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
-5%
Part no. A1698207926
Mercedes W169 W245 Control Unit Front Left Door N/S Module A1698207926
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2749003900
Mercedes Vito W447 Electronic Control Unit Module ECU A2749003900
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2829003300
Mercedes W177 A200 163HP M282.914 Engine Control Unit ECU A2829003300 Automatic
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00
Part no. A0045450201-1
Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. A1679008309
Mercedes W177 W247 Telematics Module Communication Control Unit A1679008309
PLN 142.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A1679003504
Ignition Switch Mercedes W177 Electronic Anti Theft Control Module A1679003504
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A1729060005
Mercedes R172 Rear SAM Fuse Relay Box A1729060005
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00
Part no. A1729000302
Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A1568200089
Mercedes W176 W246 Tailgate Aerial Antenna Amplifier Unit A1568200089
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-100%
Part no. A4479060400
Mercedes W447 Fuse Relay Box Module Control Unit A4479060400
Promo price
PLN 263.95
-PLN 0.03
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2139009406
Mercedes W213 Display Screen Information Navigation Dashboard A2139009406
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A9079003207
Mercedes W907 Air Suspension Level Control Unit Module Airmatic A9079003207
Promo price
PLN 617.95
PLN 370.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0025421319-4
Mercedes W204 Genuine Universal Car Relay 4-Pin Tyco X4 Black A0025421319
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2124407038
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124407038
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
Part no. A2055401542
Mercedes W205 Rear Door Harness Wiring Cable Left Right N/O/S A2055401542
PLN 256.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2319014702
Mercedes R231 Air Module Control Unit ECU SRS Module A2319014702
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
Part no. A1698100212
Mercedes W169 W245 Electrical Wiring Sun Visor Wiring Loom Harness A1698100212
PLN 56.95
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A1718701410
Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410
Promo price
PLN 473.95
PLN 402.86
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2055400555
Mercedes W205 Door Electrical Wiring Harness Front Left N/S A2055400555
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A1665459340
Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0009058000
Windscreen Camera Mercedes W207 W221 Front Windshield Module Unit A0009058000
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2139008822
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A0009004434-2
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
Promo price
PLN 427.95
PLN 256.77
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A6291501779
ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic
Promo price
PLN 427.95
PLN 256.77
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8589948
BMW G20 G21 Positive Battery Cable Wiring Loom 8589948
Promo price
PLN 94.95
PLN 56.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2055455100
Mercedes W205 W213 C238 Power Distribution Unit Busbar Connector A2055455100
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 3 – 4
If paid before 14:00
-5%
Part no. A0005459712
Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712
Promo price
PLN 43.95
PLN 41.75
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A1668201089
Mercedes W176 Radio Aerial Antenna Amplifier Booster Unit Module A1668201089
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2661503033
Mercedes W169 W245 M266 Petrol Engine Wiring Harness Loom A2661503033
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A0015454416
Mercedes CL203 M271 Automatic Gearbox EGS Control Module Unit ECU A0015454416
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2229007109
SAM Module Mercedes C205 GLC X253 Coupe Rear Control Unit A2229007109
Promo price
PLN 120.95
PLN 102.81
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2059004013
Mercedes W205 Air Conditioning Control Module A/C ECU Unit A2059004013
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2218207502
Mercedes W221 Front Centre Dashboard Speaker Logic 7 A2218207502
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2518703390
Mercedes W251 Rear Passengers Entertainment Control Unit A2518703390
Promo price
PLN 331.95
PLN 199.17
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2829006700
Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic
Promo price
PLN 1,139.95
PLN 683.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A1775405520
Mercedes W177 Front Door Harness Loom Cable Wiring Left Right N/O/S A1775405520
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2075402013
Door Cable Mercedes W212 Wiring Loom Front Left Right Door N/O/S A2075402013
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2036901430
Mercedes C CLC Class CL203 W203 Rear SAM Unit Fuse Box Trim Cover A2036901430
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 3 – 4
If paid before 14:00
-5%
Part no. A1669000618
Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A9075402605
Mercedes W907 Fuse Box Control Unit Module Q2 A9075402605
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A1679008207
Telematics Module Mercedes W177 W247 Communication Control Unit ECU A1679008207
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2469009212
Mercedes X117 Tailgate Boot Control Rear Module Unit A2469009212
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A0009063322
Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
Part no. A2215408609
Mercedes W221 Rear Door Wiring Harness Cable Left N/S A2215408609
PLN 142.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2059005713
Door Module Mercedes W205 Front Left N/S Door Control Module Unit A2059005713
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A2189002002
Mercedes X218 CLS350 Automatic Trunk Lid Clossing Control Module A2189002002
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00
Part no. A2059004507
Mercedes GLC C253 Tailgate Boot Lid Module Control Unit A2059004507
PLN 151.95
Free delivery: Mar 03
If paid before 14:00
Part no. A2124406207
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124406207
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. A1715405045-1
Mercedes SLK R171 Central Gateway Module ECU Control Unit A1715405045
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. A2055401516
Mercedes W205 Battery Cable Negative Lead Wiring Harness Control A2055401516
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2139068701-1
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068701
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2129004014
Mercedes W204 W212 Front Door Module Control Unit Module Left N/S A2129004014
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
Part no. A6519007500-26
Mercedes W204 W212 C220CDI 170HP OM651.911 Engine Control ECU A6519007500 Manual
PLN 237.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2135400329
Mercedes X253 Electrical Wiring Harness Cable Hybrid A2135400329
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2139006911
Mercedes W213 C238 Telematic Charging Phone Control Module A2139006911
Promo price
PLN 161.95
PLN 97.17
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A1779002510
Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
Promo price
PLN 522.95
PLN 313.77
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A1648205389
Mercedes ML W164 Aerial Antenna Amplifier Unit Module A1648205389
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2075403332
Convertible Cable Mercedes A207 C207 Roof Rail Wiring Harness A2075403332
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2218203375
Mercedes W221 Bluetooth Antenna AMP Amplifier Module A2218203375
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A9079002407
Mercedes W907 Electronic Ignition Module Control Unit A9079002407
Promo price
PLN 607.95
PLN 364.77
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2049005503
Mercedes C207 Complete Damper Adjustment Control Module ECU A2049005503
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2475457300
Mercedes W177 Fuse Box Relay Cover Lid Control Unit Bracket Trim A2475457300
Promo price
PLN 70.95
PLN 67.40
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2198200326
Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2475400600
Mercedes W177 Rear Axle Wheel RPM Speed Right Sensor Wire Harness A2475400600
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A0009053006
Battery Wire Mercedes W205 Negative Cable With Battery Sensor 48V A0009053006
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0009006907
Mercedes W205 Tire Pressure Control Module A0009006907
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2218702086
Mercedes W221 Rear Seat Control Module Unit ECU A2218702086
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00
Part no. A2129004901
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129004901
PLN 42.95
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2139008430
Mercedes W910 Gearbox Control Module A2139008430
Promo price
PLN 113.95
PLN 108.25
Free delivery: Mar 03
If paid before 14:00
Part no. A1178700110-1
Mercedes W176 Occupancy Mat Front Passenger Seat Sensor Control Unit A1178700110
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
Part no. A0025421319-1
Mercedes W204 Genuine Universal Car Relay 4-Pin Hella Black A0025421319
PLN 42.95
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A2469005312
Mercedes X117 X156 W246 Relay Control Unit Module A2469005312
Promo price
PLN 42.95
PLN 25.77
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A6519000601-1
Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
Promo price
PLN 1,234.95
PLN 1,049.71
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2049006003
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049006003
Promo price
PLN 902.95
PLN 541.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A1698204515
Media Plug Mercedes W169 W245 Multimedia Connection Cable Wire A1698204515
Promo price
PLN 104.95
PLN 99.70
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2075404107
Mercedes W204 M276 NOX Sensor Adapter Left N/S Harness Wiring Cable A2075404107
Promo price
PLN 161.95
PLN 137.66
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A1729060105
Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729060105
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00
Part no. A2129005327
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327
PLN 1,139.95
Free delivery: Mar 03
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
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2055403606
Mercedes W205 Front Axle Damper Adjustment Right O/S Wiring Harness A2055403606
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00
Part no. A0015422623-2
Mercedes W639 PDC Display Parking Sensor Screen Control Unit A0015422623
PLN 127.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A0009057302
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009057302
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2479002707
Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707
Promo price
PLN 218.95
PLN 131.37
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2781506020
Cable Beam Mercedes W166 W212 W221 Engine Wiring Harness Loom A2781506020
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2134400200
Mercedes GLC 300e X253 Electric Drive Ground Earth Line Wire A2134400200
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A0005457616
Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2519062200-1
Mercedes W251 COMAND Navigation Head Unit Radio Sat Nav Screen A2519062200
Promo price
PLN 1,424.95
PLN 854.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2229003210
Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0065424220
Mercedes W164 W251 High Tone Horn Signal Right O/S A0065424220
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A4475402231
Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2208204942-1
Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2469008516
Parking Brake Module Mercedes W176 W246 Electric Control Unit ECU A2469008516
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0035420219-3
Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue A0035420219
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0005465402
Mercedes C117 W176 W246 Positive Battery Terminal Cover Cap Trim Red A0005465402
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2118203375
Antenna Booster Mercedes W211 Rear Boot Lid Tailgate Amplifier A2118203375
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A1331510745
Mercedes C117 CLA 45 AMG Heat Shield Alternator Plate Petrol M133 A1331510745
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A9105400805
Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805
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 .