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
-40%
Part no. A2661538479-1
Mercedes W169 A150 Petrol M266.920 95HP Engine ECU Kit A2661538479 Automatic
Promo price
PLN 712.95
PLN 427.77
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A6398201689
Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2479004505-1
Mercedes Vito W447 Sprinter W907 W910 Telematics Module Control Unit A2479004505
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0005463704
Mercedes C118 Positive Pole Battery Insulating Cap Cover Trim A0005463704
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A2218707385
Mercedes W221 Rear DVD Entertainment System Video Player Unit A2218707385
Promo price
PLN 1,519.95
PLN 911.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2218210197
Mercedes W221 Cover Wiring Cable Front Door Protection Seal Sleeve A2218210197
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A1635409008
Mercedes-Benz M ML W163 Radio Aerial Antenna Amplifier Wiring Loom A1635409008
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A1695458140
Mercedes W169 W245 Relay Control Unit Bracket Mount Holder Cover A1695458140
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2059008218
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008218
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2215450801-1
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
PLN 854.95
PLN 512.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2219000804
Parking Module Mercedes W221 W216 Sensor PDC Distance Control Unit A2219000804
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
Part no. CPLA-14D455-AF
Range Rover L405 Blind Spot Radar Sensor Module Control Unit CPLA-14D455-AF
PLN 474.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2038219751-1
Mercedes-Benz C-Class W203 Alarm Sensor Module Unit A2038219751
Promo price
PLN 65.95
PLN 62.65
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A1669063901
Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901
Promo price
PLN 85.95
PLN 73.06
Free delivery: Mar 03
If paid before 14:00
Part no. A2711504279
Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
PLN 1,234.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2055400182
Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A1669003309
Mercedes W176 W204 W246 Headlight Headlamp Range Control Unit Module A1669003309
Promo price
PLN 179.95
PLN 152.96
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0325453132
Gearbox Module Mercedes SLK R171 Automatic Transmission Unit EGS A0325453132
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2054402834
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2054402834
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A0024463140-4
Mercedes W169 A160 CDI 95HP M266.920 Engine ECU Kit A0024463140 Automatic
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
Part no. A1725408705
Mercedes R172 Electrical Wiring Harness Cable Window Regulator A1725408705
PLN 66.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2218202910
Mercedes W221 Dashboard Instrument Cluster Panel Switch A2218202910
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A0015424423
Parktronic Screen Mercedes W207 W212 Front Parking Sensor Display A0015424423
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A1718201726
Mercedes SLK R171 Seat Heated Heating Control Unit Module ECU A1718201726
Promo price
PLN 103.95
PLN 88.36
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2579005100
Mercedes Sprinter W907 Telematics Services Communication Module A2579005100
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A9078209600
Mercedes W907 L2H2 Electric Radio Player Head Unit A9078209600
Promo price
PLN 474.95
PLN 403.71
Free delivery: Mar 03
If paid before 14:00
Part no. A1695407405
Mercedes W169 Wiring Loom Cable Door Front Left Right N/O/S A1695407405
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A6394409909
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6394409909
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2055407616
Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A0038202926
Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2129000004
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2129014204
Mercedes-Benz W212 ECU Control Unit Sensor Module Airbag A2129014204
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A6519007401-3
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
PLN 807.95
PLN 686.76
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0025429319
Mercedes C117 W166 W176 W205 X253 Relay Black Control Unit 4 Pin 12V A0025429319
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00
Part no. A2139008330
Mercedes W177 W213 W247 Automatic Gearbox Control Unit Module ECU A2139008330
PLN 379.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2215408445
Mercedes W221 Radar Distronic Adaptive Cruise Control Sensor A2215408445
Promo price
PLN 1,614.95
PLN 968.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A0009056001
Battery Cable Mercedes W213 S213 Negative Lead Wiring Harness A0009056001
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A1636801080-1
Mercedes-Benz M-Class ML W163 1 Cover Footwell Fuse Box Trim Right A1636801080
Promo price
PLN 65.95
PLN 56.06
Free delivery: Mar 3 – 4
If paid before 14:00
-15%
Part no. A2469005315
Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2057200522
Mercedes GLC X253 Front Door Trim Cover Panel Strip Left N/S Black A2057200522
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 3 – 4
If paid before 14:00
-40%
Part no. A6461505072-1
Mercedes W211 E220 CDI 646.821 170HP Engine ECU Kit A6461505072 Ignition + Key
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2469004512
Mercedes-Benz A M Class W166 W176 Parking Brake Control Unit Module ECU
Promo price
PLN 70.95
PLN 67.40
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A1779005505
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779005505
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A6429004201
Mercedes W221 BlueTec Exhaust Gas Aftertreatment Control Unit Module A6429004201
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
If paid before 14:00
Part no. A2721540002
Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002
PLN 332.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2045409533
Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00
Part no. A2215408908
Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908
PLN 113.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2055403706
Mercedes W205 Front Axle Damper Adjustment Left N/S Wiring Harness A2055403706
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00
Part no. A2055401492
Mercedes W205 Door Wiring Harness Door Control Loom Front Left N/S A2055401492
PLN 436.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2465401350
Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2465401350
Promo price
PLN 47.95
PLN 40.76
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A6394460132
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460132
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2054400534
Mercedes C205 Bumper PDC Wiring Loom Rear Parking Sensor A2054400534
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0005401203
Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2465400340-2
Mercedes W176 Fuse Relay Box Control Unit A2465400340 A2465400140
Promo price
PLN 65.95
PLN 56.06
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2128203785
Door Module Mercedes W204 W212 Front Right O/S Control Unit VST A2128203785
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2135402870
Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870
Promo price
PLN 141.95
PLN 120.66
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 0390203255
Seat Adjustment Motor Mercedes W221 Front Seat Motor Actuator 0390203255
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2076822704
Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2034450000
Mercedes Vito W639 Gateway Control Unit Module A2034450000
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2135405542
Mercedes W205 Electrical Wire From Transmission To Body Ground Cable A2135405542
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00
Part no. A0009828523
Mercedes W164 Suspension Compressor Relay A0009828523
PLN 42.95
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A6519007500-7
Mercedes A207 C207 E220 CDI 651.911 BE Engine ECU Kit Ignition + Key A6519007500
Promo price
PLN 617.95
PLN 370.77
Free delivery: Mar 03
If paid before 14:00
Part no. A2465406607-1
Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2115402105
Battery Cable Mercedes W211 Starter Alternator Wiring Harness A2115402105
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A2539009309
Mercedes C253 W293 Rain And Light Sensor Control Unit Module ECU A2539009309
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A6081550035
Mercedes W177 Alternator Mounting Bracket Carrier A6081550035
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A0009828323
Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323
Promo price
PLN 37.95
PLN 36.05
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2469004519
Gearbox Module Mercedes W176 W246 Control Unit ECU Automatic A2469004519
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2465400140
Mercedes-Benz A-Class W176 Equipment Electrical Cover Fuse Box A2465400140
Promo price
PLN 46.95
PLN 44.60
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A1715400406
Mercedes SLK R171 Window Lifter Lift Mechanism Cable Wiring Harness A1715400406
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
Part no. A1775409141
Mercedes W177 W243 W247 Front Door Wiring Harness Cable Driver Side A1775409141
PLN 142.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A0009001704
Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
Promo price
PLN 265.95
PLN 226.06
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A9079020303
Mercedes Sprinter W907 W910 AIr Module Sensor Unit ECU A9079020303
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00
Part no. A2218700992
Mercedes W221 Rear Seat Bench Module Control Unit Controller A2218700992
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2038000178
Mercedes-Benz C CLK Class W203 C209 Vacuum Solenoid Valve A2038000178
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A6519007401-1
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
PLN 1,329.95
PLN 797.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A1729051301
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
Part no. A2229009211-1
Mercedes W207 W212 Tuner Box Digital Satellite Radio Control Unit A2229009211
PLN 284.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2105460141
Mercedes-Benz E-Class W210 Battery Cable Box Connector Petrol A2105460141
Promo price
PLN 27.95
PLN 26.55
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2058200704
Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704
Promo price
PLN 142.95
PLN 135.80
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2469000005
Mercedes W176 PDC Parking Distance Control Module Unit A2469000005
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. A2055400428
Battery Wiring Mercedes GLC X253 C253 Diesel OM651 Starter Cable A2055400428
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2128203589
Antenna Amplifier Mercedes W212 Aerial Module Rear Roof Frame Right A2128203589
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A2469066600
Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2049000300
Mercedes W212 Media Interface Control Unit Module Communication A2049000300
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-40%
Part no. A6401502579
Mercedes W169 200CDI OM640.941 140HP Engine Control Unit Module ECU A6401502579
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2761508800
Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A2469002616
Mercedes W176 W246 PDC Parking Distance Sensor Control Unit Module A2469002616
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A1669008009
Mercedes GLE W166 Rear Door Wiring Control Module Right O/S Unit ECU A1669008009
Promo price
PLN 165.95
PLN 157.65
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. A0009008905
Windscreen Camera Mercedes W207 W212 W246 Front Control Unit Module A0009008905
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2078200075
Antenna Mercedes W212 Keyless Go Comfort Access Antenna Module Unit A2078200075
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-15%
Part no. A6071550335
Alternator Belt Tensioner Mercedes W176 OM607 Diesel Holder Mounting Panel
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00
Part no. A2229009519-1
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
PLN 2,279.95
Free delivery: Mar 03
If paid before 14:00
Part no. A1779002410
Mercedes W177 Air Module SRS System Control Unit ECU A1779002410
PLN 284.95
Free delivery: Mar 03
If paid before 14:00
Part no. A0009069905
Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703
PLN 474.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. A2115452601
Mercedes ML W164 Prefuse Fuse Distribution Box Front A2115452601
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. A2045451047
Control Unit Bracket Mercedes W204 W212 Audio Module Holder Mount A2045451047
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. A2045421118
Mercedes W204 W451 Negative Cable Battery Terminal Wiring A2045421518
PLN 94.95
Free 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 .