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. A2118703794
Mercedes W169 W211 W245 Sound Audio Amplifier Unit Harman Becker A2118703794
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Mercedes ML W163 Comfort Control Module Central Electronics A1635457332
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Part no. LUCAS-AGM-95AH
Lucas LF017 AGM Start Stop Car Battery 95Ah 850A 12V
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Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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ECU Mercedes W124 E280 M103.940 Engine Control Unit Automatic Jetronic
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BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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Battery Cable BMW X5 F15 Positive Plus Pole Distribution Box Wiring SBK3 9322056
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Part no. A6511502790
Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Part no. 4B0057186PX-1
Audi TT 8N Radio Stereo Player Head Unit Chorus 4B0057186PX
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Part no. 2354709-1
BMW 3 5 7 Series E30 E34 E36 E38 E46 Petrol Engine Starter Motor 2354709
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Part no. A6541592200
Mercedes X253 Engine Wiring Cable Cover Duct Bracket Channel OM654 A6541592200
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Part no. 1EA907376B
Audi A3 S3 8Y Rear Suspension Damper Module Control Unit ECU 1EA907376B
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Part no. 5WA959436J-1
Audi A3 RS3 8Y Keyless Go Module ECU Entry Control Unit 5WA959436J
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Part no. A2118702489
Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
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Part no. 6921521-1
Mini Cooper One R50 R53 Navigation Screen Display Instrument Cluster 6921521
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Part no. A6519062300-1
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter NAPA A6519062300
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Part no. A2661531491-5
Mercedes W169 A180 M266.940 116HP Engine ECU Kit A2661531491 Key Lock Automatic
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Part no. 9800590280
Citroen C5 Negative Battery Terminal Cable Eatrh Cable Wiring Lead 9800590280
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Part no. RHD-6832633
BMW F45 X1 F48 Mini F60 Active Tourer Cable Set EPS Wiring Harness 6832633
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Part no. 4M1907468D
Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
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Part no. 7526396
BMW 3 Series E46 Automatic Gearbox Basic Control Unit Module EGS 7526396
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Part no. 8200311550
Renault Master 2 G9U 754 2.5 dCi Diesel Engine Unit ECU 8200311550 Manual
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Part no. A2107600204
Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
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Part no. A2114406209
Mercedes W211 OM646 Battery Cable Starter Alternator Wiring Harness A2114406209
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Part no. A1648703726
Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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Part no. A6511400800-1
Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
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Part no. 7P6919475
Volkswagen Touareg 7P PDC Parking Distance Control Module 7P6919475
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Part no. A6461503278
Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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Part no. ML34-13C148-AE
VW Volkswagen Amarok NF Front Lamp Headlight Control Unit Module ML3413C148AE
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Part no. A6511500156
Engine Wiring Mercedes W204 OM651 Diesel Harness Loom Cable A6511500156
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Part no. BK2Q6M091AD
Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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Part no. AH2211001AC
Land Rover Range Rover Sport L320 3.0 Diesel Engine Starter Motor AH2211001AC
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Part no. 022911024K
Volkswagen VW Golf V 1.6 TDI Diesel Engine Starter Motor 022911024K
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Part no. 9263793
BMW 1 Series E81 Footwell ECU Light Control Module Basis PL2 FRM3R Lear 9263793
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Part no. A0051511301
Mercedes W203 W211 Diesel Engine Starter Motor A0051511301
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Part no. 02Z911024A
Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A
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Part no. 5A4F856
Mini F54 F55 F56 F60 Navigation Media Radio Sat Nav Head Unit 5A4F856
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Part no. 8506566-7
BMW E90 E91 LCI 320d N47N 163HP Engine Unit ECU Kit DDE 8506566 CAS3 Key Manual
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Part no. 7548769-1
BMW 5 Series E60 520i Engine M54 170HP ECU Kit DME 7548769 CAS2 + Key Automatic
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Part no. A6519007600-4
Mercedes W176 A200 CDI BE OM651.901 Engine ECU Kit A6519007600 Key + Lock
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Part no. 6948691
BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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Part no. 402110362
BMW E60 E63 E87 E90 Starter Motor Diesel Engine Actuator RTX 402110362
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Part no. A1645400662
Mercedes W164 Gearbox Module Automatic Transmission Control Unit EGS A1645400662
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Part no. A2535400901
Starter Cable Mercedes W205 GLC X253 M274 Electrical Wiring Harness A2535400901
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Part no. 6854031
BMW F01 F02 F03 F07 F10 F11 F12 LCI Active Steering Control Unit Module 6854031
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Part no. 2K5951172
VW Volkswagen Caddy Maxi Interior Roof Alarm Sensor Module Unit 2K5951172
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Part no. 3Q0959435D
Audi TT FV Mk3 8S Keyless Module Control Unit Comfort Access 3Q0959435D
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Part no. 6Q0035152D
VW Volkswagen Polo 4 9N Radio CD Player Stereo Audio Head Unit 6Q0035152D
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Part no. 9499001-1
BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
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Part no. A0005400372
Mercedes-Benz E-Class W210 Diesel Fuse Box Relay Control Unit A0005400372
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Part no. A1685403706
Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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Part no. 8S0915459A
Audi TT FV 2.0 TFSI CHHC HV Battery Power Central Distribution Point 8S0915459A
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Part no. 8384527
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384527
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Part no. 7503505
Cable BMW E39 Petrol Engine M52 Alternator Starter Cable Wire B+ 7503505
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Part no. 09G927750CA
Audi TT 8N Automatic Gearbox Module Control Unit ECU 09G927750CA
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Part no. ZR1328B
BMW X3 E83 PCT Automotive Towing Hitch Towbar Tow Bar Trailer Relay Unit ZR1328B
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Part no. X3E83REARWIRINGLOOMPDC
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
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Part no. 03L903023K-1
Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K
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Part no. A6461541102-2
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Part no. 9805075680
Citroen Relay Peugeot Boxer III Engine Glow Plugs Wiring Harness 9805075680
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Part no. 9298947
BMW E93 LCI ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9298947
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Part no. A2219007401
Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
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Part no. A2038219551-2
Mercedes CL203 Rear Roof Alarm Motion Sensor Control Unit Module A2038219551
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Part no. LION Motorcycle 12Ah Accumulator
LION 12V Motorcycle Accumulator Battery 12Ah EB14B-BS
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Part no. 03G906021PD
VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Part no. A1635422318
Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Part no. 8V0971228
Audi RS3 8V 2.5 TFSI Quattro Starter Motor Battery Cable Wiring 8V0971228
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Part no. A2515405935
Mercedes-Benz M ML W164 Dashboard Temperature Sensor Harness Wiring A2515405935
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Part no. A2086900028
Mercedes-Benz W202 C208 Roof Alarm Motion Sensor Cover Trim Grey A2086900028
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Part no. A2059008618-1
Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Part no. E93 Wiring Loom Set PDC Rear
BMW 3 Series E93 Convertible Cabrio Wiring Loom Set PDC Rear Bumper Set
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Part no. A2569001200
Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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Part no. A2059003740
Mercedes A205 Convertible Comfort Control Unit Module A2059003740
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Part no. 9424338
BMW F20 F21 LCI 118i B38 136HP Engine Control Unit ECU DME 9424338 Manual
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Part no. 4E0035654A
Audi A6 C6 MMI Multimedia Navigation Control Head Unit 4E0035654A
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Part no. 7567178-13
BMW E90 330i N52B30A 258HP ECU Kit DME 7567178 CAS3 Key Automatic Transmission
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Part no. 02M911024J
Volkswagen Golf 7 Audi A1 A3 Seat Ibiza Petrol Engine Starter Motor 02M911024J
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Part no. 7609656-2
BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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Part no. 2N0971068
VW Volkswagen Crafter 1 Wiring Loom Harness Cable 2N0971068
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Part no. A6461540102
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A A6461540102
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Part no. A2721540102
Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
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Part no. FV6T-14A280
Ford Transit Connect Cable Alternator Starter Motor Battery Wiring FV6T-14A280
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Part no. 9381780-1
BMW Varta AGM Car Battery 12V 70Ah 720A 9381780 9878490
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Part no. 9316655
Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654
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Part no. 8S0907468D
Audi TT FV Mk3 8S Gateway Module Interface Data Bus Control Unit 8S0907468D
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Part no. 4G0907553F
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Part no. 7T1T9H589BD
Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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Part no. 9240528-3
BMW E92 LCI Footwell Xenon Light Control Unit Module Lear FRM3R PL2 9240528
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Part no. 9232896-2
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
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Part no. A6511502900
Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Part no. A2088206010
Mercedes W202 C208 W208 Alarm Sensor Module Unit A2088206010
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Part no. A2105401530
Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Part no. 03G906018DN-2
Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic
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Part no. 8586540-4
BMW X5 F15 X6 F16 30dX N57N 258HP Engine ECU Kit DDE 8586540 BDC Key Automatic
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Part no. A0015429619
Mercedes R129 W202 Relay Green Control Unit 12V 30A A0045450405
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Part no. 8055326
BMW 3 4 Series F80 M3 F82 M4 LCI Fuel Tank Heat Insulation Plate 8055326
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Part no. 3415607
BMW X3 E83 LCI Petrol N52N Cable Alternator Starter Base B+ 3415607
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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 .