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.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 35962
BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5QF959655BT
Seat Ibiza Mk5 Air Module Control Unit 5QF959655BT
€218.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8510221-13
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 Automatic
Promo price
€189.95
€161.46
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 99660410300
Porsche Boxster 986 2.7 Petrol Engine Starter Motor Unit 99660410300
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9240508
Fuse Map BMW X5 X6 E70 E71 Assignment Grouping Card 9240508
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8P0907530B
Audi A3 8P Gateway Control Unit Module ECU 8P0907530B
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2059004113-1
Mercedes S205 Display Screen Multimedia Navigation Sat Head Unit A2059004113
€66.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A6071550335
Alternator Belt Tensioner Mercedes W176 OM607 Diesel Holder Mounting Panel
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 6972065
BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 4H0937555
Audi A8L 4H Fuse Box Relay Chamber Lower Cover Lid Housing 4H0937555
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6957759
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6957759
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A9075409482
Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482
€47.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9393144
BMW G11 G30 Fuse Box Power Distribution Electrical Control Unit Box Rear 9393144
€47.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2124407038
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124407038
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2535402128
Mercedes X253 Starter Motor Wiring Harness Cable A2535402128
Promo price
€66.95
€40.17
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 7621860
Mini Cooper One R55 R56 R57 Control Unit Module Bracket Holder EGS 7621860
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A1665402102
Battery Cable Mercedes W166 C292 Starter Alternator Wiring Harness A1665402102
Promo price
€47.95
€28.77
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8513249
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic
Promo price
€85.95
€73.06
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A6421509478-3
Mercedes W164 ML320 OM642.940 224 HP 4Matic Engine ECU Kit A6421509478 Automatic
€279.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2129004518
Door Control Unit Mercedes W204 W207 W212 Front Left N/S Module ECU A2129004518
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3401995
BMW X3 Series E83 M57N2 3.0d Diesel Cable Alternator-Starter-Base B 3401995
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2055406304
Mercedes W205 Hybrid Battery Cable Starter Wiring Loom Harness A2055406304
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 94520-4H0004X
Hyundai H-1 Dashboard Panel Digital Clock Watch Unit 94520-4H0004X
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2059007123
Mercedes W176 W212 W246 Telematics Communication Control Unit Module A2059007123
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2661501233
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2058200704
Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 4F0903291
Audi A6 C6 3.0 TDI Suppression Condenser Noise Filter 4F0903291
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5K0962132B
Seat Ibiza V KJ1 Keyless Entry Amplifier Aerial Antenna Module Inner 5K0962132B
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8Y0963554B
Volkswagen Golf 8 Rear Seat Couch Occupancy Sensor Unit 8Y0963554B
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 7579155
Engine Starter Motor BMW X5 E70 LCI F07 X6 E71 N55 Petrol Denso 7579155
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2215408445
Mercedes W221 Radar Distronic Adaptive Cruise Control Sensor A2215408445
Promo price
€379.95
€322.96
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8647255
BMW F20 LCI F21 F22 Integrated Supply Control Module Unit 8647255
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 80A907159
Audi SQ5 FY Control Unit Module Active Sound Design 80A907159
Promo price
€85.95
€73.06
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8574372
BMW F30 F32 330d 430d Diesel N57N Engine Control Unit ECU DDE 8574372 Automatic
Promo price
€189.95
€113.97
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2229001814
Door Module Mercedes W205 X253 Rear Left N/S Control Unit A1698209126
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3413934-2
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 1452049
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2079011800
Mercedes W204 W207 Control Unit ECU Sensor Module Air SRS Bag A2079011800
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0015452616
Mercedes W212 Transmission Control Unit Module VDO EGS 722.646 A0015452616
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. PEO118811
Mazda 6 GJ Relay 4-Pin Electrical Unit Multi-Purpose Relay Black ACVN51212
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A4159064900-1
Mercedes Citan W415 Alternator Generator OM607 Diesel Engine 150A 14V 231000026R
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4H0955557A
Porsche Macan 95B Front Crash Impact Sensor Air Module Control Unit 4H0955557A
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2129008816
Mercedes X218 Radio Comand Navigation Seat Control Unit Module A2129008816
€256.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 1K0971349CR
Skoda Octavia 1Z Audi A3 8P Alternator Wiring Harness Loom Cable 1K0971349CR
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 9322122-2
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 3G0962243C
Volkswagen Seat Skoda Audi Tailgate Module Controller 3G0962243C
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9389560
Aerial Trap Circuit BMW G30 X3 G01 Antenna Amplifier Module Control Unit 9389560
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 80A941823A
Audi Q5 FY Positive Battery Terminal Potential Distributor 80A941823A
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8586568
BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6957762
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9136725
BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136725
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9362445
BMW F20 F21 F22 Audio Amplifier Harman Kardon Active Sound Design Unit 9362445
€104.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8648856
BMW F39 F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648856
Promo price
€47.95
€28.77
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9857620
Door Wiring Mini F60 Cable Loom Rear Left Right N/O/S Harness 9857620
Promo price
€66.95
€40.17
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9385026-1
BMW F01 F07 LCI F10 F11 F25 Air Module Control Unit ECU 9385026
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7948147
BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9355462
BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
Promo price
€113.95
€68.37
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 7939175
Mini F54 F55 F56 F57 F60 Rain Light Solar HUD Sensor 9496244
Promo price
€66.95
€40.17
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 3Q0907530BF
VW Polo Mk6 Seat Ibiza Mk5 Central Gateway Control Unit Relay ECU 3Q0907530BF
€85.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4D0907131
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 12V 4D09907131
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7H0919506D
VW Transporter T5 Engine Cooling Radiator Fan Control Unit Module 7H0919506D
€51.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5QA919283B
Skoda Octavia 5E III Park Parking Assist PDC Distance Control Module 5QA919283B
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2641591400
Ignition Coil Mercedes W177 M260 Petrol Ignition Cable Connector A2641591400
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 9339192
BMW F45 F46 Battery Cable Positive Wire Lead Terminal 9339192
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6925642
BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8486560
BMW F40 Steptronic Double Clutch Gearbox Transmission Control Module 8486560
Promo price
€227.95
€136.77
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9241974
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9241974
Promo price
€80.95
€48.57
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0141540402
Alternator Mercedes W164 OM272 Engine Alternator 180A 14V Valeo A0141540402
Promo price
€75.95
€64.56
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8510591-3
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8510591 CAS3 + Key Automatic
Promo price
€237.95
€142.77
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 6832062
BMW F10 F13 X3 F25 Wireless Charger Centre Console Phone Charging Module 6832062
Promo price
€75.95
€45.57
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4G8959793J
Audi A6 C7 Door Module Control Unit ECU Front Left N/S 4G8959793J
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2761508800
Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. DE8T19H463DC
Ford Transit Connect Mk2 II Rain Sensor Control Unit Module FoMoCo DE8T19H463DC
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2045458601
Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 1405523
Mini One D R50 R53 Cooper S Fuse Box 1405523
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2098209810
Mercedes CLK A209 Cabrio Alarm Anti Theft System Control Module Unit A2098209810
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9368387
BMW F07 F10 F11 X6 F16 Rear Cabin Entertainment Audio CD DVD Player 9368387
€222.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 7M0951253A
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 7M0951253A
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A9079003303
Mercedes W907 Front Radar Distance Control Unit Module A9079003303
€132.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8Y0971036E
Audi A3 8Y Front Door Card Wiring Harness Loom Cable Passenger Side 8Y0971036E
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2701590042
Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9250456
BMW F12 Footwell Light Module Control Unit ECU FRM3 9250456
€132.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 6982402-1
Parking Control Module BMW E81 E84 E87 E90 E91 E92 E93 Unit PDC 6982402
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A4475406777
Alternator Wire Mercedes Vito W447 Battery Alternator Cable A4475406777
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A4155401005
Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2218707526
Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8E0959643B
Audi A4 B7 Crash Impact Airbag Sensor Unit Module 8E0959643B
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9321023
BMW F45 X1 F48 Mini F55 F56 B+ Junction Terminal Power Distribution Box 9321023
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6812218
BMW X1 F48 Rear Left Right N/O/S Door Wiring Harness Loom 6812218
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. CC1T-10300-BD
Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD
Promo price
€94.95
€80.71
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A2135405542
Mercedes W205 Electrical Wire From Transmission To Body Ground Cable A2135405542
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3412005
BMW X3 Series E83 Front Door Airbag Crash Impact Sensor 3415299 3412005
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 5A130F9
BMW F40 F44 G20 Parking Control Module Unit USS ECU LOW 5A130F9
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1695420018-HBL
Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8513250-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS4 Key Automatic
€203.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1679008311
Mercedes C238 Door Control Unit Module ECU Front Left N/S A1679008311
Promo price
€47.95
€40.76
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0025428019
Relay Mercedes W176 W246 4-Pin Black Hella 12V A0025428019
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 6772742
BMW 3 4 Series F80 M3 F82 M4 Control Unit Active Sound Design 2622362
Promo price
€222.95
€133.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1635403110
Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635403233
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8T0959792K
Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792K
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
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 .