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. A2055408104
Battery Cable Mercedes W205 X253 Diesel OM651 Alternator Wiring A2055408104
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6512012009
Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2139008530
Mercedes W213 W447 Transmission Gearbox Control Unit Module ECU A2139008530
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2059004113
Mercedes S205 Display Screen Multimedia Navigation Sat Head Unit A2059004113
Promo price
€51.95
€44.16
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1679050700
Mercedes W177 Crash Impact Sensor Front Door Left Right Unit A1679050700
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2118203042
Mercedes E-Class W211 S211 Front Right Door O/S Window Lifter Motor Regulator
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A9079003207
Mercedes W907 Air Suspension Level Control Unit Module Airmatic A9079003207
Promo price
€142.95
€85.77
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6071550335
Alternator Belt Tensioner Mercedes W176 OM607 Diesel Holder Mounting Panel
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2118202442
Mercedes E-Class W211 S211 Rear Right Door Window Lifter Motor Regulator
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2058201201
Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2049005015
Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0131545602
Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
€94.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2069055100
Mercedes C118 W167 W177 W206 W247 Stereo Amplifier Harman Kardon A2069055100
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2048701826
Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A4209003305
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305
Promo price
€222.95
€189.51
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1779007716
Mercedes W177 Front Door Control Module Left Right N/O/S Unit ECU A1779007716
Promo price
€61.95
€52.66
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6429002900-6
Mercedes C207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2205404208
Mercedes W220 Rear PDC Parking Sensor Wiring Loom A2205404208
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1775402500
Mercedes W177 W247 Battery Cable Negative Lead Terminal Harness A1775402500
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A9069820109
Mercedes Sprinter W906 Positive Battery Terminal Cover Cap Trim Red A9069820109
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2129003704
Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1665402350
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2129008729
Mercedes W176 W207 W212 Keyless Module ECU Door Lock Control Unit A2129008729
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1729002601
Mercedes SLK R172 Door Control Unit Module Front Right O/S A1729002601
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2048701226
Mercedes S204 Door Module Rear Right O/S Control Unit ECU A2048701226
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1715403932
Mercedes SLK R171 Rear Bumper PDC Wiring Loom Parking Sensor Cable A1715403932
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A1569005303
Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2218702286
Mercedes W221 Front Seat Heater Control Unit Module ECU A2218702286
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2038202285
Mercedes-Benz C-Class W203 Door Control Module Right Rear O/S A2038202285
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2479002613
Mercedes CLA C118 W177 W205 W213 Telematics Control Unit Module A2479002613
Promo price
€80.95
€68.81
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2059004521
Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2469000005
Mercedes W176 PDC Parking Distance Control Module Unit A2469000005
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6229001000
Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000
Promo price
€393.95
€236.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1695451440
Mercedes W169 W245 Central Gateway Module Bracket Holder Mount A1695451440
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2215450801-1
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
€227.95
€136.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128201789
Mercedes W212 Antenna Amplifier Aerial Module C Pillar Left N/S A2128201789
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2048701126
Mercedes S204 Door Module Rear Left N/S Control Unit ECU A2048701126
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2059009643
Mercedes W205 Telematics Bluetooth Module Control Unit ECU A2059009643
Promo price
€61.95
€37.17
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1729060105
Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729060105
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2389009000
Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2049009004
Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2218705687
Mercedes W221 Linguatronic Control Module Unit ECU English Version A2218705687
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2034404532
Mercedes CLC-Class CL203 Rear Parking Sensor Wiring Loom Cable PDC A2034404532
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1645400641
Mercedes-Benz M-Class W164 Battery Ground Earth Strap Cable Wiring A1645400641
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2135401217
Mercedes W213 OM642 Diesel Engine Alternator Wiring Loom Harness A2135401217
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A9075400500
Mercedes W907 Battery Cable Wiring Loom Harness Cabling A9075400500
Promo price
€75.95
€45.57
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6549061600
Starter Motor Mercedes W205 W213 W238 W447 OM654 Engine Diesel A6549061600
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1698706094
Mercedes W169 W245 Radio Player Audio 20 Stereo CD Head Unit Display A1698706094
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1695401006
Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1775403131
Mercedes w177 Sensor Wiring Harness Cable Front A1775403131
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1718204326
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326
€332.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2711502879-1
Mercedes W204 C200 M271.950 184HP Engine ECU Kit A2711502879 Ignition + Key Lock
€569.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1645400762
Mercedes W164 W211 C219 Tyre Pressure Monitor Control Unit Module A1645400762
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6429000500
Mercedes W204 C320 CDI OM.652.960 Engine Control Unit ECU A6429000500 Automatic
€85.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2218202910
Mercedes W221 Dashboard Instrument Cluster Panel Switch A2218202910
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2215400205
Mercedes W221 Brake Pad Wear Indicator Sensor Front Left Right N/O/S A2215400205
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2038219751
Mercedes C-Class W203 Roof Alarm Motion Sensor Cover Trim Grey A2038219751
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A6421508100-3
Mercedes V251 642.950 4-Matic 224HP Engine Control ECU A6421508100 Automatic
€279.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0005468502
Battery Cover Mercedes W205 W212 Battery Positive Pole Cover Red A0005468502
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1698702210
Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465402705
Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2118703285
Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703285
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0005454516
Mercedes W204 Automatic Gearbox EGS Control Module Unit ECU A0005454516
Promo price
€31.95
€27.16
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2105400230
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105400230
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2125407605
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2125407605
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2059003740
Mercedes A205 Convertible Comfort Control Unit Module A2059003740
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2129008816
Mercedes X218 Radio Comand Navigation Seat Control Unit Module A2129008816
Promo price
€256.95
€154.17
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A4155401005
Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0045468440
Mercedes W177 Power Distributor Connector Plug Unit A0045468440
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0038202926
Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1679003118
Door Module Mercedes W205 W213 X253 Front Right O/S Control Unit A1679003118
Promo price
€75.95
€45.57
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2129002216
Mercedes W212 Display Screen Information Navigation Dashboard A2129002216
Promo price
€104.95
€62.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2125455640
Mercedes W212 Battery Holder Mount Bracket Support E-Class A2125455640
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2129060605-1
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
€85.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1669004402
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1645403072
Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2466200018
Mercedes-Benz A-Class W176 Battery Frame Holder Bracket Mount Plate A2466200018
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2218208202
Mercedes W221 Front Centre Dashboard Tweeter Speaker A2218208202
Promo price
€33.95
€28.86
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128204713
Seat Wiring Mercedes W212 Front Loom Harness Passenger Side A2128204713
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A9068270005
Mercedes W639 W906 Voltage Stabilizer Control Unit Module A9068270005
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2129008818
Keyless Go Module Mercedes W207 W212 W218 ECU Door Lock Control Unit A2129008818
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1408207126
Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126
Promo price
€227.95
€136.77
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6421509777-1
Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic
€265.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6519007600-5
Mercedes W176 A180 CDI OM651.901 109HP Engine Unit ECU Kit A6519007600 Automatic
€208.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2711500391-12
Mercedes W204 C207 W212 M271.820 156HP Engine ECU Kit A2711500391 Automatic
€398.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6461501077-2
Mercedes Vito W639 OM646.980 116HP Engine ECU Control Set A6461501077 Manual
€450.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2208204942-1
Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0005463704
Mercedes C118 Positive Pole Battery Insulating Cap Cover Trim A0005463704
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1645400436
Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2218708326
Mercedes W221 Rear View Backup Camera Control Unit Module A2218708326
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129000406
Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2129003314
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A4479002405
Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405
Promo price
€218.95
€131.37
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 .