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. 9348362
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Part no. 8E1971035DJ
Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ
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Part no. 03D903025J-1
Seat Ibiza Volkswagen Polo Mk5 6R 1.2 Petrol Alternator Generator 03D903025J
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Part no. A2465403805
Mercedes W176 W245 Front Left N/S Door Wiring Loom Harness A2465403805
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Part no. A2168206526
Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526
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Part no. A6511500156
Engine Wiring Mercedes W204 OM651 Diesel Harness Loom Cable A6511500156
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Part no. 9197161
BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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Part no. 7520019-10
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. 7550967
BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Part no. 6906911-1
BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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Part no. 059911024G
Audi A6 C6 ASB 3.0 TDI V6 Starter Motor 059911024G
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Part no. 968824678
Peugeot 5008 2.0 HDI Diesel Injector Wiring Loom Cable 968824678
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Part no. A0051511301
Mercedes W203 W211 Diesel Engine Starter Motor A0051511301
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Part no. A9079060100
Mercedes Sprinter W907 Battery Power Distributor Current Limiter A9079060100
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Part no. 8473167
BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498
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Part no. A1699004800-1
Mercedes W169 W245 SAM Control Module ECU Fuse Box A1699004800
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Part no. 6868873
Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Part no. 6781406-1
BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor
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Part no. 8507915
Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915
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Part no. 9145162
BMW E93 Hifi System Amplifier Sound System Amp 9145162
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Part no. 9495910
BMW F45 X1 F48 i3 I01 Airbag Module Control Unit ECU Air Bag 9495910
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Part no. 8488548
High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548
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Part no. 9264625
Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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Part no. 9247472
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472
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Part no. A6398200186
CD Radio Mercedes W639 W906 Audio Stereo Head Unit A6398200186
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Part no. 7639421
Mini Cooper S R56 LCI R60 N18 184HP Engine ECU Control Unit DME 7639421 Manual
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Part no. 4E0907476
Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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Part no. 9688409680
Peugeot 5008 2.0 HDI Diesel Glow Plug Wiring Loom Cable 9688409680
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Part no. 8645325-1
BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325
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Part no. 04L907282
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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Part no. A0005429223
Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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Part no. 7519308-3
BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key
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Part no. 8K0907637D
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637D
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Part no. 06F903023C
Audi Volkswagen Seat Skoda Engine Alternator Generator 06F903023C
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Part no. A0009060401-1
Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
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Part no. 9664611380
Peugeot Expert Citroen Dispatch 2.0 HDI 120HP Engine Unit ECU 9664611380 Manual
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Part no. A2129008307
Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307
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Part no. 1638115880
Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 1638115880
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Part no. 6945661
BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5"
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Part no. 7938190
Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
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Part no. A2517253714
Mercedes W177 Automatic Gearbox Wiring Loom Harness Cable A2517253714
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Part no. A2123300135
Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
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Part no. A0025451901
Mercedes W210 Fuse Box Sam Module Control Unit A0025451901
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Part no. 02M911023
Audi TT 8N Mk1 1.8T Petrol Engine Starter Motor Assembly 0001121022 02M911023
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Part no. 8200404459D
Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D
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Part no. A6399003100
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003100
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Part no. A0009009935
Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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Part no. A9105409455
Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
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Part no. A0009105202
Mercedes ML W164 Lumbar Module Front Seat Control Unit A0009105202
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Part no. A2059009727
SRC Module Mercedes W205 Front Air Module SRS Control Unit ECU A2059009727
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Part no. 7798180-2
BMW E60 E87 E90 E91 120d 320d 520d M47N2 ECU Kit DDE 7798180 CAS2 + Key Manual
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Part no. 4542789
Mini Cooper One R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 4542789
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Part no. 8506375-2
BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + 2 Keys
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Part no. 7811701
BMW E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU Automatic
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Part no. A0005404750
Mercedes-Benz S CL Class W220 C215 Fuse Box Battery Connector A0005404750
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Part no. 6875202
BMW F10 Touch Detection Module Steering Wheel Control Unit HOD F45 i3 6867308
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Part no. 9173686-2
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Part no. 8519663-12
Mini Cooper SD R55 R56 LCI R60 N47N 143Hp Diesel ECU Kit DDE 8519663 CAS3 Keys
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Part no. 7789376-3
BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
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Part no. 4G8959107N
Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
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Part no. A2208203685
Mercedes W220 Headlight Head Lamp Control Module Unit A2208203685
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Part no. 8K0959793E
Audi A4 B8 Door Module Front Drive Side Control Unit ECU 8K0959793E
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Part no. 9286882
BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
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Part no. A2115459301
Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301
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Part no. 059903018Q
Audi SQ5 8R 3.0 TDI CGQB Diesel Engine Alternator Generator 059903018Q
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Part no. A0009062003
Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
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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. 7640875
Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875
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Part no. 6906607
Fuse Box BMW E87 E90 E91 E92 E93 Front Power Distribution Relay Box 6906607
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Part no. A9079821100
Mercedes W910 Engine Hood Microswitch Cable Wiring Loom Harness A9079821100
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Part no. 1734633
Ford Fiesta MK7 1.6 TDCI Starter Motor Engine Diesel 8V2111000AD
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Part no. A2129001227
Gateway Control Unit Mercedes W204 W212 Gateway Module ECU VST A2129001227
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Part no. 7615981-2
Mini One R55 R56 R57 LCI N16 1.6 Petrol Engine ECU Kit DME 7615981 + CAS 3 + Key
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Part no. 6846905
BMW 1 2 Series F20 F21 F23 LCI Top Hifi Audio Amplifier Harman Kardon 9307293
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Part no. 7594483-1
BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic
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Part no. A2118704585
Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Part no. 1K0959433AR
Volkswagen TOURAN 1T Body Control Comfort Unit Module BCM Unit ECU 1K0959433AR
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Part no. 4F0910801D
Audi A6 C6 Electric Parking Brake ECU Control Unit Module 4F0910801D
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Part no. 3456395-4
Mini Cooper R60 Control Unit Light Module High EKS ECU PL3 FRM3R 3456395
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Part no. 03D906023Q
Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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Part no. 9146036
BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036
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Part no. 070903143C
Volkswagen Touareg 7L Alternator Mounting Bracket Carrier Holder 070903143C
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Part no. 7580279-3
BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox
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Part no. 5N0906093C
Audi Q3 S Line Fuel Pump Relay Control Unit Module ECU 5N0906093C
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Part no. 9179808
BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Part no. 9146329-1
BMW X5 E60 E61 E65 E70 Front Left N/S Seat Angle Adjustment Drive 9146329
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Part no. 9335474
BMW X3 F25 Cables Set Wiring PDC Parking Sensor Front Bumper 9335474
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Part no. A6519007500
Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic
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Part no. A0035452405
Relay Mercedes W124 E280 Petrol Fuel Pump Cut Off Relay A0035452405
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Part no. A2129006624
Fuse Box Mercedes W204 Front Relay Control Unit Module SAM A2129006624
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Part no. 9278745
BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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Part no. 1005831549
Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549
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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. 7789980-2
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 9229740
BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740
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Part no. 95920-4H000
Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000
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Part no. A0051510601
Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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Part no. A0055461040
Energy Distributor Mercedes W204 W212 W906 Power Block Control Unit A0055461040
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Part no. 7583225-14
BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
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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 .