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
Part no. A2139007436
Mercedes W177 W213 Gearbox Transmission Control Module Unit ECU A2139007436
€80.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2229004320
Telematics Module Mercedes C238 Communication Blutooth Control A2229004320
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0009004839
Mercedes C118 W177 C247 Battery Control Module Unit ECU A0009004839
€284.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2034450000
Mercedes Vito W639 Gateway Control Unit Module A2034450000
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2139005311
Mercedes W213 Head Unit CD Media Player Audio Auto Radio Controller A2139005311
Promo price
€170.95
€102.57
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2749000800-5
Mercedes W205 C200 274.920 184HP Engine ECU Kit A2749000800 Key Lock Automatic
Promo price
€251.95
€151.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0025421119-1
Relay Unit Mercedes W163 W168 W203 W211 4-Pin Black Hella A0025421119 Set 2x
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6519003403-1
Mercedes W906 314 CDI OM651 Engine Module ECU Kit A6519003403 Automatic
Promo price
€474.95
€284.97
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1679004511
Door Module Mercedes W205 W213 C253 Rear Left N/S Control Unit ECU A1679004511
Promo price
€61.95
€52.66
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1649100075
Mercedes ML W164 Lumbar Module Front Seat Lumbar Control Unit A1649100075
Promo price
€37.95
€22.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1765406708
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0025428819
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1779002207
Mercedes W177 Rear Left Right N/O/S Door Control Module A1779002207
Promo price
€42.95
€36.51
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A9065420518
Mercedes-Benz W639 W906 ESP Yaw Rotation Rate Sensor Control Unit A9065420518
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6397600104
Bowden Cable Mercedes W639 Vito Door Handle Catch Top Rear Left Wire A6397600104
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1695406409
Mercedes W169 W245 Battery Earth Negative Cable Wiring Loom A1695406409
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2205400382
Mercedes CL S Class C215 W220 Fuse Box Unit Front Right O/S Cover A2205400382
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2741504704
Mercedes X253 Engine Wiring Harness Line Supply Line A2741504704
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A4475400600
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400600
€42.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465400508
Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128203589
Antenna Amplifier Mercedes W212 Aerial Module Rear Roof Frame Right A2128203589
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1679007012
Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2661503133
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661503133
Promo price
€113.95
€96.86
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2465406607-1
Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2076822704
Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2118704126
Mercedes W221 Door Control Module Right Rear O/S A2118704126
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1679003811
Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0009054807
Mercedes W118 W177 W206 W247 NOX Sensor A0009054807
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1685453532-2
Mercedes W168 A140 ESP + HBA Electronic Stability Control Module A1685453532
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A4475400010
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2135403839
Mercedes W213 C238 Power Relay Fuse Box Unit Cover A2135403839
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0009828223
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0009055504-TNG1
Mercedes W166 C207 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0009006102
Mercedes Vito W639 ECU Control Unit Crash Impact Module Air Module A0009006102
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2055406621
Starter Cable Mercedes W205 GLC X253 Electrical Wiring Harness A2055406621
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1775408101
Mercedes W177 W243 W247 Door Wiring Cable Harness Loom Driver Side A1775408101
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6401501891-1
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine ECU Kit Key A6401501891
Promo price
€237.95
€142.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1688200289
Mercedes W168 Antenna Amplifier Unit Roof Rear Rail A1688200289
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0015424623-1
Mercedes-Benz C E A207 W204 W212 1 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6397600340
Mercedes Vito W639 Door Handle Cable Catch Bowden Cable Rear A6397600340
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2049005410
Mercedes W204 Sat Nav Radio CD Player Radio Head Unit A2049005410
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2056186100
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186100
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1729003406
Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406
Promo price
€80.95
€48.57
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0009827723-1
Mercedes W176 W204 W246 Fuse Relay 4-Pin Unit Black Hella SET X2 A0009827723
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1775402811
Mercedes W177 W243 W247 Rear Door Wiring Harness Cable Left N/S A1775402811
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2139004119
Module Mercedes W205 Drivetrain Gearbox Control Module Unit A2139004119
Promo price
€104.95
€62.97
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A0009001705
Mercedes C117 PDC Parking Sensor Control Module Unit ECU A0009001705
€61.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0025428419
Relay Mercedes W176 W246 4-Pin Black Hella 12V A0025428419
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0009820112
Mercedes W177 W207 Power Energy Distribution Unit Module A0009820112
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2218211251
Mercedes W221 Dashboard Instrument Cluster Panel Button Switch A2218211251
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2113231126
Mercedes-Benz E Class W211 Front Left Anti Roll Bar Clamp Bracket A2113231126
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6429002900-4
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key Lock
Promo price
€503.95
€302.37
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2048205189
Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2139007839
Mercedes W167 W177 W247 Headlight Ballast Control Module Left N/S A2139007839
€89.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2139005613
Mercedes W213 Front Door Module Right O/S Control Unit A2139005613
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2188201926
Mercedes CLS C218 Bi-Xenon Headlight Ballast Module Control Unit A2188201926
Promo price
€89.95
€76.46
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1638201126
Mercedes ML W163 Windscreen Rain Light Sensor Control Module A1638201126
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2034400033
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2649000700-3
Mercedes W205 C300 OM264.920 Engine Control Module ECU A2649000700 Automatic
€246.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2535407830
Mercedes C253 AMG Rear Bumper PDC Wiring Parking Sensor Loom Harness A2535407830
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2048708026
Mercedes W204 Media Interface Control Unit Module ECU A2048708026
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2118700526
Driver Seat Module Mercedes R171 W203 W211 Memory Control Unit A2118700526
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2059007218-2
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1775409141
Mercedes W177 W243 W247 Front Door Wiring Harness Cable Driver Side A1775409141
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2038700326
Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128204185
Mercedes W204 W212 Door Module Control Unit Module Rear Right O/S A2128204185
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6229000500
Mercedes W447 OM622.951 Engine Control Unit Module ECU Kit A6229000500 Manual
Promo price
€227.95
€193.76
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2129003414
Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2579005100
Mercedes Sprinter W907 Telematics Services Communication Module A2579005100
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A0038207926
Door Module Mercedes W221 Door Control Unit Module A0038207926
Promo price
€70.95
€42.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2218210197
Mercedes W221 Cover Wiring Cable Front Door Protection Seal Sleeve A2218210197
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2469008115
Mercedes W176 W246 Gearbox Transfer Case Control Module Unit ECU A2469008115
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2075402013
Door Cable Mercedes W212 Wiring Loom Front Left Right Door N/O/S A2075402013
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2139005223
SAM Module Mercedes W213 C238 Control Unit Front ECU A2139005223
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1331510745
Mercedes C117 CLA 45 AMG Heat Shield Alternator Plate Petrol M133 A1331510745
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1729058200
Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2229001414
Module Mercedes C205 Front Door Left N/S Control Module Unit A2229001414
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2059009230
Air Conditioning Module Mercedes W205 C253 A/C Control Unit ECU A2059009230
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0051513901-1
Mercedes W203 W211 Kompressor M271 Petrol Engine Starter Motor A0051513901
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1645400350
Mercedes-Benz M-Class ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1668203426
Mercedes W166 C292 Front Seat Adjuster Module Unit Left Right N/O/S A1668203426
€42.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2198202426
Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0015454416
Mercedes CL203 M271 Automatic Gearbox EGS Control Module Unit ECU A0015454416
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1645400350-1
Mercedes ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2229002109
Mercedes W205 W222 Door Module Control Unit Rear Right O/S A2229002109
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1179005800
Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800
Promo price
€85.95
€73.06
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2198203526
Mercedes CLS W219 Door Module Rear Left N/S Control Unit A2198203526
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6394405109
Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2229001909
Mercedes W205 W222 Door Module Front Right O/S Control Unit ECU A2229001909
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2124405933
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2124405933
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2709000900-8
Mercedes W246 B180 270.910 122HP ECU Wiring Loom Harness Cable Plug A2709000900
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0009058104-1
Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor Radar Unit A0009058104
€279.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0055461240
Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1648209385
Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
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 .