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. 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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2049009004
Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A2125400382
Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1669000318
Mercedes-Benz A B Class W176 W246 Front Left N/S Door Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2123200358
Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2465401950
Battery Base Mercedes C117 W176 W246 Power Fuse Relay Box A2465401950
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2079011700
Airbag Module Mercedes W204 W207 Air Bag SRS Control Unit ECU A2079011700
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2469000012
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
Promo price
€80.95
€68.81
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2049006003
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049006003
Promo price
€218.95
€186.11
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2129006518
Door Module Mercedes W204 W207 W212 Front Right O/S Control Unit A2129006518
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2465400308
Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2465402610
Mercedes-Benz A B W176 W246 160 180 CDI Alternator Cable Loom Wire A2465402610
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1569007702
Signal Actuation Module Mercedes W176 W246 SAM Control Unit ECU A1569007702
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A6512012009
Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2059008304
Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A9065400041
Mercedes Sprinter W906 Battery Cable Negative Lead Wiring Harness A9065400041
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0045467740
Mercedes W447 Drive Train Sensor Can Distributor A0045467740
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2139008430
Mercedes W910 Gearbox Control Module A2139008430
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2118700110
Mercedes W219 Hood Bonnet Light Solar Sensor Module A2118700110
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
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
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1715400506
Mercedes SLK R171 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1715400506
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2129003614
Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129003614
Promo price
€118.95
€101.11
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A9069006503
Door Module Mercedes W906 Front Left Right N/O/S Control Unit ECU A9069006503
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2218707526
Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2035409213
Mercedes W203 Door Wiring Harness Front Left Right N/O/S Wiring Loom A2035409213
Promo price
€27.95
€26.55
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0045423518
Mercedes ML W164 W204 W211 CLS C219 Acceleration Sensor Module Unit A0045423518
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 307873750AA
Mercedes W176 Steering Wheel Wiring Loom Harness 307873750AA
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2075403332
Convertible Cable Mercedes A207 C207 Roof Rail Wiring Harness A2075403332
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1765405508
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405508
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0009822112
Energy Distributor Mercedes W205 W238 Power Control Unit Module A0009822112
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1635402333
Mercedes-Benz M ML W163 Centre Console Wiring Harness Cable Loom A1635402333
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1729002301
Mercedes SLK R172 Door Control Unit Module Front Left N/S A1729002301
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1699000200
Mercedes-Benz A B W169 W245 Front Right Door Control Unit Module A1699000200
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2218703086
Mercedes W221 Seat Module Front Right O/S Memory Control Unit A2218703086
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2079004400
Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2465400140
Mercedes-Benz A-Class W176 Equipment Electrical Cover Fuse Box A2465400140
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2079052800
Mercedes-Benz E-Class W207 Cabrio A207 Anti Theft Alarm Module Control Unit ECU
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2465452840
Mercedes-Benz A B W176 W246 Control Module Housing Bracket Mount A2465452840
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A0015453116
Mercedes W211 Automatic Gearbox Transmission Module Control Unit A0015453116
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1668210151
Impact Sensor Mercedes W166 W176 W246 Crash Sensor A1668210151
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2129009622
Mercedes W212 Fuse Box Relay Rear SAM Control Unit Module A2129009622
Promo price
€51.95
€31.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A6395400044
Mercedes Vito W639 Anti Theft Alarm Switch Loom Cable A6395400044
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2098209810
Mercedes CLK A209 Cabrio Alarm Anti Theft System Control Module Unit A2098209810
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1698207326
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2199001100
Mercedes W219 Head Unit CD Player Navigation COMAND Radio Audio Unit A2199001100
Promo price
€379.95
€227.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1779000304
Airbag Module Mercedes V177 W177 C118 Air Bag SRS Control Unit ECU A1779000304
Promo price
€33.95
€28.86
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2118203375
Antenna Booster Mercedes W211 Rear Boot Lid Tailgate Amplifier A2118203375
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A9079000304
Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0038208426
Crash Sensor Mercedes ML W164 W221 Front Rear Impact Airbag Unit A0038208426
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2218201811-2
Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0015467435
Battery Cover Mercedes W906 Battery Positive Pole Cover Red A0015467435
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A9078200301
Mercedes W907 Radio Professional System Controller Head Unit A9078200301
Promo price
€180.95
€153.81
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2079013700
Mercedes-Benz E-Class W207 Windscreen Windshield Rain Sensor Control Unit
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0009820912
Mercedes W176 W222 W246 Voltage Converter Power Distributor Fuse A0009820912
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A1775405520
Mercedes W177 Front Door Harness Loom Cable Wiring Left Right N/O/S A1775405520
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2055404596
Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A2215460935
Mercedes W221 W216 Fuse Box Cover Control Unit Trim Panel Lid A2215460935
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A0009061004
Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2129000217
Mercedes W212 Radio Head Unit Navi CD Player Control Unit A2129000217
Promo price
€256.95
€218.41
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2048702126
Mercedes W204 Door Module Control Unit Module Front Right O/S A2048702126
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1665402350
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2139001722
Mercedes W213 W907 Transmission Gearbox Control Unit Module ECU A2139001722
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2048701826
Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2045405609
Video Wiring Cable Mercedes W204 Video Unit Harness Cable Wire A2045405609
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A6429002900-6
Mercedes C207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
€132.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2229005914
Mercedes W205 Rear SAM Module Control Unit A2229005914
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1715400107
Mercedes SLK R171 Window Lifter Lift Switch Cable Wiring Harness A1715400107
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2909003001
Mercedes C238 E53 4matic Transfer Case Torque Distribution Control ECU
Promo price
€379.95
€227.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2205404208
Mercedes W220 Rear PDC Parking Sensor Wiring Loom A2205404208
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-15%
Part no. A2045400708
Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2215450801-1
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
€227.95
€136.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1698207526
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Rear A1698207526
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0365457032
Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2124404851
Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2218702286
Mercedes W221 Front Seat Heater Control Unit Module ECU A2218702286
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0015423723
Mercedes A E Class W169 W211 Parking Sensor Display Control PDC A0015423723
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A9069006303-1
Mercedes W906 Fuse Box SAM Module Control Unit ZGS Temic A9069006303
€89.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1698207426
Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Rear A1698207426
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2048701226
Mercedes S204 Door Module Rear Right O/S Control Unit ECU A2048701226
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1698201585
Mercedes W245 ECU Control Unit Sensor Air Module A1698201585
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2059008218
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008218
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A0025451201
Mercedes W169 W245 W906 Fuse Box Carrier A0025451201
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1695451440
Mercedes W169 W245 Central Gateway Module Bracket Holder Mount A1695451440
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2059007218
Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A1729008500-3
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0009054807
Mercedes W118 W177 W206 W247 NOX Sensor A0009054807
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2218705687
Mercedes W221 Linguatronic Control Module Unit ECU English Version A2218705687
Promo price
€85.95
€51.57
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A1775401758
Mercedes W118 W177 W247 Starter Alternator Wiring Loom Harness Cable A1775401758
€80.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2048210197
Door Cable Guide Mercedes W204 Front Wiring Loom Harness Channel A2048210197
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2135401217
Mercedes W213 OM642 Diesel Engine Alternator Wiring Loom Harness A2135401217
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2048701126
Mercedes S204 Door Module Rear Left N/S Control Unit ECU A2048701126
Promo price
€32.95
€28.01
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 .