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. 7594305-5
BMW E60 E61 E90 E91 LCI 325i N53 218HP Engine Control ECU DME 7594305 Automatic
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BMW X3 E83 LCI Battery Positive Lead Red Cable Plus Pole Wire 3414878
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BMW Mini Cooper R60 R61 Wiring Cable Harness Instrument Dashboard Dash 9812264
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BMW X3 X4 G01 G02 Footwell Light Module Carpet Control Unit ECU Right 7478448
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BMW F22 F23 F30 F34 LCI Control Unit Air Module ECU 6826985
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Audi A3 8P Engine Starter Motor Actuator 2.0 TDI Diesel 02E911023Q
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BMW E60 E65 E90 330d 530d 730d M57N2 Engine DDE Control Unit 7808222 Automatic
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Porsche Boxster 986 Fuel Pump Relay Control 12V 15A 99661510100
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BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187
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Part no. A2048704994-1
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2048704994
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BMW F10 F12 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9252550
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Part no. 8P0035785-1
Audi A3 8P Multimedia Interface Unit Module Bracket Mount 8P0035785
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Part no. 7539808-1
MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Kit DME 7539808 EWS Key Manual
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Part no. 6939712
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
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Part no. 038906019KE
VW Volkswagen Passat B5 2.0TDI AWX 130HP Engine Unit Module ECU 038906019KE
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Part no. A2118702726
Mercedes C E Class W203 W211 Bluetooth Control Unit Module ECU A2118702726
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Part no. 1729004
BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004
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Part no. A0335456326
Mercedes W205 Wiring Loom Harness Clutch Connector Cable Control A0335456326
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Citroen Relay Peugeot Boxer Fiat Ducato Fuse Box Control Unit 1388593080
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Part no. 8513242-4
BMW F10 F11 520d N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Keys Automatic
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Part no. 6992954
BMW X4 F26 Footwell Light Module FRM III Control Unit 6992954
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Part no. 7594305-4
BMW E90 E91 E92 330i N53 272HP ECU DME Kit CAS3 + Key 7594305 Automatic
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Part no. 9281915
BMW 3 Series F30 F31 Radio Professional CD Player 9281915 65129281915
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Part no. 7809000-5
BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 CAS3 + Key Automatic
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Part no. rhd-7572883
BMW 7 Series E65 740i Petrol N62 Engine Wiring Loom Harness Automatic 7572883
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Part no. 04L907309P
Audi A3 8V 2.0 TDI DFGA 150HP Engine Control Unit ECU 04L907309P Automatic
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Part no. A6519007703
Mercedes W906 Glow Plug Relay Module Unit A6519007703
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Part no. 04C903021A
Volkswagen Golf Sportsvan 1.5 TSI Alternator Valeo 14V 140A 04C903021A
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Part no. A2059000146-1
Mercedes W205 Display Screen Instrument Cluster Speedo Meter Sat Nav A2059000146
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Part no. 5Q0959655AB
Audi A3 S3 8V Air Module Control Unit ECU Impact Sensor 5Q0959655AB
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Part no. 7570487-1
Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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Part no. A0009003313
Adblue Module Mercedes W205 W222 W253 Exhaust Gas Control Unit ECU A0009003313
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Part no. RHD-6974666
BMW E84 E90 E91 Instrument Cluster Speedo Clocks Automatic 6974666
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Part no. 4M8962239
Audi Q7 4M Rear Boot Lid Tailgate Opening Module Cable Wiring Line 4M8962239
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Part no. 04L903141B
Audi A5 8T Alternator Generator Rack Mount Bracket 04L903141B
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Part no. 9244135
BMW E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9244135
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Part no. A2218209089
Mercedes W221 Final Stage Speaker Booster Amplifier Sound System A2218209089
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Part no. 8593105
BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105
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Part no. 7533651-7
BMW Z4 E85 3.0i M54 231HP ECU Engine Control Kit DME 7533651 EWS3 Key Automatic
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Part no. 9219318
BMW F01 F02 F10 F11 Body Gateway Control Module Unit ZGW-01 Lear 9219318
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Part no. CY-ET900
Panasonic CY-ET900 Electronic Toll Collection Unit Japanese Highway Module
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Part no. 6965942-1
PDC Wiring MINI Cooper One R50 Rear Bumper Cables Loom Set
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Part no. 3457050-2
Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3457050
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Part no. A2909064100
Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100
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Part no. 9157155
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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BMW E65 E66 Seat Occupancy Sensor Mat Electronic Control Unit 6917134
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Part no. DURACEL-AGM-92AH
Duracell Advanced Extended Accumulator Car Battery Unit 92Ah 850A 12V
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Part no. 7607685
Mini One R56 LCI R60 N16 98HP Petrol Engine ECU DME 7607685 Control Unit Manual
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Part no. 9380239
Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239
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Part no. 7640755-2
BMW F20 F21 114i N13 102HP Engine Control Unit Module ECU DME 7640755 Manual
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Part no. 6983067
BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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Part no. 6821970
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 6821970
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Part no. A6401502579-1
Mercedes W169 200CDI OM640.941 140 HP Engine Module ECU Kit A6401502579 Key Lock
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Part no. 4F1971029AF
Audi A6 C6 Front Driver Door Wiring Right O/S Harness Loom Cable 4F1971029AD
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Part no. A2711502433
Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Part no. 7H0907652
Volkswagen Touareg Yaw ESP Rate Sensor Module Unit Control ECU 7H0907652
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Part no. Lucas 80Ah Accumulator
Lucas AGM Start Stop Accumulator Battery 80Ah 800A 12V 110 AGM
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Part no. A0035423918
Yaw Sensor Mercedes W203 W209 ESP Rotation Rate Control Unit Module A0035423918
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Part no. 8691836-2
BMW F20 F30 LCI 118i 318i B38 136HP ECU Kit DME 8691836 Key FEM Lock Manual
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Part no. A2078210411
Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
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Part no. 8U0907463A
Audi Q3 8U Headlight Headlamp Cooling Fan Left Right N/O/S 8U0907463A
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Part no. 281151185R
Renault Trafic 3 Vauxhall Vivaro B Radio Stereo Audio Head Unit 281151185R
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Part no. A0009822923-1
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey SET X2 A0009822923
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Part no. A2035453401
Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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Part no. A1698203775
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203775
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Part no. A2711535891-2
Mercedes CL203 CLC 180K 143HP M271.946 Engine Control ECU A2710108747 Automatic
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Part no. Plug Drive
Vodafone V-Auto Plug & Drive GPS Car Tracker Telematic Services System OBD
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Part no. 8611289
Mini Cooper S R56 JCW Coolant Thermostat Adapter Wiring Cable 8611289
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Part no. 8980147432
Vauxhall Astra H Corsa D Merriva B 1.7 CDTI Engine Starter Motor 8980147432
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Part no. 8T0035223AD
Audi A4 B8 Bose Audio AMP Amplifier Module Control Unit ECU 8T0035223AD
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Part no. 6882963
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6882963
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Part no. 8W0971030
Audi A4 S4 B9 Front Door Wiring Harness Loom Cable Left N/S 8W0971030
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Part no. 9196760
BMW E60 LCI E63 CHAMP Business System Controller CD Player 9196760
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Part no. A2059008304
Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304
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Part no. 5Q0937084DC
Audi A3 RS3 8V Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DC
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Part no. 9248556
BMW F01 F10 F12 F30 Front Seat Electrical Control Unit Module ECU BA/M 9248556
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Part no. A2225403150
Fuse Box Mercedes W205 Front Passenger Side Footwell Fuse Box A2225403150
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Part no. A6519003802
Mercedes W906 OM651 Glow Plug Control Replay Module Unit ECU A6519003802
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Part no. 7639661
BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661
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Part no. A2055409309
Door Wiring Mercedes W205 C253 Passenger Side Cable Harness Loom A2055409309
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Part no. 7797217
BMW 1 3 5 Series E60 E87 E90 E91 M47N2 120d 320d ECU Kit DDE CAS2 Key 7797217
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Part no. 3449689
BMW X3 E83 LCI HeadLamp Light Control Module Lear LM II AHL 3449689
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Part no. 7640005-12
Mini One R55 R56 N12 1.4 95HP Engine Control Unit ECU Kit DME 7640005 CAS3 Key
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Part no. 03L903017B
Audi Q5 8R 2.0 TDI Quattro Alternator Generator 03L903017B
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Part no. 7600020-5
BMW Mini Cooper R56 N12 1.6 120HP ECU Kit DME + CAS 3 + 2 Keys 7600020 Manual
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Part no. 6946409
Antenna Amplifier BMW E60 LCI Aerial Diversity Control Unit DAB 6946409
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Part no. 7809794-3
Mini Cooper D R55 R56 Diesel W16 109HP ECU Control Unit DDE 7809794 Manual
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Part no. 39113-2A511
Kia Ceed I 1.6 CRDI 115HP D4FB Diesel Engine Control ECU 39113-2A511 Manual
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Part no. A2044401338
Door Wiring Mercedes W204 Front Loom Cable Wire Harness A2044401338
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Part no. 7794952-4
Starter BMW E60 520d M57N2 Diesel Engine Starter Motor 7796892
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Part no. 9314634
Mini Cooper F54 F55 F56 F60 HSD Line Cable Wire HU - CID 9314634
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Part no. A2518706689
Mercedes W164 Sound Audio Amplifier Module Harman A2518706689
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Part no. 6998485
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 6998485
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Part no. 9353421
BMW F11 LCI Body Control Module Unit V7 PL6 JBBFE III 9353421
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Part no. 9253563
BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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Part no. A2115409910
Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910
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Part no. 899543000
Porsche Boxster 986 A/C Air Conditioning Relay Control 12V 10A 899543000
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Part no. 8691833
Mini Cooper F56 JCW B48 231HP Petrol Engine ECU DME 8691833 Manual Transmission
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Part no. 6782283
BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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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 .