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. A2059006651
Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A0009002740
Camera Module Mercedes C205 W247 GLC X253 W910 Control Unit A0009002740
Promo price
€332.95
€199.77
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2059054415
Heater Climate Mercedes W205 C253 Control A/C Unit Switch Panel A2059054415
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2049009907-2
Mercedes W204 Navigation Radio Player Head Unit Computer A2049009907
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2118705426
Rain Sensor Mercedes W211 C219 Front Windscreen Control Unit A2118705426
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1645400624
Mercedes W164 Fuse Box Relay Housing Cover A1645400624
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A1648702726
Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2079059702
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit Right O/S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2078201989
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201989
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2079057501
Mercedes E-Class W207 Cabrio A207 ITS Camera Control Unit Module ECU
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2074407613
Mercedes-Benz E-Class W207 Cabrio A207 Centre Console Divider Wiring Harness
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2649001200-4
Mercedes W177 A35 AMG 306HP 260.920 4Matic Engine ECU Control Unit A2649001200
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2075453840
Mercedes-Benz E W207 Cabrio A207 Exhaust BlueTec Control Unit Module Bracket
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A1679008406
Mercedes W167 W177 W247 Ignition Engine Control Unit Module A1679008406
Promo price
€170.95
€145.31
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2139003022
Door Module Mercedes W205 W213 X253 Rear Right Door Control Unit A2139003022
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2139002722
Door Module Mercedes W205 W213 X253 Rear Left Door Control Unit A2139002722
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2059007037
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2059007037
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A9079005303
Mercedes Sprinter W907 W910 Control Unit Module ECU A9079005303
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A9078209400
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit A9078209400
Promo price
€104.95
€89.21
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2711500391-7
Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A9079051202
Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2139002817
Mercedes W177 W205 C257 Radar Sensor Front Control Unit Module A2139002817
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 8589948
BMW G20 G21 Positive Battery Cable Wiring Loom 8589948
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2741501802
Mercedes W213 Engine Wiring Harness Cable Loom A2741501802
Promo price
€180.95
€108.57
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2115450301-1
Mercedes S211 W211 W219 Fuse Distribution Box Unit A2115453901
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2139008430
Mercedes W910 Gearbox Control Module A2139008430
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A9079006906
Mercedes Sprinter W907 W910 Ignition Lock Control Unit Module ECU A9079006906
Promo price
€199.95
€119.97
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A1669005412
Mercedes W166 Door Module Rear Left N/S Control Unit ECU A1669005412
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2078201089
Mercedes W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201089
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A0009062822-1
Mercedes W207 W212 W906 Engine Diesel 200A 14V Alternator Generator LRA03818
Promo price
€104.95
€89.21
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A1765400103
Battery Cable Mercedes C117 W176 Starter Alternator Wiring Harness A1765400103
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0035421819
Mercedes C205 Fuse Box Relay Control Unit Module A0035421819
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2389058501
Antenna Mercedes A205 Convertible Telephone Antenna Module A2389058501
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2049006009
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009
Promo price
€137.95
€82.77
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A4475406777
Alternator Wire Mercedes Vito W447 Battery Alternator Cable A4475406777
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A1331510745
Mercedes C117 CLA 45 AMG Heat Shield Alternator Plate Petrol M133 A1331510745
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2059067200-1
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2059003740
Mercedes A205 Convertible Comfort Control Unit Module A2059003740
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2389009000
Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2229009519-1
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
Promo price
€564.95
€338.97
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0035455005
Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. RHD-A1669005212
Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A1669063901
Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A1669009311
SAM Module Mercedes ML W166 Center Electrics Control Modul A1669009311
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A1669003712
Mercedes ML W166 SAM Module Control Unit ECU A1669003712
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A1729060005
Mercedes R172 Rear SAM Fuse Relay Box A1729060005
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A1725408705
Mercedes R172 Electrical Wiring Harness Cable Window Regulator A1725408705
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2059001240
Mercedes GLC 220d X253 Air Conditioning Climat A/C Control Module A2059001240
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A9075406849
Mercedes Sprinter W907 Ground Line Battery Earth Cable Wire A9075406849
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2059007615
Module Mercedes W205 Air Conditioning Control Module A2059007615
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A9075404687
Mercedes W907 Battery Cable Alternator Wiring Loom Harness Cabling A9075404687
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
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
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A9079004807
Air Module Mercedes W907 W910 Control Unit ECU A2139008828
Promo price
€137.95
€117.26
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A9079051602
Mercedes W907 Aerial Antenna Amplifier Control Unit Module A9079051602
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A9075407312
Mercedes W907 Battery Fuse Box Positive Distribution Terminal A2479061803
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2059000828
Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A9079009304
Mercedes Sprinter W907 Radar Sensor Distance Active Brake System A9079009304
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2469000717
Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469000717
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2469064201
Antenna Amplifier Mercedes X117 W176 W205 Rear Aerial Module A2469064201
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2709002100-4
Mercedes X117 CLA 45 AMG 4-Matic M133.980 Engine Control ECU Kit A2709002100
Promo price
€507.95
€304.77
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A9075406749
Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2054400534
Mercedes C205 Bumper PDC Wiring Loom Rear Parking Sensor A2054400534
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2781506020
Cable Beam Mercedes W166 W212 W221 Engine Wiring Harness Loom A2781506020
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A9075400500
Mercedes W907 Battery Cable Wiring Loom Harness Cabling A9075400500
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A6229001000
Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000
Promo price
€393.95
€236.37
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2469008813
Module Mercedes W176 A45 AMG M133 4matic All Wheel Drive Control A2469008813
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A4209003305
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305
Promo price
€222.95
€133.77
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A9079003207
Mercedes W907 Air Suspension Level Control Unit Module Airmatic A9079003207
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2139008530
Mercedes W213 W447 Transmission Gearbox Control Unit Module ECU A2139008530
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A9075409482
Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2535401001
Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A6519007500-11
Mercedes W204 C 200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A9079004105
Air Module Mercedes Sprinter W907 W910 Control Module ECU A9079004105
Promo price
€85.95
€73.06
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0005463704
Mercedes C118 Positive Pole Battery Insulating Cap Cover Trim A0005463704
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2059005222
Seat Module Mercedes W205 W253 Memory Control Unit Passenger's Side A2059005222
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2059005122
Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2469005312
Mercedes X117 X156 W246 Relay Control Unit Module A2469005312
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A1669005417
Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2239053002
Mercedes Vito W447 Aerial Antenna Amplifier Control Unit Module A2239053002
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A4479053905
Mercedes W447 Aerial Antenna Amplifier Control Unit Module A4479053905
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A2709002100-1
Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
Promo price
€332.95
€199.77
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2059008118
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008118
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2115456532
SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2518701889
Antenna Amplifier Mercedes W164 W251 Aerial Control Unit Module A2518701889
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2118705026
Passenger Seat Module Mercedes W164 W203 W211 Memory Control Unit A2118705026
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. A1725402513
Mercedes SLK R172 Rear Window Heating Cable Loom Heat Wiring Harness A1725402513
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2118209626
Mercedes W211 W219 Alarm Control Module Unit ECU A2118209626
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2711501920
Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711501920
Promo price
€132.95
€113.01
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6541400155
Mercedes-Benz W213 Genuine Gas Filter Pressure Line Sensor Dpf A6541400155
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2229000013
Door Module Mercedes W205 X253 Front Door Right O/S Control Unit A2229000013
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2118702626
Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118702626
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2761508800
Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2059005713
Door Module Mercedes W205 Front Left N/S Door Control Module Unit A2059005713
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2059006013
Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059006013
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A9079053907
Mercedes Sprinter W907 W910 Battery Sensor Cable Negative Terminal A9079053907
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2198200226
Door Module Mercedes C219 Rear Door Left N/S Control Module A2198200226
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 .