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. A1645460261
Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A0009009639
Mercedes EQA350 H243 4matic DC Current Charge Connection Module OBL + BR293
Promo price
PLN 3,799.95
PLN 2,279.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
Promo price
PLN 427.95
PLN 256.77
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2129003414
Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414
Promo price
PLN 455.95
PLN 273.57
Free delivery: Mar 03
If paid before 14:00

Part no. A2059055211
Mercedes W117 W154 W205 W213 W217 Tailgate Open Switch Sensor Rear A2059055211
PLN 132.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A1779061002
Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1779061002
Promo price
PLN 104.95
PLN 62.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2038219551-2
Mercedes CL203 Rear Roof Alarm Motion Sensor Control Unit Module A2038219551
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1775401629
Mercedes W177 Rear Bumper PDC Wiring Loom Parking Sensor A1775401629
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2219000100
Mercedes W221 Digital Audio DAB Receiver Control Unit Module A2219000100
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1695400209
Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0035422319
Mercedes W176 W246 Relay Battery Decoupling 12V A0035422319
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A9079006906
Mercedes Sprinter W907 W910 Ignition Lock Control Unit Module ECU A9079006906
Promo price
PLN 759.95
PLN 455.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6519065700
Mercedes W907 314 CDI Engine Alternator Generator Valeo A6519065700
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6519007401-2
Mercedes W204 C250CDI Blue Efficiency OM651.911 204HP Engine ECU A6519007401 Key
Promo price
PLN 759.95
PLN 455.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2059051106
Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A9079051602
Mercedes W907 Aerial Antenna Amplifier Control Unit Module A9079051602
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6395402710
Mercedes Vito W639 Key Reader Ignition Lock Cable Wiring Harness A6395402710
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A9076830400
Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009003310
Mercedes W205 W213 Fuel Pump Module Control Unit ECU A0009003310
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6519002803
Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
Promo price
PLN 1,139.95
PLN 683.97
Free delivery: Mar 03
If paid before 14:00

Part no. A2125406505
Mercedes W212 Door Wire Wiring Loom Front Right O/S A2125406505
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1669061202
Mercedes W221 Fuse Box Control Unit Module Relay A1669061202
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2218707526
Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

Part no. A2045401434
Mercedes W204 OM642 Alternator Starter Wiring Harness Cable A2045401434
PLN 180.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A0009005602
Mercedes W204 W212 Control Unit AMG Drive Select Module ECU A0009005602
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
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
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6421509478-3
Mercedes W164 ML320 OM642.940 224 HP 4Matic Engine ECU Kit A6421509478 Automatic
Promo price
PLN 1,139.95
PLN 683.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2535401001
Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2535409530
Mercedes X253 Hybrid Engine Wiring Harness Loom Cable A2535409530
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0535450226
Mercedes Sprinter W906 Fuse Box Connector Plug Socket A0535450226
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2198203626
Mercedes CLS W219 Door Module Rear Right O/S Control Unit A2198203626
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

Part no. A2709002100-9
Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual
PLN 522.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2045420323
PDC Display Mercedes W204 Front Parking Sensor Screen Control Unit A2045420323
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2385452700
Mercedes C238 Rear Control Unit Module Bracket Holder Trim Panel A2385452700
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
PLN 47.95
PLN 40.76
Delivery: Mar 03
If paid before 14:00

Part no. A1679007012
Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012
PLN 218.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1729002301
Mercedes SLK R172 Door Control Unit Module Front Left N/S A1729002301
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1765406708
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1175450800
Negative Battery Terminal Mercedes C117 W176 W246 Lead Connector A1175450800
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2048702426
Mercedes W204 Door Module Rear Left N/S Control Unit Module A2048702426
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2059006651
Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0141540402
Alternator Mercedes W164 OM272 Engine Alternator 180A 14V Valeo A0141540402
Promo price
PLN 369.95
PLN 314.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2125455640
Mercedes W212 Battery Holder Mount Bracket Support E-Class A2125455640
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009050038
Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050038
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025427219
Mercedes W169 W245 W204 W212 Relay 4-Pin Black Hella A0025427219
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2049006009
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1725403405
Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2465405933
Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1699000100
Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
Promo price
PLN 66.95
PLN 56.91
Free delivery: Mar 03
If paid before 14:00

Part no. A4479980101
Mercedes W447 Rear Boot Door Wiring Loom Harness Rubber Grommet A4479980101
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2469008115
Mercedes W176 W246 Gearbox Transfer Case Control Module Unit ECU A2469008115
Promo price
PLN 94.95
PLN 56.97
Free delivery: Mar 03
If paid before 14:00

Part no. A4475400010
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2079011900
Air Module Mercedes W207 A207 Control Unit ECU Air Module Sensor A2079011900
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2079010100
Air Module Mercedes W207 C207 Coupe Control Unit ECU A2079010100 5WK43967
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2218708326
Mercedes W221 Rear View Backup Camera Control Unit Module A2218708326
Promo price
PLN 208.95
PLN 125.37
Free delivery: Mar 03
If paid before 14:00

Part no. A2218700693
Mercedes W221 Navigation CD DVD Player Changer Unit A2218700693
PLN 1,709.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2125407605
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2125407605
Promo price
PLN 46.95
PLN 44.60
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2135401217
Mercedes W213 OM642 Diesel Engine Alternator Wiring Loom Harness A2135401217
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

Part no. A2038201585
Mercedes W203 Door Control Module Front Left N/S A2038201585
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2049004106
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049004106
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. A2469000012
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
PLN 351.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2055457540
Mercedes W205 C238 X253 W213 Inner Firewall Contact Support A2055457540
Promo price
PLN 93.95
PLN 79.86
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2469003615
Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2468201915
AUX Jack Port Mercedes C117 W246 W176 Wiring Loom Cable Harness A2468201915
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A9069006503
Door Module Mercedes W906 Front Left Right N/O/S Control Unit ECU A9069006503
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1779001203
Mercedes W177 Door Control Module Rear Left Right N/O/S A1779001203
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2129004025
Mercedes W212 Fuse Box Relay Control Unit Module SAM A2129004025
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A9078200301
Mercedes W907 Radio Professional System Controller Head Unit A9078200301
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2048701826
Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1775405801
Mercedes W177 W247 Door Wiring Rear Left Right Cable Harness A1775405801
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025421119-1
Relay Unit Mercedes W163 W168 W203 W211 4-Pin Black Hella A0025421119 Set 2x
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2649000700-2
Mercedes W205 C 200 264915 264.915 184HP Engine ECU Module A2649000700 Automatic
Promo price
PLN 1,044.95
PLN 626.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. rhd-A1185407902
Mercedes C118 Front Door Left Right N/O/S Electrical Wiring Harness A1185407902
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

Part no. A2649001800
Mercedes C205 W213 W253 W257 Alternator Generator M264 Engine A2649001800
PLN 1,424.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2045406662
Mercedes-Benz C W204 PDC Parking Sensor Distance Control Module A2045406662
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. A0285454032
Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009001017
Mercedes S205 W205 Air Conditioning Control Module A/C ECU Unit A0009001017
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2128208826
Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1765450000
Mercedes-Benz A-Class W176 Bluetooth Unit Module Bracket Holder A1765450000
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2049005601
Mercedes W204 S204 Estate SAM Control Unit Module Rear A2049005601
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1718204026
Mercedes SLK R171 Rain Sensor Front Windscreen Light A1718204026
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2479052503
Mercedes Sprinter W910 Remote Key Control Unit A2479052503
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

Part no. A0009105202-1
Mercedes ML W164 Front Seat Lumbar Module Control Unit Pump A0009105202
PLN 113.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2749000800-1
Mercedes W205 C200 274.920 184HP Engine ECU Kit A2749000800 Key Lock Automatic
Promo price
PLN 949.95
PLN 807.46
Free delivery: Mar 03
If paid before 14:00

Part no. A2059000219
Mercedes C117 W176 W205 Telematics Module Communication Control Unit A2059000219
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6395406609
Wiring Loom Vito Mercedes W639 Front Door Cable Left Right N/O/S A6395406609
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. A2038206526
Mercedes-Benz C-Class W203 Door Control Module Unit Rear Left N/S A2038206526
PLN 42.95
Delivery: Mar 3 – 4
If paid before 14:00

-5%
Part no. A2079001100
Door Module Mercedes C207 W207 Front Left N/S Control Unit ECU A2079001100
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

Part no. A2711502879-1
Mercedes W204 C200 M271.950 184HP Engine ECU Kit A2711502879 Ignition + Key Lock
PLN 2,184.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6395407809
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6395407809
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2535405429
Mercedes C253 OM656 Diesel Engine Motor Wiring Loom Cable Harness A2535405429
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2129008707-1
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2059008826
Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826
Promo price
PLN 132.95
PLN 113.01
Free delivery: Mar 03
If paid before 14:00

Part no. A2139007839
Mercedes W167 W177 W247 Headlight Ballast Control Module Left N/S A2139007839
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2215403110
Mercedes W221 Positive Battery Cable Wire A2215403110
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1698207526
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Rear A1698207526
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 .