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. A0131541002-2
Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
€142.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A6519062400
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2475402228
Mercedes W177 Recirculation Pump Wiring Loom Cable Harness A2475402228
€42.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A2515401730
Mercedes V251 Positive Battery Cable Wiring Loom Harness A2515401730
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2769007300
Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
Promo price
€142.95
€85.77
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A2129007024
Mercedes CLS C218 Front Fuse Relay Box On Board Supply A2129007024
€75.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A0009062103
Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103
€113.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6519062800
Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A2059006213
Mercedes W205 Rear Door Module Control Unit ECU Left N/S A2059006213
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2129007124
Mercedes W212 Fuse Box SAM Control Module Unit ECU A2129007124
€32.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A2710106644-2
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU Kit A2710106644 Key Lock
€237.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2215401833
Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215401833
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A1779008103
Mercedes W177 W247 Telematics Module Communication Control Unit A1779008103
€66.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A2129000004-2
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A4709820700
Mercedes W470 Glow Plug Relay Module Unit A4709820700
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
€42.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6511501879
Mercedes W639 OM651.940 113 CDI 136HP Engine Unit Module ECU A6511501879 Manual
Promo price
€170.95
€102.57
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0038207426
Mercedes W221 Door Module Control Unit Rear Right O/S A0038207426
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2215403110
Mercedes W221 Positive Battery Cable Wire A2215403110
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6394405009
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405009
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0009050338
Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050338
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1644400937
Mercedes ML W164 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1644400937
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2479004707
Mercedes W177 Dynamic Adaptive Suspension System Control Unit Module A2479004707
€99.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2215457832
Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832
Promo price
€80.95
€48.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0005401203
Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2469003615
Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615
Promo price
€70.95
€60.31
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2118703385
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703385
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2189002002
Mercedes X218 CLS350 Automatic Trunk Lid Clossing Control Module A2189002002
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0009003505
Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0018204535
Microphone Mercedes W639 W906 Hands-Free Interior Mic Unit A0018204535
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2129004407
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0015424723-1
Mercedes W204 W207 W221 Parking Sensor Display Control PDC A0015424723
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6429060900
Mercedes W204 W207 W212 W221 Starter Motor A6429060900
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2054400534
Mercedes C205 Bumper PDC Wiring Loom Rear Parking Sensor A2054400534
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2439008400
Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465401205
Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2055455100
Mercedes W205 W213 C238 Power Distribution Unit Busbar Connector A2055455100
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6511504133
Mercedes W204 W212 Engine Wiring Diesel Harness Loom Cable E250 CDI A6511504633
€94.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2078200075
Antenna Mercedes W212 Keyless Go Comfort Access Antenna Module Unit A2078200075
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2218705087
Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2535403700
Mercedes X253 Rear PDC Parking Aid Sensors Harness Wiring Loom Cable A2535403700
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6396890379
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890379
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2789060600
Mercedes W166 R172 W205 C207 W212 C216 Engine Starter Motor 12V A2789060600
€51.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0009063003
Mercedes W213 Alternator Generator 200A 14V A0009063003
Promo price
€151.95
€129.16
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1645460261
Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2215460935
Mercedes W221 W216 Fuse Box Cover Control Unit Trim Panel Lid A2215460935
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128204585
Mercedes-Benz A B W176 W246 Glove Box Aerial Antenna Booster Amplifier
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2045407135
Earth Ground Cable Mercedes W204 C207 Line Strap Battery Lead A2045407135
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2229001809
Mercedes W205 W222 Door Module Front Left N/S Control Unit ECU A2229001809
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2139003029
Mercedes A238 Fuse Box Control Unit SAM Module Relay A2139003029
Promo price
€170.95
€102.57
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 .