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. A2218706887
Mercedes W221 Head Unit Multimedia TV Player CD Changer Inverter A1679001014
€569.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. A1669006507
Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1698209926
Mercedes W169 W245 ECU Air Control Unit Sensor Module A1698209926
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A9079001605
Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605
Promo price
€465.95
€279.57
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A1649063500
Mercedes ML W164 Head Unit Sat Nav GPS CD Audio Radio Player A1649063500
€284.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2198200326
Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2045400440
Battery Bracket Mercedes W204 W207 Battery Mount Support Holder A2045400440
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1775402111
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775402111
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1775404007
Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1775404007
Promo price
€67.95
€57.76
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0015424623-1
Mercedes-Benz C E A207 W204 W212 1 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2518204426
Mercedes V251 W164 Front Lamp Headlight Control Module Unit HELLA A2518204426
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0009006612
Rear Module Mercedes C205 W205 Fuel Pump Control Unit A0009006612
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A0035421019-1
Mercedes C117 GLA X156 ML W166 W176 W246 Relay 5 Pins Yellow Set A0035421019
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1695400606
Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2075405105
Mercedes W204 C207 W212 Panoramic Sunroof Wiring Cable Harness A2075405105
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2118704785
Mercedes W211 Front Seat Memory Control Unit Module Left Right N/O/S A2118704785
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2044401005
Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2479003506
Mercedes W177 Front Seat Module Control Unit Memory Driver's Side A2479003506
€203.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-15%
Part no. A6399003000
Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2059004013
Mercedes W205 Air Conditioning Control Module A/C ECU Unit A2059004013
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A0004461160
Mercedes Sprinter W906 FleetBoard Onboard Time Recorder Control Unit A0004461160
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2135409916
Earth Ground Cable Mercedes W213 S213 Battery Wiring Loom Engine A2135409916
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2218207389
Mercedes W221 Seat Headrest Display Monitor Rear Entertainment Unit A2218207389
Promo price
€218.95
€131.37
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2055457540
Mercedes W205 C238 X253 W213 Inner Firewall Contact Support A2055457540
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2213201058
Mercedes R231 Valve Block Air Suspension Control Unit A2123200358
Promo price
€203.95
€122.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2048207485
Mercedes W204 Front Door Control Unit Module Right O/S A2048207485
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1729058300
Mercedes SLK R172 Pedestrian Protection Impact Crash Sensor Module A1729058300
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2518701889
Antenna Amplifier Mercedes W164 W251 Aerial Control Unit Module A2518701889
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2469009112
Control Unit Mercedes W176 W246 Body Control Module BCM ECU A2469009112
Promo price
€44.95
€26.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0025428819
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2709000900-4
Mercedes W176 A45 4Matic M133.980 381HP Engine Control ECU A2709000900 Automatic
Promo price
€569.95
€341.97
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-40%
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
Promo price
€99.95
€59.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A9076830400
Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A0025421319-1
Mercedes W204 Genuine Universal Car Relay 4-Pin Hella Black A0025421319
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1765404609
Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
Promo price
€61.95
€52.66
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A6401500100
Mercedes W169 A160 CDI OM640.942 82HP Engine Control ECU A6401500100 Automatic
€113.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2649060400
Mercedes W205 W257 Starter Engine Motor A2649060400
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A4478260000
Mercedes Vito W447 Headlight Turn Indicator Light Socket Plug A4478260000
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0131545602
Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
Promo price
€94.95
€80.71
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2069055100
Mercedes C118 W167 W177 W206 W247 Stereo Amplifier Harman Kardon A2069055100
€23.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2048205015
Mercedes W204 W207 Wiring Loom Cable Harness AUX Jack A2048205015
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-40%
Part no. A6461502734-1
Mercedes W204 C220 CDI 170HP 646.811 Engine Unit ECU A6461502734 Automatic
Promo price
€165.95
€99.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2465405733
Wiring Harness Mercedes X156 W176 Petrol Battery To Starter Cable A2465405733
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. A0009828223
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0015424623
Mercedes A207 W204 W212 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2139005427
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139005427
Promo price
€180.95
€108.57
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A0009828523
Mercedes W164 Suspension Compressor Relay A0009828523
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2535401001
Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001
Promo price
€42.95
€25.77
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2469003114
Transmission Module Mercedes W176 W246 Control Unit ECU A2469003114
Promo price
€42.95
€36.51
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1779001203
Mercedes W177 Door Control Module Rear Left Right N/O/S A1779001203
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1775405101
Door Wiring Mercedes V177 Rear Door Right Left N/O/S Harness Wire A1775405101
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0009051910
Battery Cable Mercedes W177 W247 Negative Lead Terminal Harness A0009051910
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2129009128
Door Module Mercedes W207 W212 CLS W218 Front Left N/S Control Unit A2129009128
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2218204189
Mercedes W221 Antenna Amplifier Aerial A2218204189
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2048709289
Mercedes W204 Right O/S Antenna Amplifier Filter Module A2048709289
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1715400406
Mercedes SLK R171 Window Lifter Lift Mechanism Cable Wiring Harness A1715400406
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2115458532
Mercedes W211 W219 Body Control Module Control Unit ECU A2115458532
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2139003317A
Mercedes C118 V177 W213 Diesel OM654 Automatic Transmission Module A2139003317
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2128203985
Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2709002100-9
Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual
€113.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1718600205
Mercedes R171 Passenger Seat Air Module Control Unit Module A1718600205
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1728208710
Mercedes W176 W246 Roof Towing Alarm Sensor Switch Module A1728208710
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2059006923
Air Conditioning Module Mercedes C205 X253 A/C Control Unit ECU A2059006923
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2079011900
Air Module Mercedes W207 A207 Control Unit ECU Air Module Sensor A2079011900
Promo price
€75.95
€64.56
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1648702726-1
Mercedes W164 Boot Trunk Lid Tailgate Control Unit Module ECU A1648702726
Promo price
€51.95
€44.16
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2465408109
Door Wiring Mercedes W176 Loom Cable Rear Left Right N/O/S A2465408109
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A1649100075-1
Mercedes ML W164 Lumbar Module Front Seat Lumbar Control Unit A1649100075
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1729050151
Mercedes-Benz A B Class W176 W246 Roof Towing Alarm Sensor Switch Module
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A1645407901
Mercedes V251 Gateway Module Control Unit ECU A1645407901
Promo price
€80.95
€48.57
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A0009006920
Mercedes W205 W213 Battery Control Unit Charging Terminal Module A0009006920
€332.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2129060605
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
€85.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2055405203
Mercedes W205 Negative Cable Battery Lead Minus Pole Wiring A2055405203
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0025421219
Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2829003300
Mercedes W177 A200 163HP M282.914 Engine Control Unit ECU A2829003300 Automatic
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-40%
Part no. A2139009406
Mercedes W213 Display Screen Information Navigation Dashboard A2139009406
Promo price
€66.95
€40.17
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2048702426
Mercedes W204 Door Module Rear Left N/S Control Unit Module A2048702426
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2059000219
Mercedes C117 W176 W205 Telematics Module Communication Control Unit A2059000219
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1698208426
Mercedes-Benz A B W169 W245 Front Right Door O/S Control Unit Module A1698208426
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. A2218709987
Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218709987
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A9105400805
Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2046190048
Mercedes-Benz C W204 Rear Battery Support Holder Mount Bracket A2046190048
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1729017601
Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1698204515
Media Plug Mercedes W169 W245 Multimedia Connection Cable Wire A1698204515
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1728202100
Mercedes W176 W207 W246 USB Interface Multimedia Adapter Connector A1728202100
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1679008406
Mercedes W167 W177 W247 Ignition Engine Control Unit Module A1679008406
Promo price
€170.95
€145.31
Free delivery: Feb 16 – 19
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 16 – 19
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 .