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
-15%
Part no. A2048205189
Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2139005613
Mercedes W213 Front Door Module Right O/S Control Unit A2139005613
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2188201926
Mercedes CLS C218 Bi-Xenon Headlight Ballast Module Control Unit A2188201926
Promo price
€89.95
€76.46
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0009004434
Mercedes W177 W247 Telematics Bluetooth Module Control Unit ECU A0009004434
Promo price
€142.95
€121.51
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0025421119
Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A1638201126
Mercedes ML W163 Windscreen Rain Light Sensor Control Module A1638201126
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2034400033
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0009007604
Adblue Module Mercedes W205 W213 W177 W907 SCR Control Unit EGR ECU A0009007604
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2535407830
Mercedes C253 AMG Rear Bumper PDC Wiring Parking Sensor Loom Harness A2535407830
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2048708026
Mercedes W204 Media Interface Control Unit Module ECU A2048708026
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2118700526
Driver Seat Module Mercedes R171 W203 W211 Memory Control Unit A2118700526
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2059007218-2
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2465407632
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407632
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2038700326
Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2128204185
Mercedes W204 W212 Door Module Control Unit Module Rear Right O/S A2128204185
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A6229000500
Mercedes W447 OM622.951 Engine Control Unit Module ECU Kit A6229000500 Manual
Promo price
€227.95
€136.77
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2129005812
Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
Promo price
€75.95
€45.57
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2129003414
Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414
Promo price
€132.95
€113.01
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2579005100
Mercedes Sprinter W907 Telematics Services Communication Module A2579005100
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A0038207926
Door Module Mercedes W221 Door Control Unit Module A0038207926
Promo price
€70.95
€42.57
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2218210197
Mercedes W221 Cover Wiring Cable Front Door Protection Seal Sleeve A2218210197
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2469008115
Mercedes W176 W246 Gearbox Transfer Case Control Module Unit ECU A2469008115
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2075402013
Door Cable Mercedes W212 Wiring Loom Front Left Right Door N/O/S A2075402013
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2139005223
SAM Module Mercedes W213 C238 Control Unit Front ECU A2139005223
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1729058200
Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2229001414
Module Mercedes C205 Front Door Left N/S Control Module Unit A2229001414
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2059009230
Air Conditioning Module Mercedes W205 C253 A/C Control Unit ECU A2059009230
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1645400350
Mercedes-Benz M-Class ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2198202426
Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0015454416
Mercedes CL203 M271 Automatic Gearbox EGS Control Module Unit ECU A0015454416
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1645400350-1
Mercedes ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2218205375-CS
Mercedes CLK S Class C209 W209 W221 Roof Antenna Shark Radio Silver A2218205375
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A2229002109
Mercedes W205 W222 Door Module Control Unit Rear Right O/S A2229002109
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1179005800
Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800
Promo price
€85.95
€73.06
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2198203526
Mercedes CLS W219 Door Module Rear Left N/S Control Unit A2198203526
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 237104376R
Mercedes Citan W415 109 CDI OM607.951 Engine Control Unit ECU 237104376R Manual
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A6394405109
Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A2229001909
Mercedes W205 W222 Door Module Front Right O/S Control Unit ECU A2229001909
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2124405933
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2124405933
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2046801231
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0055461240
Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1648209385
Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A2215408445
Mercedes W221 Radar Distronic Adaptive Cruise Control Sensor A2215408445
€379.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1698209226
Door Control Module Mercedes W169 W245 Relay Unit Right Rear O/S A1698209226
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2479001709
Mercedes W907 Radio Control Unit ECU Module A2479001709
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1698203185
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698203185
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0009061505
Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1179006000
Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A2075406010-1
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
€66.95
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A0009061705
Mercedes W205 C63 Petrol Engine 14V 200A Alternator Generator Unit A0009061705
€113.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2129005327
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327
Promo price
€277.95
€236.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0065424220
Mercedes W164 W251 High Tone Horn Signal Right O/S A0065424220
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0065422618
ESP Sensor Mercedes W166 Electronic Yaw Rate Sensor Module A0065422618
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2465453740
Mercedes-Benz A B Class W176 W246 Rear Fuel Pump Control Unit Bracket Holder
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2465400340-2
Mercedes W176 Fuse Relay Box Control Unit A2465400340 A2465400140
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A2229002009
Mercedes W205 W222 Door Module Control Unit Rear Left N/S A2229002009
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2045420623
Mercedes W204 Warning Device Parktronic Display Rear Sound Signal A2045420623
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2125406462
Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A4475402105
Mercedes Vito W447 Battery Cable Starter Alternator Wiring Harness A4475402105
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2048207885
Mercedes-Benz C-Class W204 Rear Right Door O/S Control Unit Module A2048207885
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A0025422619-2
Mercedes ML W163 Relay 4-Pin Grey Tyco Set Kit A0025422619
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2139068701-1
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068701
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
Promo price
€66.95
€56.91
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1669002700
Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
Promo price
€51.95
€44.16
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A9075401805
Mercedes Sprinter W907 Battery Terminal Unit Connection Box A9075401805
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A9108805600
Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2049060205-1
Mercedes C204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2129006012
Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2129006012
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2038201485
Mercedes W203 Door Control Module Front Right O/S A2038201485
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2044407441
Earth Ground Cable Mercedes W204 W207 W212 W218 Battery Wiring Loom A2044407441
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A1669003208
Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208
Promo price
€142.95
€85.77
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2079010100
Air Module Mercedes W207 C207 Coupe Control Unit ECU A2079010100 5WK43967
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2055402850
C205 Fuse Box Mercedes C205 Electrical Interior Relay Fuse Socket Control A2055402850
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0035423019
Power Relay Control Mercedes W176 W246 Module 4 Pin 12V 20A A0035423019
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2048704426
Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2075400740
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A6519007401-6
Mercedes SLK R172 250CDI 651.980 204HP Engine ECU Kit Ignition + Key A6519007401
Promo price
€189.95
€113.97
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2649000700-2
Mercedes W205 C 200 264915 264.915 184HP Engine ECU Module A2649000700 Automatic
Promo price
€246.95
€148.17
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1648208289
Mercedes ML W164 Radio CD Player Audio Stereo Head Unit A1648208289
Promo price
€85.95
€73.06
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A6398201689
Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689
Promo price
€284.95
€170.97
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A0009827723
Fuse Relay Mercedes W176 W204 W246 4-Pin Unit Black Hella A0009827723
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1031550435
Mercedes W124 M103 Bracket Alternator Mount Holder Support A1031550435
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1775409357
Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A6399003000
Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00
-15%
Part no. A6519007401-3
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
€189.95
€161.46
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A0009004434-2
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
Promo price
€142.95
€85.77
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0028202426
Mercedes W211 Xenon Headlight Level Control Module A0028202426
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
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 .