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. A2054404136
Mercedes W205 Battery Lead Wiring Loom Cable Hybrid Cable Harness A2054404136
€47.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2134400200
Mercedes GLC 300e X253 Electric Drive Ground Earth Line Wire A2134400200
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A6519005301-5
Mercedes W212 E220CDI BlueEFFI OM651.924 170HP Engine ECU A6519005301 Automatic
€47.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0045423918
Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2129010700
Mercedes W212 ECU Control Unit Sensor Module Airbag A2129010700
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2229007109
SAM Module Mercedes C205 GLC X253 Coupe Rear Control Unit A2229007109
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1729056500
Mercedes-Benz A B Class W176 W246 Aerial Antenna Cable A1729056500
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0035421019
Relay Mercedes C117 GLA X156 ML W166 W176 W246 5 Pins Yellow A0035421019
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A6398201689
Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689
€284.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0005400664
Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A0005400664
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2188200187
Mercedes W221 Multimedia Interface USB Adapter Port Socket A2188200187
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2049057501
Mercedes W204 W212 Dashboard Light Sun Solar Sensor Unit A2049057501
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2059067200-1
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2229000013
Door Module Mercedes W205 X253 Front Door Right O/S Control Unit A2229000013
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2044401705
Mercedes S204 Door Wiring Loom Cable Rear Left Right N/O/S A2044401705
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2749062100
Starter Motor Mercedes W213 C238 C253 Engine A2749062100
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2139062202
Mercedes W213 W222 Fuse Box Rear Electrical Fuse Unit Module A2139062202
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A6519007401-2
Mercedes W204 C250CDI Blue Efficiency OM651.911 204HP Engine ECU A6519007401 Key
Promo price
€189.95
€113.97
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2188701489
Mercedes W218 Audio Amplifier Harman Kardon Subwoofer Control Unit A2188701489
€56.95
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

-15%
Part no. A6519007500-17
Mercedes C207 E220 CDI OM651.911 BE Engine Unit Module ECU A6519007500 Automatic
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2115402105
Battery Cable Mercedes W211 Starter Alternator Wiring Harness A2115402105
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A0009008709
Mercedes W213 Tyre Pressure Control Module Unit A0009008709
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2059005222
Seat Module Mercedes W205 W253 Memory Control Unit Passenger's Side A2059005222
€47.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
€66.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A1769052400-1
Mercedes W176 Pressure Crash Impact Sensor Control Module A1769052400
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A6461505091-2
Mercedes W203 C220 CDI 150HP 646.963 Engine Control ECU Kit A6461505091 Automat
€208.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2218707385
Mercedes W221 Rear DVD Entertainment System Video Player Unit A2218707385
€370.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2761509875
Mercedes W213 W222 A238 M276 Starter Screening Plate Shield A2761509875
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A0015422623-2
Mercedes W639 PDC Display Parking Sensor Screen Control Unit A0015422623
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2049009614
Mercedes W204 CD Player Radio Navigation Sat Nav Head Unit A2049009614
€284.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1698207926
Mercedes W169 W245 Control Unit Front Left Door N/S Module A1698207926
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0009059101
Mercedes-Benz E-Class W207 W212 ESP Yaw Rotation Rate Sensor A0009059101
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2535400701-1
Mercedes A238 M276 Engine Alternator Wiring Loom Cable Harness A2535400701
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2129000217
Mercedes W212 Radio Head Unit Navi CD Player Control Unit A2129000217
Promo price
€256.95
€218.41
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2475457300
Mercedes W177 Fuse Box Relay Cover Lid Control Unit Bracket Trim A2475457300
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A6561593100
Mercedes W213 OM656 Diesel Engine Wiring Guide Cable Duct A6561593100
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2185409606
Mercedes C218 Parktronic Parking Sensor Wiring Cable Rear PDC A2185409606
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2219050018
Mercedes-Benz S-Class W221 Headlining Alarm Sensor Module Cover Trim A2219050018
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A0009053006
Battery Wire Mercedes W205 Negative Cable With Battery Sensor 48V A0009053006
Promo price
€89.95
€53.97
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2055400182
Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2108208726
Mercedes-Benz W210 S210 Alarm Anti Theft System Control Module Unit A2108208726
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2049007905
Mercedes W205 Towbar Trailer Hitch Control Module Unit ECU HELLA A2049007905
€94.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A1779009902
Mercedes W177 Front Windscreen Windshield Camera Multi Purpose Unit A1779009902
€66.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2055451500
Power Connection Mercedes W205 W213 C238 X253 Battery Starter Alternator Wiring
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2055463100
Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2049005003
Mercedes S204 Estate Fuse Box Rear SAM Module Control Unit A2049005003
Promo price
€51.95
€44.16
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2045420623
Mercedes W204 Warning Device Parktronic Display Rear Sound Signal A2045420623
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2078201089
Mercedes W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201089
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2465400512
Seat Wiring Mercedes C117 Front Seat Left Wiring Harness a2465400512
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0009054807-2
Mercedes W118 W177 W206 W247 NOX Sensor Electronics Module A0009054807
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

Part no. A2749000800-7
Mercedes W205 C200 274.920 184HP Engine Control ECU Kit A2749000800 Automatic
€303.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A0009009114
Mercedes W205 Air Conditioning Climate Control Module ECU A0009009114
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2465406809
Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2056105402
Mercedes W205 Battery Recess Trunk Floor Battery Box Base Plate A2056105402
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A4479053905
Mercedes W447 Aerial Antenna Amplifier Control Unit Module A4479053905
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2035407408
Mercedes-Benz C W203 Rear Left Right Door Wiring Loom Harness A2035407308
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2045402610
Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2539059800
Mercedes W205 Lid Boot Trunk Tailgate Smart Opener Control Module A2539059800
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0045454140
Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2218201875
Mercedes W221 Aerial Antenna Control Unit Keyless Go Entry Module A2218201875
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2118210197
Mercedes E-Class W211 Rear Door Wiring Loom Harness Rubber Grommet A2118210197
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A1669003208
Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208
€142.95
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
Promo price
€227.95
€136.77
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2218705087
Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2139002817
Mercedes W177 W205 C257 Radar Sensor Front Control Unit Module A2139002817
Promo price
€189.95
€113.97
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

-40%
Part no. A1779002510
Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
Promo price
€142.95
€85.77
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0009827723
Fuse Relay Mercedes W176 W204 W246 4-Pin Unit Black Hella A0009827723
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2118703185
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2129008825
Mercedes C204 Fuse Box Control Unit SAM Module Relay A2129008825
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A0061511001
Starter Motor Mercedes W906 M272 Engine Diesel Bosch A0061511001
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

Part no. A2129008007
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129008007
€80.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1648207926
Mercedes ML W164 Air Module SRS Control Unit ECU A1648207926
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A0025450601
Mercedes W906 Fuse Relay Box Module Control Unit A0025450601
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2049005015
Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015
€189.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A1729006609-2
Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
Promo price
€151.95
€129.16
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2218101817-1
Mercedes W221 Headlining Interior Mirror Rear Left Right N/O/S A2218101817
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A9065450003-1
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2055401542
Mercedes W205 Rear Door Harness Wiring Cable Left Right N/O/S A2055401542
€61.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2229001912
Mercedes W205 C253 Door Module Rear Left N/S Control Unit ECU A2229001912
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2128270228-PAL
Mercedes W212 Aerial Fin Roof Antenna Shark Palladium Silver - 792 A2128270228
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2479003808
Suspension Module Mercedes C118 W177 W247 Control Unit ECU A2479003808
Promo price
€123.95
€74.37
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A4475402231
Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2035409213
Mercedes W203 Door Wiring Harness Front Left Right N/O/S Wiring Loom A2035409213
Promo price
€27.95
€26.55
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2038219551-2
Mercedes CL203 Rear Roof Alarm Motion Sensor Control Unit Module A2038219551
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A4475406453
Battery Cable Mercedes Vito W447 Diesel OM651 Alternator Wiring A4475406453
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2218705093
Mercedes W221 Door Control Module Unit ECU Rear Left Right N/O/S A2218705093
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2198200226
Door Module Mercedes C219 Rear Door Left N/S Control Module A2198200226
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2215406562
Mercedes W204 Petrol Fuel Pump Control Unit Module A2215406562
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00

-5%
Part no. A6541400155
Mercedes-Benz W213 Genuine Gas Filter Pressure Line Sensor Dpf A6541400155
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1638200289
Mercedes-Benz M-Class M W163 Aerial Antenna Amplifier Module Unit A1638200289
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A1729008500-2
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
€113.95
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 .