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. A1695401006
Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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Part no. A2115453801
Mercedes W211 Sam Unit Module Fuse Box Relay Box Front A2115453801
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Part no. 8591073-4
BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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BMW E81 E87 E88 E90 E91 Radio Business CD Player 9202152
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Part no. 6977634
BMW 7 Series E65 E66 E67 CD Audio System Controller Player 6977634
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Mini Cooper One F57 Convertible Folding Top Control Unit Module CVM 7457434
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Control Unit RDC BMW F10 F01 X3 F25 Tyre Pressure Monitor Module 6864952
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Part no. A2219008103
Mercedes-Benz W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691 Key
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BMW E81 E87 LCI E90 E91 N43 118i 318i ECU Kit DME 7583225 CAS3 + Key Manual
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Part no. A2469060093
Fuse Box Mercedes W176 OM607 Front Relay Control Unit Module A2469060093
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Part no. 3D0941329E
Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E
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Part no. 9273629-1
BMW 5 Series F10 Footwell Light Module ECU Control Unit FRM III TEMIC 9273629
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Part no. A2059008917
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Part no. 6952986
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6952986
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Part no. A9069820109
Mercedes Sprinter W906 Positive Battery Terminal Cover Cap Trim Red A9069820109
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Part no. A0035421919
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0035421919
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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. 3450980
Mini Cooper R56 Footwell Light Module ECU Control Unit Lear PL3 FRM II 3450980
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Part no. 9272369
CD Player BMW F20 F21 Radio Audio Professional Stereo Head Unit 9272369
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Part no. 7620987-1
Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Key Manual
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Part no. 6913389
BMW X3 X5 Z4 E53 E83 E85 6 Disc CD Changer Multichanger Without Magazine
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Part no. A2219007102
Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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Part no. 3453587
BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base B 3453587
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Part no. 6R0919475C
VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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Part no. 9302256
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256
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Part no. A0009003713
Mercedes W205 Tyre Pressure Control Module Unit A0009003713
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Part no. A1695451940-1
Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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Part no. 9231321-1
BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9231321
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Part no. 6827072-2
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Part no. 06F903023C
Audi Volkswagen Seat Skoda Engine Alternator Generator 06F903023C
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Part no. A2709060700
Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
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Part no. 9166279
BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
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Part no. 6919270-2
Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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Part no. 9263794
BMW 1 Series E88 Footwell Light Module Control Unit ECU Lear FRM3R PL2 9263794
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Part no. 3456857
Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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Part no. 7798482
BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
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Part no. 6958127
BMW E93 Convertible Hall Sensor Trunk Boot Control Unit Module 6958127
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Part no. A1635450016
Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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Part no. 6943089
BMW 5 Series E60 E61 E63 Airbag ECU Control Unit Gateway Module 6943089
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Part no. 7527610-11
MINI Cooper S R53 W11 170HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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Part no. 6759412
BMW E85 DSC Speed Accelerator Sensor Cluster Module Unit 6759412
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Part no. 9233047
BMW 7 Series F01 F02 PDC Ultrasonic Sensor Carbonschwarz Carbon Black 416
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Part no. 7801216
BMW X3 E83 2.0d 150HP M47N2 Diesel Engine Control Unit ECU DDE 7801216 Manual
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Part no. 6938930
BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module 6938930
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Part no. 8512047-6
BMW E90 E91 LCI N47N 320d 184HP ECU Module KIT DDE 8512047 CAS 3 Keys Automatic
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Part no. 9304587
Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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Part no. 2447513
BMW F30 F32 F36 Telematics Telephone Control Module ATM ECE 3G 2447513
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Part no. 7583225-18
BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
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Part no. 9339824
Power Supply Module BMW G11 G30 G31 High Voltage Battery Terminal Point 9339824
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Part no. A0365457032
Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
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Part no. RHD-8T2035652G-1
Audi A5 8T A4 B8 Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035652G
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Part no. 7492035
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Part no. 7557395-1
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual
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Part no. 7850995
Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995
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Part no. A0055422118
Yaw Sensor Mercedes R171 W203 W209 ESP Rotation Rate Unit Module A0055422118
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Part no. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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Part no. 9259823
BMW 3 Series E92 E92 LCI Wiring Set Door Co-driver Passenger
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Part no. A2129008409
Radio Head Unit Mercedes W212 Comand Navi CD Player Control Unit A2129008409
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Part no. A1718207226
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207226
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Part no. 8571905-1
BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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Part no. 9308365
BMW X1 E84 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9308365
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Part no. 9147052
BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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Part no. 8742493
BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Part no. A1718204126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. A1669001420-3
Mercedes C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
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Part no. 7559178-2
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. 9230046
BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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Part no. 9214925-1
BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Part no. 8707679
BMW F20 F21 F22 Body Control Module Unit FEM 8707679
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Part no. A4479052505
Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit A4479052505
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Part no. A2055404007
Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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Part no. 7580279-4
BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Part no. 8617050-2
Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8617050 CAS 3 + Key
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Part no. NAPA 95Ah Accumulator
NAPA AGM Accumulator Battery 95Ah 850A 12V AGM019N
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Part no. 9390576
Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576
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Part no. A9069000203
Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9069000203
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Part no. A0055421818
Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
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Part no. 7809944-3
BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7809944 CAS3 + Key
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Part no. 7575327-1
BMW Banner AGM 12V Accumulator Battery 90Ah 900A 7575327
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Part no. A1698208426
Mercedes-Benz A B W169 W245 Front Right Door O/S Control Unit Module A1698208426
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Part no. 9134281-1
BMW X5 E70 Aerial Antenna Amplifier Diversity Module Unit 9193847 9134281
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Part no. A1669005715
Mercedes Sprinter W906 Becker Map Pilot Navigation Module Sat Nav Navi Europe
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Part no. A2538206100
Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
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Part no. A2048208285
Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Part no. A2749000700-1
Mercedes W204 C180 BlueEFFICIENCY M274.910 Engine ECU Kit A2749000700 Key
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Part no. 8631668
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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Part no. 7561834-19
BMW E87 E90 N46 118i 318i 129HP ECU KIT DME 7561834 CAS2 Key Automatic
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Part no. 6901469-4
5X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 6946388
BMW 5 6 Series E60 E61 E63 ECU Control Unit Gateway Module 6946388
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Part no. 6901469-3
Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. TF2218
Ryder Smart Logic Towing Hitch Trailer Hook Relay Control Unit Module TF2218
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Part no. 8734825
Basic Navigation BMW F20 F30 LCI Mini F56 F60 Radio Sat Nav Head Unit 8734825
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Part no. 9434269
BMW F40 Wireless Charger Centre Console Phone Charging Module Unit 9434269
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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 .