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. 9231928
Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928
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Part no. 1729981
BMW 5 7 X5 Series E34 E38 E39 E53 Petrol Starter Motor 1729981
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Part no. 9205962-1
BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
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Part no. A6421506691-1
Mercedes W164 ML280 CDI OM642.940 Engine Control Unit ECU Kit A6421506691 Key
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Part no. 3455896-1
Mini R57 Convertible ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Part no. 8073593
BMW F87 M2 N55 Engine Wiring Loom Harness Injection Valve Ignition 8073593
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Part no. 7L0959933H
VW Touareg 7L Body Control Comfort Unit Module STG Convenience ECU 7L0959933H
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Part no. 284B18533R
Renault Trafic 3 Vauxhall Vivaro B Body Control Module ECU BCM T4 L4 284B18533R
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Part no. 9226328
BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
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Part no. A2115457332
Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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Part no. 7512079
BMW 3 Series E46 Petrol Wiring Loom Harness Engine Gearbox Module 7512079
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Part no. A1695407705
Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
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Part no. 4G0035061B
Audi A5 8T Navigation System Car Sat Nav Computer Head Unit CIC 4G0035061B
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Part no. 8W0035708
Audi A4 B9 8W Q5 FY Audio External Connector AUX USB Port 8W0035708
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Part no. A2129001306
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129001306
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Part no. 9282286
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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Part no. 9289614
BMW F10 F11 F20 F21 F30 F31 F32 Navigation DAB Head Unit High 9289614 9290361
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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. 4H0906093G
Audi A8 D4 Diesel Engine Fuel Pump Control Unit Module 12V 4H0906093G
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Part no. A1649004101
Mercedes ML W164 Passenger Side Control Unit Module Fuse Box SAM A1649004101
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Part no. A2118701826
Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118701826
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Part no. A2129003608
Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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Part no. 8H0035225S
Audi A4 B7 Aerial Antenna Amplifier Module Left N/S 8H0035225S
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Part no. 0CQ907554E
Rear Diff Module Seat Leon Cupra 5F VW Golf Mk7 4motion Control Unit 0CQ907554E
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Part no. 3455895-1
Mini Cooper One R57 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
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Part no. 7530354
Mini Cooper R50 R52 Power Steering Pump Power Cables 7530354
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Part no. 6929101
BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Part no. 9683140380
Air Intake Duct Peugeot 3008 Air Intake Channel Unit Duct 9683140380
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Part no. A0121549802-1
Mercedes W211 Alternator Generator A0121549802
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Part no. A0009064508
Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508
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Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
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Part no. 7586940-2
BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual
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Part no. 06K903023G
Audi TT FV Engine Alternator Generator Electric 14V 150A 2.0 TFSI 06K903023G
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Part no. A0025424419-1
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Part no. 7645762-1
BMW Z4 E89 sDrive 20i N20 184HP Petrol Engine ECU Kit CAS3 + Key 7645762 Manual
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Part no. 4E0915181C
Audi A8 4E S8 D3 Battery Voltage Control Module 4E0910181C 4E0915181C
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Part no. A2308204226
Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
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Part no. 2241239-SGM
BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Part no. A6421509089
Wiring Harness Mercedes W221 OM642 Engine Wiring harness Loom A6421509089
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Part no. 8K0971228B
Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
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Part no. 80A906093A
Audi SQ5 FY Petrol Fuel Pump Relay Control Unit Module ECU 80A906093A
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Part no. A2129003502
Mercedes W212 Xenon Headlight Ballast Control Unit Module Hella A2129003502
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Part no. 3451925-1
Mini Cooper One R55 High SPEG DC/DC M3 Fuse Distribution Box 3451925
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Part no. 7565300-1
BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Manual
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Part no. 0263004204
PDC Module Citroen C4 Berlingo Peugeot Parking Assist Control 0263004204
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Part no. A6421506434-1
Mercedes W251 R 320 CDI 642.950 224HP Engine ECU Kit A6421506434 Keys Lock
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Part no. 9221719-1
Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Part no. 8733499
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 8733499
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Part no. GK2T15604FAF
Ford Transit Mk8 VI Body Control Module Fuse Box GK2T-15604-FAF
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Part no. A0061517401-1
Mercedes Sprinter W906 Diesel Starter Motor Engine Valeo A0061517401
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Part no. 9200447-1
BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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Part no. 8506438-2
BMW E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE 8506438 CAS 3 Key Automatic
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Part no. A0009050538
Mercedes-Benz S-Class W221 Multi Purpose Camera Control Unit Module A0009050538
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Part no. 6941018
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Part no. 7550688-2
BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU KIT DME 7550688 + CAS2 + Key
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Part no. A1669003722
Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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Part no. 7524695
BMW Mini Cooper S R52 R53 Gearbox Basic Control Unit EGS 7524695
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Part no. 9119707-1
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9119707
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Part no. A2038209385
Mercedes CL203 C209 Bi-Xenon Headlight Ballast Control Unit Module A2038209385
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Part no. 9196591
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
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Part no. 9128183-1
BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223
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Part no. 6935686
BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686
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Part no. A2469068601-1
Mercedes W176 W246 Battery Junction Block Battery Plus Pole A2469068601
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Part no. 9340337
BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337
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Part no. 6945144
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Part no. 9389246
Mini F55 Front Left Door N/S Wiring Loom Harness Cables 9389246
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Part no. 6934058
BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6934058 6907330
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Part no. 6763811
BMW 1 3 5 6 Series E60 E81 E87 E90 E91 LCI Fuel Pump Control Unit ECU 6763811
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Part no. 9827007180-1
Peugeot 206 2.0 HDI Diesel Engine Starter Motor 9827007180
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Part no. 4868429AD
Chrysler Voyager 2.8 CRD ENR Engine Alternator Generator 4868429AD
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Part no. 9390018
Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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Part no. 8703399
BMW G30 F90 M5 Antenna Aerial Diversity Amplifier Unit 8703399
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Part no. 9281519
BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519
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Part no. 9118823
BMW X3 E83 Radio Navigation System CID Control Unit CD Player 9118823
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Part no. 4H0907064FN
Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
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Part no. A1648207426
Mercedes ML W164 W251 Air Module SRS Control Unit ECU A1648207426
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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Part no. 6918816
BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816
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Part no. 7169960
BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960
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Part no. 6934529
BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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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. 8243267
BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267
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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. 9380947
BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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Part no. 6906598
Mini Cooper One R50 R52 R53 JCW Fuse Relay Electrical Box Housing 6906598
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Part no. A1645403072
Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
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Part no. 7552176-5
BMW E87 E90 118i 318i N46 129HP Engine Control Unit ECU Kit DME 7552176 CAS2 Key
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Part no. 6977724-2
BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. 8571110
BMW G11 G12 G30 G31 G32 B57 Wiring Loom Harness Injection Injector Cable 8571110
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Part no. 1756803
Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271
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Part no. A2045842982
Mercedes W204 Fuse Box Grouping Fuse Placement Map Card Diagram A2045842982
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Part no. A2049001202
Mercedes W204 S204 Estate Rear SAM Control Unit Module A2049001202
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Part no. 9270385
BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270385
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Part no. A2709060026-1
Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A6459060300
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Part no. A4475401755
Earth Ground Cable Mercedes Vito W447 Positive Battery Lead Wiring A4475401755
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Part no. 6920182-1
BMW 3 5 X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182 DAMAGE
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Part no. A1635402209
Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
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Part no. 04L907445G-1
Audi A3 8V 1.6 TDI DGTE 115 HP Engine ECU Kit Ignition + Key 04L907445G Manual
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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 .