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
-15%
Part no. A1669003407
Mercedes W176 W204 Digital Audio DAB Receiver Control Unit Module A1669003407
Promo price
€28.95
€24.61
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0025407097-1
Mercedes W221 Air Pump Valve Pressure Electric Change Over Sensor A0025407097
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A1725420023
Mercedes W176 W204 W246 Front Parking Sensor Display Control PDC A1725420023
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A0009004802
Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0009060401
Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401
Promo price
€56.95
€48.41
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2165420018
Yaw Rate Sensor Mercedes W169 W245 W211 W219 Turn Rate Sensor A2165420018
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2469054201
Mercedes CLA C117 W176 Aerial Booster Antenna Amplifier A2469054201
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2128203485
Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2128203485
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2049009201
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0009057302
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009057302
Promo price
€28.95
€24.61
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2049012704
Mercedes W204 ECU Control Unit Crash Impact Sensor Air Module A2049012704
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2229008911
Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
Promo price
€56.95
€48.41
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2059053414
Mercedes W205 Voltage Converter Regulator Control Module Unit A2059053414
Promo price
€28.95
€24.61
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0025421119
Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2128702751
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
€51.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A9069005701
Mercedes W639 W906 Air Module SRS Control Unit ECU A9069005701
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0009008214
Mercedes W177 W247 W447 W907 Fuel Pump Module Control Unit ECU A0009008214
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2125405710
Mercedes W212 PDC Wiring Parktronic Parking Sensor Cable Rear A2125405710
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2468200526
Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
Promo price
€32.95
€28.01
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129006318
Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2129006318
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2129001227
Gateway Control Unit Mercedes W204 W212 Gateway Module ECU VST A2129001227
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0009820212
Mercedes W176 W212 W246 Voltage Converter Inverter Power Distributor A0009820212
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A1715420123
PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129003508
Mercedes W207 W906 Fuel Pump Control Unit Module ECU A2129003508
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A9079004105
Air Module Mercedes Sprinter W907 W910 Control Module ECU A9079004105
Promo price
€85.95
€73.06
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129004014
Mercedes W204 W212 Front Door Module Control Unit Module Left N/S A2129004014
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. A0009068802
Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
Promo price
€142.95
€85.77
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2128203985
Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A1645430062
Mercedes W221 Rear View Reversing Camera Control Unit Module A1645430062
Promo price
€47.95
€40.76
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2129018508
Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
Promo price
€28.95
€24.61
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2038201485
Mercedes W203 Door Control Module Front Right O/S A2038201485
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2128204926
Mercedes W212 Crash Impact Air Module Sensor Front Unit A2128204926
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0025421319
Mercedes W204 Genuine Universal In Car Black Relay 4-Pin Tyco A0025421319
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A0045428718-1
Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
Promo price
€47.95
€40.76
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. A2129006724-1
Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
Promo price
€137.95
€82.77
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0035422819
Battery Relay Mercedes W176 W246 W447 Cut Off Module Control Unit A0035422819
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A1698207326
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2038207385
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129009729
Mercedes W176 W207 W212 Keyless Door Lock Module ECU Unit A2129009729
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A1728100011
Mercedes W176 W204 W212 Navigation Control Unit Module NTG 4.5 A1728100011
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. A0009006713
PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713
Promo price
€47.95
€28.77
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0061514501-1
Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
Promo price
€37.95
€32.26
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A6394460446
Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6394460446
Promo price
€47.95
€40.76
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. A1728100011-1
Navigation Processor Mercedes W176 W212 Control Unit Module NTG 4.5 A1728100011
Promo price
€66.95
€40.17
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. A2661541202
Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
€32.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2469009413-1
Mercedes W176 W246 Control Unit Body Control Module ECU A2469009413
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0365457032
Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
Promo price
€28.95
€24.61
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 8200308271
Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2079010600
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0009003101
Mercedes W204 W212 W221 Fuel Pump Module Control Unit A0009003101
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129004203
Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0025422619-1
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129004402
Door Module Mercedes W212 E-Class Front Left N/S Control Unit A2129004402
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2059007218
Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218
Promo price
€47.95
€40.76
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A1668210151
Impact Sensor Mercedes W166 W176 W246 Crash Sensor A1668210151
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. A9075450100
Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
Promo price
€75.95
€45.57
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0009063000
Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
Promo price
€94.95
€80.71
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2129005327
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327
Promo price
€277.95
€236.26
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2059007705
Module Mercedes C205 Transmission Drivetrain Control Module Unit A2059007705
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2465400340-1
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A6394407810
Wiring Loom Mercedes W639 Vito Cable Front Door Left Right N/O/S A6394407810
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A9064409913
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913
€47.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2048210651
Mercedes W204 Air Module Impact Crash Sensor Door A2048210651
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A1698204085
Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085
€28.95
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0009067702
Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702
Promo price
€85.95
€73.06
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129003408
Mercedes W204 W221 Fuel Pump Module Control Unit A2129003408
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. A2039000000-1
Mercedes CL203 Head Unit CD Player Radio Audio Controller Unit A2039000000
Promo price
€66.95
€40.17
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2469008819
Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
Promo price
€284.95
€242.21
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0009010201
Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
Promo price
€32.95
€28.01
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2079011700
Airbag Module Mercedes W204 W207 Air Bag SRS Control Unit ECU A2079011700
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2049014504
Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0141542702
Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702
Promo price
€75.95
€64.56
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A2711541402
Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
Promo price
€80.95
€68.81
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2048706826
Mercedes W204 ECU Control Unit Sensor Module Airbag A2048706826
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0009003704
Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2038703389
Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
€75.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2229055804
Mercedes CLA C117 W176 W205 Aerial Antenna Amplifier Unit A2229055804
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. A2118701885
Mercedes ML W164 Control Unit Module DC UHI MOST A2118701885
€28.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2129004314
Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129004314
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2035402206
Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
Promo price
€66.95
€56.91
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. A1698705894
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698705894
Promo price
€75.95
€64.56
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0025422619
Mercedes ML W163 Relay 4-Pin Grey Tyco A0025422619
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A9065410400
Battery Bracket Mercedes Sprinter W906 W910 Mount Trim Holder A9065410400
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. A2139002422
Mercedes W213 Front Door Module Control Module Unit Right O/S A2139002422
Promo price
€85.95
€51.57
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. A0035422319
Mercedes W176 W246 Relay Battery Decoupling 12V A0035422319
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-5%
Part no. A2118300572
Mercedes A C E Class W169 W203 W211 Temperature Sensor Dew Point A2118300572
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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 .