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. 9119447
Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
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Part no. 7801173-1
BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173
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Part no. 9384686
BMW 4 Series F32 F82 F83 M4 KaFAS Camera Assist Speed Limit Control 9384686
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Part no. A6421509478-2
Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key
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Part no. 6Q0971235
Volkswagen VW Polo 9N Negative Battery Terminal Ground Cable Wiring 6Q0971235
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Part no. 8377415
BMW E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Part no. 6G9T-14B533-GL
Ford Galaxy Mk3 Door Module Front Left N/S Control Unit ECU 6G9T-14B533-GL
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Part no. 8K0959663F
Audi A6 C7 Voltage Converter Stabilizer Control Module Unit ECU 8K0959663F
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Part no. 9156230
BMW E60 E61 E63 Professional CCC Navigation System Controller 9159022
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Part no. A2465400703
Mercedes W246 Front Bumper Parking Sensor PDC Wiring Harness A2465400703
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Part no. 1K0907115F
Volkswagen Golf Mk5 1K GTI 2.0 TFSI BWA 200HP Engine ECU 1K0907115F Manual
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Part no. 7188110
BMW E61 E65 E66 E67 HKL Bootlid Trunk Lid Control Unit Module
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Part no. 9134662
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 9134662
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Part no. 9206973
BMW E60 E90 E91 X5 E70 Mini R56 FBAS Video Control Unit TV Tuner Module 9206973
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Part no. A0035420318
Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
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Part no. A6429002900-6
Mercedes C207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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Part no. 0C8927750AL
Audi Q7 4L 3.0 TDI Automatic Gearbox Module Control Unit ECU Diesel 0C8927750AL
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Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
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Part no. 9665580680
Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680
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Part no. 9805343480
Citroen Relay III Alternator Generator Valeo 9805343480
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Part no. 8507623-2
BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
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Part no. 9227561
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. 9132214
BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65129132214 9132214
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Part no. A6401507479
Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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Part no. 9302569
Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Part no. 9283247-1
BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Part no. 7522980
BMW E46 Z4 E85 M54 Automatic Gearbox ECU Control Module EGS 7522980
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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. 2K0971557AG
Volkswagen VW Caddy Door Harness Loom Cable Wiring Front Left 2K0971557AG
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Part no. 1T0971557AJ
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
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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. A2118701885-1
Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
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Part no. 7578032
BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
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Part no. 8626086
Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Part no. A1111531879-1
Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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Part no. 8P0907063AD
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD
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Part no. 6H52-14B321-AE
Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE
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Part no. 7639661
BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661
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Part no. 8K0927155AA
Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA
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Part no. A2048703526
Mercedes W204 Rain Light Solar Condensation Sensor Control Unit A2048703526
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Part no. A1679001414
Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414
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Part no. GV6112A650KA
Ford Transit Connect MK2 1.5 TDCI 101HP Engine Unit ECU GV6112A650KA Manual
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Part no. 9666663780
Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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Part no. 6942507
Mini R52 R53 Battery Cable Wiring Lead Positive Plus Pole 6942507
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Part no. A2044400035
Mercedes W204 PDC Sensor Wiring Loom Harness Front Bumper A2044400035
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Part no. 6983018-1
BMW E90 Radio Professional CD Audio Player Dash Control Unit 6983018
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Part no. A2128205404
Mercedes W212 Front Seat Headrest Display Screen Monitor Unit A2128205404
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Part no. A0009005109
Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109
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Part no. 9348763
BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
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Part no. 7796819-1
Engine Wiring BMW X5 E53 3.0d M57N Loom Cable Harness Injector Module 7796819
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Part no. 7209145
BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
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Part no. 8X0959793H
Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
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Part no. 9337200
BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
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Part no. 7533837
BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837
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Part no. 6R0971228S
Negative Battery Cable Audi A1 8X Volkswagen Polo Mk5 6R Cable 6R0971228S
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Part no. A2118701085
Mercedes R171 Navigation Processor Multimedia Control Module Unit A2118701085
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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. 9664611380
Peugeot Expert Citroen Dispatch 2.0 HDI 120HP Engine Unit ECU 9664611380 Manual
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Part no. 8578082
BMW F30 F32 F36 335dX 435dX N57Z 313HP Engine ECU Unit Kit DDE 8578082 Key FEM
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Part no. 7436676
Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
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Part no. A1645403706
Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706
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Part no. 8519009-1
BMW X1 E84 20dX Diesel N47N 184HP Engine ECU Kit DDE 8519009 CAS3 Key Automatic
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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. 04L907309AB
Audi Q3 8U 2.0 TDI DFUA 184HP Quattro Engine Control ECU 04L907309AB Automatic
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Part no. 06E903016S
Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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Part no. 8573116
BMW 5 Series F10 F11 LCI B47 Cable Alternator Starter 8573116
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Part no. 9247470
BMW E90 LCI Junction Box Body Control Module Unit 9247470
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Part no. 6933052
BMW E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC
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Part no. 6961141
BMW X5 Series E53 Light Check Module Control Unit ECU Xenon Lear LCM IV 6961141
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Part no. A1715451301
Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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Part no. 9258350-1
Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Part no. 6989160-BS
BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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Part no. 1756803
Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271
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Part no. 1025-10
BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Part no. 6970676
BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 6970676
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Part no. A0009063822
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. 9181378
Electronics Charging BMW E60 E87 E90 E91 Hands Free Module MULF2 9181378
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Part no. 7542310-5
Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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Part no. 6928572
BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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Part no. 6934846
BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
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Part no. 7553735-6
MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual
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Part no. A2218208089
Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
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Part no. 8509224
Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224
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Part no. 8K0907064CC
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064CC
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Part no. 5WA035284F
VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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Part no. X3 E83 Rear Wiring Loom PDC-1
BMW X3 Series 1 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
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Part no. 7640005-4
Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual
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Part no. 8E5035225D
Audi A4 B7 Window Antenna Amplifier Module 8E5035225D
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Part no. CHIP POWER
Chip Power Box Remap Module Control Unit Wiring Cable Harness Plug OBD2
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Part no. 7545789-16
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Part no. 8506951-1
BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Part no. 4F0035061D
Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D
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Part no. 13222935-1
Vauxhall Corsa D 1.3 CDTi Alternator Generator Electrical Unit 101210-0961
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Part no. 9162982
BMW E81 E87 E90 E91 Hands Free Electronics Charging MULF2 9162982
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Part no. 076911023A
Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
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Part no. A6519009302-5
Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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Part no. A2139005023
Ignition Switch Mercedes C238 Electronic Anti Theft Control Module A2139005023
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Part no. 6938106
BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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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 .