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. A1179008600
Airbag Module Mercedes w176 Air Bag SRS Control Unit ECU A1179008600
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2059000524
Mercedes W207 W212 Telematics Services Communication Module A2059000524
Promo price
PLN 104.95
PLN 99.70
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2218702993
Mercedes CL W216 W221 Air Module Control Unit A2218702993
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2059006822
Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822
Promo price
PLN 56.95
PLN 48.41
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A1729007003
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729007003
Promo price
PLN 275.95
PLN 165.57
Free delivery: Mar 03
If paid before 14:00

Part no. A1679004811
Door Module Mercedes W205 Rear Right O/S Door Control Module A1679004811
PLN 188.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009059101
Mercedes-Benz E-Class W207 W212 ESP Yaw Rotation Rate Sensor A0009059101
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0045467540
Mercedes W204 W221 Distributor Box Block Control Unit Relay A0045467540
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2118700110
Mercedes W219 Hood Bonnet Light Solar Sensor Module A2118700110
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

Part no. A2055406921
Battery Wiring Mercedes X253 Diesel OM651 Alternator Harness Cable A2055406921
PLN 80.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2059006330
Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006330
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A0009060226
Starter Mercedes Vito W447 Diesel OM622 Starter Motor A0009060226
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6549001400-1
Mercedes W213 E220 CDI 654.920 194HP Engine ECU Kit A6549001400 Automatic
Promo price
PLN 1,899.95
PLN 1,139.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1728202100
Mercedes W176 W207 W246 USB Interface Multimedia Adapter Connector A1728202100
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2518701889
Antenna Amplifier Mercedes W164 W251 Aerial Control Unit Module A2518701889
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A1648207926
Mercedes ML W164 Air Module SRS Control Unit ECU A1648207926
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. A0015424723-1
Mercedes W204 W207 W221 Parking Sensor Display Control PDC A0015424723
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A6269060100
Starter Mercedes W205 Diesel OM626 Engine Starter Motor Bosch A6269060100
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1779003806
Door Module Mercedes C118 W177 W247 Front Left N/S Control Unit A1779003806
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A6385450319
Mercedes W639 W638 W906 Fuse Box Unit Holder Bracket Frame A6385450319
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2059004321
Mercedes W205 X253 Front Right O/S Door Control Unit Module A2059004321
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2118703126
Headlight Module Mercedes C209 W211 CLS C219 Level Control Unit ECU A2118703126
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A9079821100
Mercedes W910 Engine Hood Microswitch Cable Wiring Loom Harness A9079821100
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025450801
Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A0061514401
Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
Promo price
PLN 123.95
PLN 74.37
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1775403131
Mercedes w177 Sensor Wiring Harness Cable Front A1775403131
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009058112
Mercedes C118 W177 W247 Negative Battery Terminal Cable Lead A0009058112
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A0051517401
Starter Motor Mercedes W169 W245 Diesel Engine A0051517401
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009050338
Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050338
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2129004910
Radio Head Unit Mercedes W212 CD Audio Player Head Control Unit A2129004910
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A9069014700
Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
Promo price
PLN 522.95
PLN 313.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2079058802
Roof Antenna Mercedes W204 W212 Shark Aerial Antenna Cable Harness A2079058802
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1698702710
Mercedes-Benz A B Class W169 W245 Tow Protection ECO Switch Button Unit Module
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0465456628
Mercedes W203 W204 W218 Front Seat Wiring Loom Plug Connector A0465456628
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6397600204
Bowden Cable Mercedes W639 Door Handle Catch Top Rear Right O/S Wire A6397600204
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0018203126
Mercedes W168 Air Module Belt Locking System Sensor Control Unit Module ECU
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A1775408609
Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A1679001420
Central Locking Module Mercedes C118 W177 Door Lock Control Unit A1679001420
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
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
PLN 265.95
PLN 226.06
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2045407135
Earth Ground Cable Mercedes W204 C207 Line Strap Battery Lead A2045407135
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. A0009062209
Mercedes W118 W177 W247 Petrol M282.914 Alternator Generator A0009062209
PLN 636.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2075400440
Mercedes-Benz E-Class A207 Additional Battery Tray Holder Mounting Bracket
Promo price
PLN 46.95
PLN 44.60
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2048200189
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200189
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
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
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2059006337
Safety Module Mercedes S205 Airbag Belt Tensioner Control Module SRS A2059006337
Promo price
PLN 807.95
PLN 484.77
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
Promo price
PLN 61.95
PLN 37.17
Free delivery: Mar 03
If paid before 14:00

Part no. A2519061100
Mercedes W251 Central Multimedia Navi GPS Control Head Unit ECU A2519061100
PLN 1,329.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2075405205
Mercedes W207 Door Cable Wiring Loom Front Left Right Door N/O/S A2075405205
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1715405045
Mercedes SLK R171 Central Gateway Module ECU Control Unit A1715405045
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6229001000
Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000
Promo price
PLN 1,424.95
PLN 854.97
Free delivery: Mar 03
If paid before 14:00

Part no. A2515401730
Mercedes V251 Positive Battery Cable Wiring Loom Harness A2515401730
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2059008118
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008118
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

Part no. A2465407932
Battery Starter Wiring Mercedes W176 W246 Harness Cable Positive A2465407932
PLN 474.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. B67824524
Mercedes W164 Media Interface Connection Cable MI AUX Wiring B67824524
Promo price
PLN 104.95
PLN 99.70
Free delivery: Mar 03
If paid before 14:00

Part no. A2124400414
Mercedes C207 W207 W212 Fuel Pump Module Diesel Control Unit ECU A2124400414
PLN 75.95
Free delivery: Mar 03
If paid before 14:00

Part no. A2711500391-12
Mercedes W204 C207 W212 M271.820 156HP Engine ECU Kit A2711500391 Automatic
PLN 1,614.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 3 – 4
If paid before 14:00

-40%
Part no. A4479009808
Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM 4479009808
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
If paid before 14:00

Part no. A0009004839
Mercedes C118 W177 C247 Battery Control Module Unit ECU A0009004839
PLN 1,519.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1185402504
Mercedes C118 Door Harness Rear Left N/S Door Wiring Loom A1185402504
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2229063701
Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063701
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2139005613
Mercedes W213 Front Door Module Right O/S Control Unit A2139005613
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2049003509
Mercedes W204 S204 Radio Head Unit Sat Nav CD Player 2049003509
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

Part no. A0009058100
Mercedes ML W166 GL X166 SL R231 C292 Crash Impact Sensor A0009058100
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009051600
Mercedes W207 W212 W221 Front Windscreen Windshield Camera A0009051600
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2218703086
Mercedes W221 Seat Module Front Right O/S Memory Control Unit A2218703086
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1635401041
Mercedes-Benz M ML W163 Ground Earth Strap Cable Wiring A1635401041
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2128201689
Mercedes W212 Antenna Amplifier Aerial Module Unit A2128201689
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1729017601
Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2479009312
Mercedes W910 Telematics Module Communication Blutooth Control A2479009312
Promo price
PLN 341.95
PLN 205.17
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2044404732
Mercedes W204 Estate PDC Wiring Rear Bumper Parking Sensor Cable A2044404732
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1695453740
Mercedes-Benz A-Class W169 Fuse Box Unit Holder Bracket Frame A1695453740
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A4479001118
Mercedes W447 Front Air Module Control Unit ECU A4479001118
Promo price
PLN 1,899.95
PLN 1,139.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A4209003305
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305
Promo price
PLN 759.95
PLN 645.96
Free delivery: Mar 03
If paid before 14:00

Part no. A2055409240
Mercedes W205 Front Door Electric Wiring Harness Loom Cable Left N/S A2055409240
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2078201089
Mercedes W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201089
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2078202910
Seat Control Module Mercedes A207 W207 Cabrio Rear Control Unit ECU A2078202910
Promo price
PLN 56.95
PLN 48.41
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2118209626
Mercedes W211 W219 Alarm Control Module Unit ECU A2118209626
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2213201058
Mercedes R231 Valve Block Air Suspension Control Unit A2123200358
Promo price
PLN 854.95
PLN 512.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2059007037
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2059007037
Promo price
PLN 427.95
PLN 256.77
Free delivery: Mar 03
If paid before 14:00

Part no. A1679000111
Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000111
PLN 1,139.95
Free delivery: Mar 03
If paid before 14:00

Part no. A2710106644-2
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU Kit A2710106644 Key Lock
PLN 1,044.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2078202810
Mercedes W207 Convertible Anti Theft Roof ITS TPS Sensor Module Unit A2078202810
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A6229000500
Mercedes W447 OM622.951 Engine Control Unit Module ECU Kit A6229000500 Manual
Promo price
PLN 949.95
PLN 807.46
Free delivery: Mar 03
If paid before 14:00

Part no. A1668203426
Mercedes W166 C292 Front Seat Adjuster Module Unit Left Right N/O/S A1668203426
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6394404906
Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. lhd-A2215403310
Mercedes W221 Battery Electrical Ground Line Wire Earth Cable A2215403310
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 3 – 4
If paid before 14:00

-15%
Part no. A9079051202
Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1179005800
Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1679004511
Door Module Mercedes W205 W213 C253 Rear Left N/S Control Unit ECU A1679004511
Promo price
PLN 265.95
PLN 226.06
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1685405008
Mercedes A-Class W168 Door Cable Harness Wiring Loom Front Right A1685405008
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2039000000-1
Mercedes CL203 Head Unit CD Player Radio Audio Controller Unit A2039000000
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

Part no. A2789060600
Mercedes W166 R172 W205 C207 W212 C216 Engine Starter Motor 12V A2789060600
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A6395400044
Mercedes Vito W639 Anti Theft Alarm Switch Loom Cable A6395400044
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2218208202
Mercedes W221 Front Centre Dashboard Tweeter Speaker A2218208202
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2075400740
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2128300008
Fan Blower Mercedes W212 Comand Navi CD Control Unit Module Cooler A2128300008
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
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 .