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. A2059068501
Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2218702286
Mercedes W221 Front Seat Heater Control Unit Module ECU A2218702286
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2465401205
Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1779069601
Mercedes W177 W247 Fuse Box Front Relay Engine Control Unit Module A1779069601
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2048702126
Mercedes W204 Door Module Control Unit Module Front Right O/S A2048702126
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2218708992
Mercedes W221 C216 Telephone Bluetooth Connection Control Module A2218708992
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2218705087
Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2048702626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048702626
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009051910
Battery Cable Mercedes W177 W247 Negative Lead Terminal Harness A0009051910
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009827723
Fuse Relay Mercedes W176 W204 W246 4-Pin Unit Black Hella A0009827723
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A0009062103
Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

Part no. A2465404300
Mercedes W176 Door Harness Loom Cable Wiring Rear Right A2465404300
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

Part no. A2129060605-1
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009003713
Mercedes W205 Tyre Pressure Control Module Unit A0009003713
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2044402232
Mercedes W204 W207 Battery Cable Positive Wiring Harness Loom A2044402232
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A0025450601
Mercedes W906 Fuse Relay Box Module Control Unit A0025450601
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

Part no. A0009063000
Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
PLN 408.95
Free delivery: Mar 03
If paid before 14:00

Part no. A2055407942
Mercedes W205 Front Door Harness Wiring Cable Left Right N/O/S A2055407942
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2078201989
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201989
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

Part no. A2038704589
Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038704589
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2319009106
Door Module Mercedes R231 Front Door Right O/S Control Module A2319009106
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2465408109
Door Wiring Mercedes W176 Loom Cable Rear Left Right N/O/S A2465408109
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2125403005
Mercedes W212 M271 Wiring Battery Alternator Starter Harness Cable A2125403005
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2215408245
Mercedes W221 Air Suspension Control Unit Module ECU A2215408245
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

Part no. A0009004836
Mercedes W177 W247 Driving Dynamics Module Control Unit ECU A0009004836
PLN 664.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2229063202-1
Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1679003811
Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6401500734
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A4475406453
Battery Cable Mercedes Vito W447 Diesel OM651 Alternator Wiring A4475406453
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1775405101
Door Wiring Mercedes V177 Rear Door Right Left N/O/S Harness Wire A1775405101
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0048201910
Mercedes W124 E280 Acceleration Sensor For Belt Locking Retractor A0048201910
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2058200526-1
SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1645453047
Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. A6429000500
Mercedes W204 C320 CDI OM.652.960 Engine Control Unit ECU A6429000500 Automatic
PLN 332.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2135403839
Mercedes W213 C238 Power Relay Fuse Box Unit Cover A2135403839
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009067702
Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702
Promo price
PLN 379.95
PLN 322.96
Free delivery: Mar 03
If paid before 14:00

Part no. A2045402410
Mercedes W204 Door Wiring Front Left N/S Door Cable Harness A2045402410
PLN 66.95
Free delivery: Mar 03
If paid before 14:00

Part no. A1775408457
Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457
PLN 341.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2079059702
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit Right O/S
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2198202426
Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2189015200
Mercedes X218 Air Module Control Unit ECU Module A2189015200
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

Part no. A2045456301
Mercedes W204 Comfort Control Module Front Fusebox A2045456301
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1698208026
Mercedes W169 Door Control Module Right Front O/S A1698208026
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2059067200-1
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

-15%
Part no. A1715409245
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715409245
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2139005427
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139005427
Promo price
PLN 807.95
PLN 484.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1729003106
Mercedes SLC R172 Parktronic Parking Sensor Module Unit ECU A1729003106
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2741504704
Mercedes X253 Engine Wiring Harness Line Supply Line A2741504704
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2129018508
Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
Promo price
PLN 151.95
PLN 129.16
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. RHD-A1664404337
Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2055463100
Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2218705093
Mercedes W221 Door Control Module Unit ECU Rear Left Right N/O/S A2218705093
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6421508900-6
Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic
Promo price
PLN 1,899.95
PLN 1,139.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1765404609
Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2044409005
Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2059004521
Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521
Promo price
PLN 47.95
PLN 40.76
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1725400433
Electric Wire Mercedes SLK R172 M271 Alternator Prefuse Box Wiring A1725400433
Promo price
PLN 93.95
PLN 79.86
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A4475401440
Mercedes Vito W447 Fuse Box Relay Control Unit Module A4475401440
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2711500420
Mercedes W204 M271 Solenoid SOLV Valve Wiring Harness Petrol A2711500420
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2056186000
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186000
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2219004704
Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704
Promo price
PLN 2,849.95
PLN 1,709.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009002308
Mercedes W447 W906 Adblue Module Exhaust Gas Control Unit ECU A0009002308
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1779008206
Mercedes W177 Ambience Illumination Light Control Module Unit A1779008206
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025428019
Relay Mercedes W176 W246 4-Pin Black Hella 12V A0025428019
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A0014460340
Mercedes W245 B150 CDI OM266.920 Engine Control Unit Module ECU A0014460340
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2124404851
Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1636880035-1
Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. A2129060605
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
PLN 284.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009008718
Climate Control Module Mercedes W205 W213 Air Conditioning A/C Unit A0009008718
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6261500075
Mercedes W205 Alternator Protective Cover Metal Sheet A6261500075
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009006007
Fuel Pump Module Mercedes W205 Control Unit ECU A0009006007
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A1179001702
Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2038700326
Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126
Promo price
PLN 66.95
PLN 56.91
Free delivery: Mar 03
If paid before 14:00

Part no. A2055400292
Mercedes W205 Door Wiring Harness Door Control Loom Front Right O/S A2055400292
PLN 227.95
Free delivery: Mar 03
If paid before 14:00

Part no. A4475400082
Mercedes Vito W447 Fuse Box Cover Trim Panel Lid Housing A4475400082
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2129004518
Door Control Unit Mercedes W204 W207 W212 Front Left N/S Module ECU A2129004518
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1179006000
Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2229004320
Telematics Module Mercedes C238 Communication Blutooth Control A2229004320
Promo price
PLN 265.95
PLN 159.57
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2479003216
Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216
Promo price
PLN 2,374.95
PLN 1,424.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A9075406749
Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1685400830
Mercedes A W168 Petrol Engine Starter Alternator Electrical Cable A1685400830
Promo price
PLN 123.95
PLN 117.75
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2709060500
Ignition Coil Mercedes W176 W204 C207 W212 Petrol Cable Connector A2709060500
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 390203254
Seat Adjustment Motor Mercedes R171 W221 Front Seat Motor Actuator 0390203254
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2701590042
Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

Part no. A2035407608
Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2049060105
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1729008206
Interface Module Mercedes W176 W204 W212 Multimedia Control Unit A1729008206
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

Part no. A2139007436
Mercedes W177 W213 Gearbox Transmission Control Module Unit ECU A2139007436
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6399003701
Mercedes W639 Tire Tyre Pressure Control Module Unit A6399003701
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1768200704
Sunroof Wiring Mercedes C117 W176 Panoramic Motor Cable Harness A1768200704
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A9065400341
Battery Cable Mercedes Sprinter W906 Negative Lead Wiring Harness A9065400341
Promo price
PLN 51.95
PLN 44.16
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2129005101
Fuse Box Mercedes W212 Rear SAM Relay Fuse Box Control Module A2129005101
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

Part no. A2059008143
Mercedes W205 Front Telephone Wireless Charging Load Wattage Module A2059008143
PLN 218.95
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 .