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. 1T0971121L
Volkswagen Touran 1T Front Door Right O/S Electrical Wiring Harness 1T0971121L
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Part no. A4479005217
Mercedes W447 Head Unit CD Radio DAB Player Navigation GPS Navi A4479005217
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Part no. 9231321-1
BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9231321
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Mercedes-Benz E CLS Class W211 W219 Box Unit Cover ECU Holder A2115400024
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Part no. YUASA Silver 5000 80Ah Accumulator-1
YUASA Silver 5000 12V Accumulator Battery 80Ah 760A HSB019
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Part no. A1669000609
Mercedes W204 Becker Map Pilot Navigation Module Sat Nav Navi A1669000609
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Part no. 6827072-2
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Part no. A0365453232
Mercedes C219 Electronic Level Air Suspension Module Control Unit A0365453232
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Part no. 6C1T-10300-CD
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CD
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Part no. 4G1035223A
Power Audio Audi A6 S6 C7 A7 S7 4G A8 S8 D4 Sound Amplifier Amp 4G1035223A
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Part no. 03L906022BQ-1
Audi A3 8P 2.0 TDI CBAB 140HP Engine ECU Kit Ignition + Key 03L906022BQ Manual
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Part no. A2088200285
Mercedes-Benz W163 W168 W210 CD Player Audio Stereo Radio Head Unit A2088200285
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Part no. 8652443
BMW F45 Wiring Harness Motor Sensor System Module 8652443
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Part no. 252160006R
Renault Master III Contact Conector Male Sliding Doors 252160006R
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Part no. 7579142-18
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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Part no. 8518423-1
BMW F20 F30 120d 320d N47N 184HP Engine Unit ECU Kit DDE 8518423 FEM Key Manual
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Part no. 4F0959792R
Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R
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Part no. 6907646
BMW 7 SERIES E65 E66 E67 Loudspeaker Box Right O/S 6907646
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Part no. 8587952
BMW F20 F21 F30 LCI 120d 320d B47 Diesel ECU Engine Unit DDE 8587952 Automatic
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Part no. 8473185-4
BMW F30 320d F36 420d LCI B47 190HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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Part no. A2055402024
Mercedes-Benz C200 W205 Touch Panel Controller Wiring Harness A2055402024
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Part no. 6754289
Speed Sensor BMW Z3 E36 3 E46 DSC Yaw Rotational Speed Sensor 6754289
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Part no. A2138203200
Mercedes W213 W257 Multimedia Unit USB Port A2138203200
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Part no. 9348356
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9348356
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Part no. A2139003711
Mercedes W213 SAM Module Signal Actuation Module Comfort Unit A2139003711
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Part no. 7803373-8
BMW E60 E90 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 Keys CAS3
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Part no. 8663284-1
BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
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Part no. 6943833
BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Part no. 7615981
BMW Mini Cooper R56 LCI R60 R61 Petrol N16 DME Engine Control Unit ECU 7615981
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Part no. 6818076
BMW 12V Accumulator Battery 70Ah 570A 8381730
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Part no. 4L0907468C
Audi Q7 4L Gateway Module Central Control Unit 4L0907468C
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Part no. rhd-A6421506133
Engine Wiring Mercedes W211 CLS C219 OM642 Harness Loom Cable A6421506133
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Part no. 7856771
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771
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Part no. 1T0971557AD
Volkswagen Touran 1T Door Cable Wiring Harness Loom Front Left N/S 1T0971557AD
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Part no. 9117559
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9117559
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Part no. 8E0919283D
Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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Part no. A6079001800-1
Mercedes W176 A180 CDI OM607.951 109HP Engine ECU Kit A6079001800 + Key + Lock
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Part no. 3450543
Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450543
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Part no. 7806987-6
BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Keys
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Part no. 7539808
MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Control Unit DME 7539808 Manual
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Part no. 9267518
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Mid 9267518
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Part no. 9131710-1
BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Part no. 23300JG70A
Nissan Qashqai Diesel Engine Starter Motor Actuator Starter 23300JG70A
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Part no. 504121602
Iveco Daily 2.3 Diesel Engine F1AE0481 Unit Module ECU Manual 504121602
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Part no. 6774078-1
BMW Mini Cooper One R50 R53 R55 R56 R57 Input Cylinder Clutch Control 6758825
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Part no. A9069006701-1
SAM Module Mercedes Sprinter W906 Fuse Box Relay Control Unit A9069006701
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Part no. 9302228
BMW F10 F20 F22 F30 Multimedia Stereo Navigation Sat Nav Head Unit High 9302228
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Part no. 55580911
Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55580911
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Part no. A6519007500-5
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Part no. 8K0862401A
Audi S5 8T Telephone Holder Connection Adapter Module 8K0862401A
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Part no. A0395453128
Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness AUX A0395453128
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Part no. 9399427-1
Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
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Part no. A1684620890-1
Mercedes-Benz A-Class W168 1 Automatic Transmission Bowden Cable A1682901585
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Part no. 6970892
BMW 7 Series E65 E66 Sensor B-pillar Right Airbag O/S 6970892
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Part no. 7570488-4
Mini Cooper R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 7570488
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Part no. 8T0959760B
Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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Part no. 6840446
BMW i3 I01 High Voltage Air Con Compressor A/C Cable Wiring Harness 6840446
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Part no. A2709060700
Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
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Part no. 7557809-6
BMW E87 116i E90 316i N45 116HP Engine ECU KIT DME 7557809 CAS2 2 Keys Manual
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Part no. 9364726-1
Mini Cooper One F55 F56 Rear Bumper PDC Cables Wiring Loom Set 9364726
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Part no. A2219002604
Mercedes-Benz S-Class W221 TV Tuner Receiver Control Unit Module A2219002604
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Part no. 6942693
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV AUTO.LWR 6942693
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Part no. 9128183-1
BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223
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Part no. 7566706
BMW E60 E61 E63 E65 550i 650i 750i N62N 367HP Engine ECU DME 7566706 Automatic
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Part no. rhd-7801103
BMW 3 Series E90 E91 E92 325D M57N2 Diesel Automatic Engine Wiring Loom Harness
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Part no. 7304626
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7304626
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Part no. 03L906022DH
Audi TT 8J 2.0 TDI 170HP CBBB Quattro Engine Module Unit ECU 03L906022DH Manual
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Part no. 4F0035541K
Audi S4 B8 Radio Reveiver Tuner K BOX MMI Unit ECU 4F0035541K
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Part no. 9349875
Door Wiring BMW i3 I01 Cable Loom Rear Left Right N/O/S Harness 9349875
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Part no. 7600020
BMW Mini One R55 R56 N12 1.4 95HP ECU Kit DME CAS 3 Key 7600020
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Part no. 7575650
MINI Cooper One R55 R56 R57 R57 R58 LCI Alternator Generator Petrol 7575650
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Part no. A2129000023
Mercedes A207 Fuse Box Relay Rear SAM Control Unit Module A2129000023
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Part no. 5B547A4
BMW E65 E66 E67 Control Unit Door Front Driver's Side 5B547A4
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Part no. 9226957
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9226957
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Part no. 9166279
BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
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Part no. 9162930-WB1
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896 SET X2
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Part no. 9337656
Mini Cooper One F55 F56 F57 Sensor For Pedestrian Protection PTS 9337656
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Part no. 9145102-1
Dashboard Screen BMW E60 E90 Dash Onboard Monitor Display 8.8" CCC 9145102
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Part no. 9289582
BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
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Part no. 8517874-3
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Keys + FEM + Lock Manual
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Part no. 6961218
BMW 5 X5 Series E39 E53 Radio Business CD Player 6961218
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Part no. 5F0035858A
Seat Leon Mk3 5F Radio Head Unit Multi Media CD Player Sat Nav 5F0035858A
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Part no. 5Q4959593K
Seat Ateca Door Module Control Unit Front Driver's Side Door 5Q4959593K
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Part no. 05E903026K
Volkswagen Golf Mk8 Audi Q2 GA A3 8V 8Y 1.5 TSI Alternator 14V 140A 05E903026K
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Part no. 7831436
Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791
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Part no. 8691827-1
Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual
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Part no. A2535403700
Mercedes X253 Rear PDC Parking Aid Sensors Harness Wiring Loom Cable A2535403700
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Part no. A2098205026
Mercedes W209 Convertible Roof Module Folding Top Control Unit ECU A2098205026
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Part no. 9655296080
Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080
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Part no. NAPA 74Ah Accumulator
NAPA Accumulator Battery 74Ah 680A 12V 096N
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Part no. A2315401050
Mercedes SL63 R231 Roadster Fuse Box Passenger Footwell Fuse Box A2315401050
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Part no. A6519002803
Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
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Part no. 9278358
BMW F20 F21 F22 F87 Windscreen Camera Front Window KaFAS Camera 9278358
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Part no. 7789981-1
Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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Part no. 6963038
BMW Z4 E85 Body Control Unit Module GM5STAR12 LOW 6963038
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Part no. 03C903023S
Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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Part no. 6919270-2
Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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Part no. 6G9N10300UD
Ford Focus Mondeo Diesel Engine Alternator Generator Engine Unit 6G9N-10300-UD
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Part no. 9187644
BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 9187644
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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 .