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. 5A0E617
LED Module BMW X3 G01 X4 G02 iX3 G08 Headlight Left N/S MID Module 5A0E617
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Part no. 8EO971824E
Audi A4 B7 2.0 TDI Battery Cable Wiring Harness 8EO971824E
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Part no. A2035400050
Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Part no. 8U0998572A
Audi Q3 8U Headlight Module LED Headlamp Control Unit 8U0998572A
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Renault Trafic 3 Vauxhall Vivaro B Airbag Module Air Bag Unit ECU 985106142R
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Part no. A2465840971
Mercedes W176 Fuse Box Allocation Fuse Placement Map Card Diagram A2465840971
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Part no. A9065403527
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. A2219013000
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Part no. 03G911023
Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
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Part no. 7798035-4
BMW E70 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Part no. 9895416-2
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Lock Manual
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Part no. 8P0907063AB
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AB
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Part no. A6519009102-1
Mercedes W212 E300 Hybrid 651.924 204HP Engine ECU Kit A6519009102 Keys Lock
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Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
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Part no. A2128203885
Door Module Mercedes W212 Rear Left N/S Door Control Unit Module A2128203885
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Part no. 8019683
BMW E60 E61 Rear PDC Parking Sensor Orientblau Orient Blue 8019683
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Part no. 6881474
BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
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Part no. 8695512
BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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Part no. 9242501
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9242501
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Part no. 6922785
BMW 5 6 7 E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6922785
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Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
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Part no. 7799146
Mini R55 R56 Alternator Supporting Bracket Mount Generator Diesel W16 7799146
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Part no. 240165XF0B
Mercedes W470 Door Wiring Cable Harness Loom 240165XF0B
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Part no. 6R0959772D
Audi A1 S1 8X Heated Seat Control Unit Module 6R0959772D
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Part no. 8473185-2
BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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Part no. 7649131-1
BMW F30 F31 320i N20 184HP ECU Control Unit Kit DDE 7649131 Key FEM Automatic
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Part no. 5B5A0E9
BMW F70 F74 U06 U10 U11 Air Module Control Unit ECU 5B5A0E9
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Part no. A2129009229
Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229
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Part no. 8573258-5
BMW F20 F21 F30 118d 318d N47N 143HP ECU Kit DDE 8573258 + Key + FEM Manual
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Part no. 7616500
BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500
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Part no. 9177978-2
BMW E92 M3 ECU Body Control Module Junction Box L1 PL2 JBBFE III 9177978
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Part no. 8618446
BMW X5 F15 High Voltage Battery B+ Cable Wiring Harness 8618446
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Part no. A1765406005
Mercedes X156 Wiring Harness Loom A1765406005
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Part no. 1736922
BMW E31 E32 E34 E34 E39 Petrol Engine Starter Motor 1729982
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Part no. 7607975
Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975
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Part no. A2135402045
Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
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Part no. A1668200400
Mercedes GLE W166 C292 Front Seat Occupancy Sensor Wire Harness A1668200400
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Part no. 6974364
Air Module Sensor BMW E60 E61 E63 Left B-pillar N/S 6974364
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Part no. A2129005010-1
Mercedes W212 Audio CD Player Audio Stereo Radio Head Unit A2129005010
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Part no. 7823291-2
Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956
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Part no. 7807828-3
BMW E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7807828 CAS3 + 2 Keys
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Part no. 8709338
On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709338
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Part no. 4F0910177
Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
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Part no. A2124404851
Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851
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Part no. CC1112B533AB
Ford Transit MK7 Diesel Glow Plug Relay Control Unit Module CC1112B533AB
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Part no. 4E0955559B
Audi Q7 4L Front Windscreen Rain Light Solar Sensor Unit 4E0955559B
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Part no. 9292248-2
Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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Part no. 6948052
BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6941877
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Part no. A2218702826
Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826
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Part no. Halfords 45Ah Accumulator
Halfords 12V Calcium Accumulator Battery 45Ah 380A HB057
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Part no. A2711502933
Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933
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Part no. 4C1112A650JG
Ford Transit MK6 2.4 TDCi Diesel Engine Control Unit ECU 4C11-12A650-JG
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Part no. A2035400006
Mercedes-Benz C W203 Front Bumper Parking Sensor Wiring Loom Cable Harness
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Part no. 9322122-2
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
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Part no. 9279823
BMW F30 REM Rear Electronic Module Fuse Box Control 9279823
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Part no. A2115405945
Mercedes W211 Electronic Stability Module ESP PML Control Unit A2115405945
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Part no. 6909216
BMW 7 Series E66 Long Version Battery Cable Wiring Positive Plus Pole 6909216
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Part no. 7577068-1
BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 + CAS3 + Key Manual
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Part no. 1S0919275D-BLK
Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
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Part no. 8W0907561
Audi SQ5 FY Distronic Radar Sensor Control Unit Module Right O/S 80A907561
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Part no. 1389105
BMW E36 Relay Yellow 5 Pin 1389105
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Part no. rhd-A2479008605
Display Screen Mercedes W177 W247 Instrument Cluster Speedo Meter A2479008605
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Part no. 9484304
Air Module ECU Mini F54 F55 F56 F57 F60 Crash Control Unit Module 9484304
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Part no. 8570676
BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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Part no. A2469000012-1
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
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Part no. 9393182
BMW F25 F26 F15 F16 Audio Amplifier Harman Kardon Surround Sound System 9393182
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Part no. 7561834-5
BMW E87 E90 118i 318i N46 Engine ECU KIT DME 7561834 CAS2 Keys Manual
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Part no. 4F0919603
Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603
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Part no. 03L906018ML-1
Audi Q5 8R CGLB 2.0 TDI 170HP Quattro Engine Control ECU Kit 03L906018ML Manual
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Part no. 8596362-3
BMW F20 F21 LCI 114d 95HP N47 Diesel Engine ECU Control Unit DDE 8596362 Manual
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Part no. 3455528
Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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Part no. 8516253
Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253
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Part no. 7559178-4
BMW E60 E90 E91 330i 530i Engine N52 ECU Kit DME 7559178 CAS2 + 2 Keys Manual
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Part no. A2128270006
Camera Module Mercedes W207 W212 Reversing Rear View Control Unit A2128270006
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Part no. A6471531679-1
Mercedes W211 E270 CDI 647.961 177HP Engine Unit ECU Kit A6471531679 Key Lock
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Part no. A2649001200-3
Mercedes W177 A35 AMG 306HP 260.920 Engine ECU Kit A2649001200 Key BCM Automatic
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Part no. 6962703
BMW E60 E61 E63 Airbag ECU Control Unit Gateway Module 6962703
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Part no. A2701501433
Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433
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Part no. 1388277080
Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080
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Part no. 4G8971365M
Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
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Part no. A6409004900
Mercedes W169 A180 CDI OM640.940 109HP Engine Control Unit ECU A6409004900
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Part no. 7795844-1
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 ECU Engine DDE 7795844 Control Unit
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Part no. A2129009125
SAM Module Mercedes W212 CLS W218 Fuse Box Relay Control Unit A2129009125
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Part no. 8583451
BMW F20 F21 F30 LCI F32 Engine Starter Motor Diesel B37 B47 8583451
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Part no. rhd-A2185404307
Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185404307
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Part no. 4F0907401C
Audi A6 C6 3.0 TDI V6 ABS Quattro 233 HP Engine Control Module Unit Automatic
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Part no. 9170721-1
Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9170721
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Part no. 2033125
Ford Transit Starter Motor Engine 2033125
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Part no. 3457403
BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
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Part no. A9069006002
Mercedes W906 Rear Bumper Blind Spot Radar Sensor Left Right Module A9069006002
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Part no. 8200628419
Renault Trafic Scenic 1.9 DCI Diesel Starter Motor Valeo 8200628419
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Part no. 8506374-4
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Part no. 1K0907115F-1
Volkswagen Golf 5 GTI 1K 2.0 TFSI 200HP Engine Ecu Kit 1K0907115F Key Ignition
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Part no. 8518569-3
BMW F20 F21 F30 F31 118d 318d N47N ECU Kit DDE 8518569 Keys + FEM Manual
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Part no. DriveTec Heavy Duty 80Ah Accumulator
DriveTec Heavy Duty 12V Accumulator Battery 80Ah 660A DM110
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Part no. A6079002300-3
Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Keys Lock
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Part no. 022911023F
Volkswagen VW Golf V TDI Diesel Engine Starter Motor 022911023F
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Part no. 4G0907217A
Audi A6 A7 A8 RS6 C7 Front Camera Assist Line Unit 4G0907217A
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Part no. A2469000012
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
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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 .