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. A1669004102
Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2439000800
Drivetrain Module Mercedes H243 Transmission Control Unit ECU A2439000800
Promo price
€161.95
€137.66
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2139001722
Mercedes W213 W907 Transmission Gearbox Control Unit Module ECU A2139001722
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2034400033-2
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1765405408
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A6395406509
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406509
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1698207526
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Rear A1698207526
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2129001829
Mercedes C207 W212 Front Right Door O/S Control Unit Module A2129001829
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2129003922
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2319058100
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A2/71 A2319058100
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A1718701410
Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410
Promo price
€94.95
€80.71
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2469050201
Mercedes C117 X156 Antenna Amplifier Control Unit Module A2469050201
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A2215400401
Mercedes W221 Power Supply Battery Control Module Unit A2215400401
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1698207526-1
Mercedes W169 W245 Door Control Unit Left N/S Rear A1698207526
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1698207426
Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Rear A1698207426
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A6421540402-1
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
Promo price
€70.95
€60.31
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A1645430062
Mercedes W221 Rear View Reversing Camera Control Unit Module A1645430062
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2044402607
Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1765405508
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405508
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A9069006303-1
Mercedes W906 Fuse Box SAM Module Control Unit ZGS Temic A9069006303
€89.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1635401230
Mercedes W163 Negative Battery Minus Terminal Lead Cable A1635401230
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A1775401731
Mercedes W177 M282 Wiring Harness Battery Starter Motor Alternator A1775401731
Promo price
€89.95
€53.97
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2118209626
Mercedes W211 W219 Alarm Control Module Unit ECU A2118209626
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2045400708
Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1669000618
Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A2219006303
Mercedes W221 Radio Multimedia Head Unit A2219006303
Promo price
€835.95
€501.57
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A2124406207
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124406207
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A9065400341
Battery Cable Mercedes Sprinter W906 Negative Lead Wiring Harness A9065400341
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2129006429
Mercedes SLK R172 C207 Front Fuse Box Relay Control Unit SAM Module A2129006429
Promo price
€227.95
€193.76
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A2199001100
Mercedes W219 Head Unit CD Player Navigation COMAND Radio Audio Unit A2199001100
Promo price
€379.95
€227.97
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2465400140
Mercedes-Benz A-Class W176 Equipment Electrical Cover Fuse Box A2465400140
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A0131541002-2
Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
Promo price
€142.95
€85.77
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A1729001906
Mercedes X218 CLS350 Communication Bluetooth Control Module A1729001906
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A9075402087
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305
Promo price
€61.95
€37.17
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A2045458401
Mercedes W204 Fuse Box Terminal Connection Unit A2115452301
Promo price
€222.95
€133.77
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A0009004213
Adblue Module Mercedes W447 W906 Control Unit ECU A0009004213
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2055400428
Battery Wiring Mercedes GLC X253 C253 Diesel OM651 Starter Cable A2055400428
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2139008822
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2711501920
Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711501920
Promo price
€132.95
€113.01
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2465409611
Mercedes-Benz A B Class W176 W246 Battery Surround Trim Box Bracket A2465409611
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A6569000200-1
Mercedes W213 E400d OM656.929 Diesel Engine ECU Kit A6569000200 Automatic
Promo price
€569.95
€341.97
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A0015453916
Mercedes CL 203 Automatic Gearbox Control Unit Module ECU A0015453916
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2218702086
Mercedes W221 Rear Seat Control Module Unit ECU A2218702086
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2229002014
Mercedes X253 Door Module Rear Right Control Unit A2229002014
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A0009062822-1
Mercedes W207 W212 W906 Engine Diesel 200A 14V Alternator Generator LRA03818
Promo price
€104.95
€89.21
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2124404851
Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2125400035
Earth Ground Cable Mercedes W204 W207 W212 Battery Starter Wiring A2125400035
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2429007001
Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A2129007024
Mercedes CLS C218 Front Fuse Relay Box On Board Supply A2129007024
€75.95
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2135409616-1
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A0009062103
Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103
€113.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1775405801
Mercedes W177 W247 Door Wiring Rear Left Right Cable Harness A1775405801
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2049014503
Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2125409110-1
Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A0009060226
Starter Mercedes Vito W447 Diesel OM622 Starter Motor A0009060226
Promo price
€70.95
€42.57
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A2059005222
Seat Module Mercedes W205 W253 Memory Control Unit Passenger's Side A2059005222
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A1765400103
Battery Cable Mercedes C117 W176 Starter Alternator Wiring Harness A1765400103
Promo price
€75.95
€45.57
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A0009007126
Air Conditioning Module Mercedes W205 W213 C253 A/C Control Unit ECU A0009007126
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2128270228-ING
Mercedes W212 Estate Roof Antenna Cover Shark Indium Grey Metallic A2128270228
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1765405608
Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2128202289
Mercedes W212 Aerial Antenna Module Amplifier Rear Window Top Left A2128202289
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2539000100
Rain Light Sensor Mercedes X253 Windschield Sensor Module Unit A2539000100
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A4478200087
Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1776203400
Mercedes W177 W247 Battery Bracket Mount Holder Support A1776265300
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A0025451201
Mercedes W169 W245 W906 Fuse Box Carrier A0025451201
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A2218704895
Mercedes W221 Door Module Rear Door Control ECU Unit Left N/S A2218704895
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2124400706
Wiring Harness Mercedes W212 LED Lighting Air Nozzle Cable A2124400706
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A1649005001
Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001
Promo price
€626.95
€376.17
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A6397600504-1
Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A1669003602
Mercedes W204 R172 DAB Receiver Digital Audio Control Unit Module A1669003602
Promo price
€89.95
€53.97
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A2215401833
Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215401833
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2189058500
Mercedes CLS X218 Antenna Amplifier Rear Aerial Control Module A2189058500
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2044401001
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2044401001
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A1715409333
Mercedes SLK R171 Center Console Arm Rest Wiring Loom Harness A1715409333
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A4709820700
Mercedes W470 Glow Plug Relay Module Unit A4709820700
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2709002100-1
Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
Promo price
€332.95
€283.01
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A6511501879
Mercedes W639 OM651.940 113 CDI 136HP Engine Unit Module ECU A6511501879 Manual
Promo price
€170.95
€145.31
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2215403110
Mercedes W221 Positive Battery Cable Wire A2215403110
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2189000104
Mercedes CLS X218 Parktronic PDC Parking Assist Control Module A2189000104
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A1665402709
Mercedes W166 Automatic Gearbox Wiring Loom Harness Cable A1665402709
Promo price
€42.95
€25.77
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A1779005104
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2475400700
Mercedes W177 Rear Axle Wheel RPM Speed Left N/S Sensor Wire Harness A2475400700
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. A2769004901
Mercedes A238 Convertible E450 M276.823 Engine ECU Unit A2769004901 Automatic
Promo price
€474.95
€284.97
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A0009828323
Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A0038207726
Mercedes W212 Siren Alarm Horn Signal Module Unit A0038207726
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A1669003309
Mercedes W176 W204 W246 Headlight Headlamp Range Control Unit Module A1669003309
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2135402870
Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A6398200642
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6398200642
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2118700726
Mercedes W211 Seat Memory Control Unit Module Front Right O/S A2118700726
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A0009007306
Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A0035420819
Mercedes W176 W205 W213 W242 W447 W907 Relay 4-Pin Black Tyco Unit A0035420819
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. A2129005212
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129005212
Promo price
€218.95
€186.11
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. A2218230050
Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A2129014606-1
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
€80.95
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
€32.95
Free delivery - Tue, Nov 04
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 .