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. A2535400901
Starter Cable Mercedes W205 GLC X253 M274 Electrical Wiring Harness A2535400901
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A0009003713
Mercedes W205 Tyre Pressure Control Module Unit A0009003713
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2129004307
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129004307
Promo price
€80.95
€68.81
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2225403150
Fuse Box Mercedes W205 Front Passenger Side Footwell Fuse Box A2225403150
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A1175401205
Mercedes C117 Drivers Door Wiring Harness A1175401205
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2218702993
Mercedes CL W216 W221 Air Module Control Unit A2218702993
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-15%
Part no. A0009002308
Mercedes W447 W906 Adblue Module Exhaust Gas Control Unit ECU A0009002308
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2215407710
Mercedes W221 Battery Negative Terminal Cable Wiring Wire A2215407710
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2189006806
Mercedes W207 Harman Control Unit Module Amplifier Premium Sound A2189006806
Promo price
€631.95
€379.17
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2513200158-1
Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A0038201926
Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2059004113
Mercedes S205 Display Screen Multimedia Navigation Sat Head Unit A2059004113
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2075404207
Mercedes W204 M276 NOX Sensor Adapter Right O/S Harness Wiring Cable A2075404207
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A0045425218
Mercedes W221 Blind Spot Radar Sensor Module Control Unit A0045425218
Promo price
€208.95
€177.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2128208826
Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A1729006503
Mercedes SLK R172 Roadster Folding Roof Module Vario Control Unit A1729006503
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2535405429
Mercedes C253 OM656 Diesel Engine Motor Wiring Loom Cable Harness A2535405429
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2319003706
Mercedes R231 Control Unit Module Passenger Seat A2319003706
Promo price
€127.95
€76.77
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2075401650-1
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2055408104
Battery Cable Mercedes W205 X253 Diesel OM651 Alternator Wiring A2055408104
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2139004625
Mercedes W213 C238 C253 C257 Air Module Control ECU Sensor A2139004625
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A6399003200
Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A0009055700
Mercedes W639 Brake Yaw Rate Sensor ECU A0009055700
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2129018508
Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2075404107
Mercedes W204 M276 NOX Sensor Adapter Left N/S Harness Wiring Cable A2075404107
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A2124400414
Mercedes C207 W207 W212 Fuel Pump Module Diesel Control Unit ECU A2124400414
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A1669051702
Mercedes-Benz A C M W166 W176 W205 Aerial Antenna Amplifier Unit A1669051702
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A9065450003
Fuse Cover Mercedes Sprinter W906 Box Trim Panel Lid Grey A6395450003
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2059002011
Mercedes W205 Rear Door Control Module Unit Right O/S ECU A2059002011
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2058201201
Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2749003900
Mercedes Vito W447 Electronic Control Unit Module ECU A2749003900
Promo price
€137.95
€82.77
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. RHD-A1664404337
Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337
Promo price
€85.95
€51.57
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A1765450000
Mercedes-Benz A-Class W176 Bluetooth Unit Module Bracket Holder A1765450000
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2535400701
Mercedes A238 M276 Engine Alternator Wiring Loom Harness A2535400701
Promo price
€61.95
€52.66
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A6397600104
Bowden Cable Mercedes W639 Vito Door Handle Catch Top Rear Left Wire A6397600104
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A6519007500-1
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2049005205
Mercedes W204 Dashboard Stereo Display Screen Sat Nav Multimedia A2049005205
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2059001611
Mercedes W205 Door Module Front Right O/S Control Unit ECU A2059001611
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A1635408905
Mercedes-Benz M-Class ML W163 Rear Axle Brake Wiring Loom Harness A1635408905
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2535402128
Mercedes X253 Starter Motor Wiring Harness Cable A2535402128
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A0005459712
Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A2218705089
Mercedes W221 Audio Amplifier Sound Harman Becker Control Unit A2218705089
€949.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A2129006709-1
Mercedes C207 W212 Head Unit High Line Radio Sat Nav DVD Bluetooth A2129006709
€99.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2469012504
Mercedes W176 W246 Rain Sensor Light Control Unit Front Windscreen A2469012504
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2118705526
Mercedes W219 Motorola Telephone Control Module DC UHI MOST A2118705526
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2139002210
Mercedes-Benz W176 W205 W207 W213 Bluetooth Control Unit Module ECU A2139002210
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A1645400762
Mercedes W164 W211 C219 Tyre Pressure Monitor Control Unit Module A1645400762
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

Part no. A2125406905
Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2218708285
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708285
Promo price
€560.95
€476.81
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A2469016002-1
Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
€80.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A0045454140
Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A6395480174
Mercedes-Benz Vito W639 Fuse Box Cooling Outlet Pipe Air Duct A6395480174
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2139008530
Mercedes W213 W447 Transmission Gearbox Control Unit Module ECU A2139008530
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A1668200689
Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2711535391-2
Mercedes R171 SLK 200K 184HP M271.944 Engine ECU Kit A2711535391 Key Lock
Promo price
€275.95
€234.56
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A0005400502
Mercedes W212 W221 W447 W906 Adblue Injector Wiring Cable Loom A0005400502
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2469004313
Gearbox Module Mercedes W176 Automatic Transmission Unit ECU A2469004313
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2049057501
Mercedes W204 W212 Dashboard Light Sun Solar Sensor Unit A2049057501
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2049004106
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049004106
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A0009008709
Mercedes W213 Tyre Pressure Control Module Unit A0009008709
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2044404732
Mercedes W204 Estate PDC Wiring Rear Bumper Parking Sensor Cable A2044404732
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2661538479-1
Mercedes W169 A150 Petrol M266.920 95HP Engine ECU Kit A2661538479 Automatic
Promo price
€180.95
€108.57
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A2125406105
Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2079058802
Roof Antenna Mercedes W204 W212 Shark Aerial Antenna Cable Harness A2079058802
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2469000012-2
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
Promo price
€170.95
€145.31
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. A1729060105
Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729060105
Promo price
€89.95
€53.97
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A1695408033
Mercedes-Benz A W169 Front Driver's Side Door Wiring Loom Harness A1695408033
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A0009007607
Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2469067100-1
Mercedes W176 W246 C117 Fuse Relay Box Unit Cables Wiring Loom A2469067100
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-40%
Part no. A1779005509
Door Module Mercedes C118 W177 H243 Rear Left N/S Door Control A1779005509
Promo price
€70.95
€42.57
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A2124401851
Mercedes W212 Door Wiring Loom Cable Rear Left Right N/O/S A2124401851
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2044402607
Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2049009410
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
Promo price
€61.95
€52.66
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. A2125406505
Mercedes W212 Door Wire Wiring Loom Front Right O/S A2125406505
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2128208726
Mercedes W212 Door Module Rear Left N/S Control Unit ECU A2128208726
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2035450301
Mercedes-Benz C CLK Class W203 W209 Battery Terminal Fuse Box A2035450301
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A6519000601-1
Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
Promo price
€284.95
€242.21
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2055400182
Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A0001594942
Mercedes-Benz C-Class W203 M111 Ignition Coil Cable Connector A0001594942
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2048702789
Aerial Antenna Amplifier Mercedes W204 Estate Left N/S Booster Unit A2048702789
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A1776203400
Mercedes W177 W247 Battery Bracket Mount Holder Support A1776265300
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2469002603-1
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-40%
Part no. A2479009312
Mercedes W910 Telematics Module Communication Blutooth Control A2479009312
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A1669061202
Mercedes W221 Fuse Box Control Unit Module Relay A1669061202
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2129000204
Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A2319052600
Mercedes R172 Security Alarm Interior Protection Sensor Module Unit A2319052600
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. A2118200885
Mercedes W211 S211 Bluetooth Control Unit Module ECU A2118200885
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. A1775401910
Mercedes W177 Door Wiring Rear Door Left N/S Module Harness Cables A1775401910
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
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 .