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. A2469009312-1
Mercedes W176 Radio Stereo Head Unit Media Player Navigation A2469009312
Promo price
€104.95
€89.21
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A4479001118
Mercedes W447 Front Air Module Control Unit ECU A4479001118
Promo price
€488.95
€293.37
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2229055804
Mercedes CLA C117 W176 W205 Aerial Antenna Amplifier Unit A2229055804
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2045451047
Control Unit Bracket Mercedes W204 W212 Audio Module Holder Mount A2045451047
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2215408045
TPM Module Mercedes W221 S500 C216 Tire Pressure System Module RDK A2215408045
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2129060605-1
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
€85.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2229009915
Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2661534079
Mercedes W169 A170 266.940 116HP Engine Control Unit ECU A2661534079 Automatic
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2469004512
Mercedes-Benz A M Class W166 W176 Parking Brake Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0005465402
Mercedes C117 W176 W246 Positive Battery Terminal Cover Cap Trim Red A0005465402
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1695403905
Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Rear Left Right
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A6519065700
Mercedes W907 314 CDI Engine Alternator Generator Valeo A6519065700
Promo price
€161.95
€97.17
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
Promo price
€99.95
€84.96
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2465410005
Mercedes W176 W246 Battery Cover Fuse Box Trim Panel Lid A2465410005
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A6421509777-1
Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic
€265.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1765405408
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A6519007600-5
Mercedes W176 A180 CDI OM651.901 109HP Engine Unit ECU Kit A6519007600 Automatic
€208.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2711500391-12
Mercedes W204 C207 W212 M271.820 156HP Engine ECU Kit A2711500391 Automatic
€398.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A6461501077-2
Mercedes Vito W639 OM646.980 116HP Engine ECU Control Set A6461501077 Manual
€450.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1648205685
Air Module Mercedes ML W164 W251 SRS Control Unit ECU A1648205685
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1185402504
Mercedes C118 Door Harness Rear Left N/S Door Wiring Loom A1185402504
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2105400230
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105400230
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0035420219-1
Relay Mercedes W639 W906 5-Pin Black 12V 20A A0035420219 Set X2
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2135452040
Mercedes W213 Head Unit Bracket Control Unit Module Holder Mount A2135452040
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0009005517
Mercedes W177 W205 W238 W257 Gearbox Control Unit Module ECU A0009005517
Promo price
€113.95
€96.86
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2229001306
Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0009008004
Parking Module Mercedes W207 W212 PDC Distance Control Unit ECU A0009008004
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1669004002
Door Module Mercedes C117 W176 W246 Front Left N/S Control Unit A1669004002
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2048702626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048702626
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A1665404802
Mercedes W166 Front Seat Headrest Wiring Cable Harness A1665404802
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1695420018-HBL
Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2469004519
Gearbox Module Mercedes W176 W246 Control Unit ECU Automatic A2469004519
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2478207502
Mercedes C118 W177 W243 W247 Centre Console Dual USB-C Socket Ports A2478207502
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6395406209
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406209
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A6401508334-1
Engine Control Unit Mercedes W245 B200 CDI OM640.941 140HP ECU A6401508334
Promo price
€104.95
€62.97
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2474703702
Mercedes W177 W247 Solenoid Valve Line Pipe Hose Starter A2474703702
Promo price
€42.95
€25.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. B67824524
Mercedes W164 Media Interface Connection Cable MI AUX Wiring B67824524
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1568200089
Mercedes W176 W246 Tailgate Aerial Antenna Amplifier Unit A1568200089
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2044401705
Mercedes S204 Door Wiring Loom Cable Rear Left Right N/O/S A2044401705
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2129003508
Mercedes W207 W906 Fuel Pump Control Unit Module ECU A2129003508
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6511590246
Wiring Cable Cover Mercedes W204 W212 W906 OM651 Engine Duct Bracket A6511590246
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2098209610
Mercedes CLK W209 Convertible Alarm Anti Theft System Control Unit A2098209610
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0009821923-1
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relays Set A0009821923
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A1718204326
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326
€332.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1665400180
Mercedes W166 Fuse Box Relay Cover Shield Cap Trim A1665400180
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2535400601
Mercedes X253 Starter Motor Wiring Harness Cable A2535400601
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A6519005301-7
Mercedes W204 C250CDI 204HP OM651.911 Engine ECU Kit A6519005301 Automatic
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1775403131
Mercedes w177 Sensor Wiring Harness Cable Front A1775403131
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0045468440
Mercedes W177 Power Distributor Connector Plug Unit A0045468440
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0035421619-1
Mercedes W177 Relay 052 Fuse Box Relay Slot B D E 70A Tyco SET X2 A0035421619
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2469009212
Mercedes X117 Tailgate Boot Control Rear Module Unit A2469009212
Promo price
€80.95
€48.57
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2188701489
Mercedes W218 Audio Amplifier Harman Kardon Subwoofer Control Unit A2188701489
€56.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1729003106
Mercedes SLC R172 Parktronic Parking Sensor Module Unit ECU A1729003106
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A0009058100
Mercedes ML W166 GL X166 SL R231 C292 Crash Impact Sensor A0009058100
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1725420023
Mercedes W176 W204 W246 Front Parking Sensor Display Control PDC A1725420023
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2519062200-1
Mercedes W251 COMAND Navigation Head Unit Radio Sat Nav Screen A2519062200
Promo price
€332.95
€199.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A9067601304
Mercedes-Benz Sprinter W906 Front Right Door O/S Handle Bowden Pull Cable
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0038212751
Mercedes-Benz M S W221 ML W164 Airbag Impact Crash Sensor Door A0038212751
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2535401401
Mercedes X253 Battery Wiring Harness Cable Tray Clamp A2535401401
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1648205389
Mercedes ML W164 Aerial Antenna Amplifier Unit Module A1648205389
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6395406809
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406809
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1698702210
Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2219000804
Parking Module Mercedes W221 W216 Sensor PDC Distance Control Unit A2219000804
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2218705093
Mercedes W221 Door Control Module Unit ECU Rear Left Right N/O/S A2218705093
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2075409334
Mercedes-Benz E-Class W207 Cabrio A207 Battery Ground Cable Wiring Mass Lead
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0025450601
Mercedes W906 Fuse Relay Box Module Control Unit A0025450601
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0009051600
Mercedes W207 W212 W221 Front Windscreen Windshield Camera A0009051600
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6395450203
Mercedes-Benz Vito W639 Fuse Box Cover Cap Trim A6395450203
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2129004910
Radio Head Unit Mercedes W212 CD Audio Player Head Control Unit A2129004910
Promo price
€118.95
€101.11
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A6429004201
Mercedes W221 BlueTec Exhaust Gas Aftertreatment Control Unit Module A6429004201
Promo price
€151.95
€91.17
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6395406509
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406509
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0005400764
Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2539008007
Mercedes X253 Rain And Light Sensor Control Unit Module ECU A2539008007
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2701590042
Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2059001811
Mercedes W205 Rear Door Control Module Unit Left N/S ECU A2059001811
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A9066800214
Mercedes Sprinter W906 Radio Fan Adapter Cooling Control Unit Module A9066800214
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1679001420
Central Locking Module Mercedes C118 W177 Door Lock Control Unit A1679001420
Promo price
€70.95
€42.57
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2469007018
Mercedes W176 W246 Display Screen Radio Navigation Sat Nav Unit A2469007018
Promo price
€108.95
€65.37
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2218208202
Mercedes W221 Front Centre Dashboard Tweeter Speaker A2218208202
Promo price
€33.95
€28.86
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A1645408101
SAM Control Module Mercedes W164 W251 Comfort Fuse Box Unit A1645408101
€237.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1695402733
Mercedes W169 W245 Cable Loom Wiring Parking Sensors Rear A1695402733
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2469008113
Mercedes GLE X156 4Matic Transfer Control Unit Module ECU A2469008113
Promo price
€61.95
€37.17
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A6399003701
Mercedes W639 Tire Tyre Pressure Control Module Unit A6399003701
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0035422319
Mercedes W176 W246 Relay Battery Decoupling 12V A0035422319
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2479004411
Mercedes V177 W247 Windshield Camera Driver Assists Front Camera A2479004411
Promo price
€61.95
€37.17
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2465403005
Mercedes W176 W245 Front Right Door Wiring Loom Harness A2465403005
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2124400706
Wiring Harness Mercedes W212 LED Lighting Air Nozzle Cable A2124400706
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2115460580
Wiring Holder Mercedes W211 Cable Loom Harness Cover Channel A2115460580
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1665459340
Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2465400950-1
Mercedes C117 W176 W246 Fuse Box Power Distribution Box A2465400950
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 .