAB Stereo Head Unit MMI Multimedia Control Unit 8V0035864A
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Part no. 8736968
BMW F46 Module BCM Body Control Unit Module ECU 8736968
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Part no. 6955348-1
BMW E60 E61 Radio M-ASK M-Audio System Controller CD Player 6955348
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Part no. 9354728
BMW Mini Cooper R56 LCI R60 R61 Radio Visual Boost CD Player CHAMP 2 9354728
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Part no. A6511505933
Engine Wiring Mercedes W212 Diesel OM651 Cable Loom Harness A6511505933
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Part no. A2055403706
Mercedes W205 Front Axle Damper Adjustment Left N/S Wiring Harness A2055403706
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Part no. 9249073
BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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Part no. 9110639
BMW 7 Series E65 E66 Dashboard EXCH Control Display Screen 8,8" 6960096 9110639
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Part no. RHD-99661109101
Porsche Boxster 986 Negative Earth Battery Line Cable Wire 99661109101
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Part no. A2469001216
Mercedes C117 W176 W246 Control Unit CD Player Radio Audio System A2469001216
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Part no. 070906016BT-1
VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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Part no. 6936996-1
BMW 5 Series 1 E60 Light Control Module Unit Lear LME6X MAN. LWR 6936996
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Part no. A2661531491-3
Mercedes W169 A180 M266.940 116HP Engine Unit ECU Kit A2661531491 Key Lock
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Part no. 9684613880
Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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Part no. 9343204
BMW 1 3 E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9343204
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Part no. 23710JD78D
Nissan Qashqai Diesel Engine Control Unit ECU Module 23710 JD78D 0281014361
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Part no. A6511503633
Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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Part no. AC1T10300BB
Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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Part no. A2469007119
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469007119
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Part no. 8511409
BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409
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Part no. A1779005104
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
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Part no. 7964084-LMB
BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
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Part no. A2118279559
Mercedes Navigation CD Road Map Europe APS 2007 A2118279559
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Part no. 9166708-4
BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Honda Civic Starter Motor Actuator Unit 12V 31200-PSA-J52
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BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Part no. 3456051-4
Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Part no. 7810950-2
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Mini Cooper R55 R56 R57 1 CCC Navigation Navi Sat Nav Head Unit 9138452
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Part no. 9423397
AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Part no. 1439874
BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874
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Part no. 8600124-1
Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Automatic
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Part no. A4709000903
Mercedes W470 Air Module System Control Unit Module ECU A4709000903
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Part no. 9251975
BMW F10 Light Control Footwell Module ECU Unit FRM3 9251975
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Part no. 9126251
BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Part no. 9216275
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
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Part no. 9299594
Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594
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Part no. 6963016
Air Control Module BMW E60 E61 E63 Passenger Side Door Unit 6963016
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Part no. 4E0907383E
Audi Q7 4L Tow Bar Trailer Towing Control Module Unit 4E0907383E
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Part no. A6429002900-1
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Keys Lock
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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 .