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

Part no. A6519007500-26
Mercedes W204 W212 C220CDI 170HP OM651.911 Engine Control ECU A6519007500 Manual
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2049005503
Mercedes C207 Complete Damper Adjustment Control Module ECU A2049005503
Promo price
€70.95
€42.57
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2055400428
Battery Wiring Mercedes GLC X253 C253 Diesel OM651 Starter Cable A2055400428
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2229002014
Mercedes X253 Door Module Rear Right Control Unit A2229002014
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A4475401440
Mercedes Vito W447 Fuse Box Relay Control Unit Module A4475401440
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1729007600
Seat Module Mercedes W204 Front Right O/S Memory Control Unit A1729007600
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2465400335
Mercedes W176 W246 Negative Earth Cable Battery Terminal Wiring A2465400335
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1779008511
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779008511
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A0005457616
Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A0045450201-1
Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A9075402605
Mercedes W907 Fuse Box Control Unit Module Q2 A9075402605
Promo price
€61.95
€37.17
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2218707385
Mercedes W221 Rear DVD Entertainment System Video Player Unit A2218707385
Promo price
€370.95
€222.57
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2139004119
Module Mercedes W205 Drivetrain Gearbox Control Module Unit A2139004119
Promo price
€104.95
€62.97
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2129004414
Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129004414
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2139008822
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2129010700
Mercedes W212 ECU Control Unit Sensor Module Airbag A2129010700
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2139058101
Mercedes C118 C253 Rear Bumper Switch Sensor Module A2139058101
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0045450405
Mercedes W169 W203 W639 W906 Relay 5-Pins Green Control Unit 12V A0045450405
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A4159007503
Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R
Promo price
€237.95
€142.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2034400033-2
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2045420323
PDC Display Mercedes W204 Front Parking Sensor Screen Control Unit A2045420323
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6397600204
Bowden Cable Mercedes W639 Door Handle Catch Top Rear Right O/S Wire A6397600204
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2539000100
Rain Light Sensor Mercedes X253 Windschield Sensor Module Unit A2539000100
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2229001814
Door Module Mercedes W205 X253 Rear Left N/S Control Unit A1698209126
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2025402373
Mercedes W169 W203 W204 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2118205885
Mercedes E-Class S-Class W211 W220 Nokia Phone Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0009056001
Battery Cable Mercedes W213 S213 Negative Lead Wiring Harness A0009056001
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A9079009304
Mercedes Sprinter W907 Radar Sensor Distance Active Brake System A9079009304
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2113231126
Mercedes-Benz E Class W211 Front Left Anti Roll Bar Clamp Bracket A2113231126
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2129004114
Door Module Mercedes W204 W212 Rear Left N/S Control Unit A2129004114
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2479008607
SAM Module Mercedes W177 W247 Front SAM Body Comfort Control Unit A2479008607
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2049007508
Mercedes W204 Display Screen Monitor Radio Sat Nav Navigation Unit A2049007508
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2135400329
Mercedes X253 Electrical Wiring Harness Cable Hybrid A2135400329
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2135405542
Mercedes W205 Electrical Wire From Transmission To Body Ground Cable A2135405542
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2709002100-1
Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
Promo price
€332.95
€199.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2128300008
Fan Blower Mercedes W212 Comand Navi CD Control Unit Module Cooler A2128300008
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2038219751-1
Mercedes-Benz C-Class W203 Alarm Sensor Module Unit A2038219751
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2479001416
Mercedes CLA C118 W177 W247 4matic AWD Module Control Unit A2479001416
€89.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2215401101
Mercedes W221 Fuse Box Control Unit SAM Module Relay Controller A2215401101
€142.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2056186100
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186100
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2135402870
Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2218101817-1
Mercedes W221 Headlining Interior Mirror Rear Left Right N/O/S A2218101817
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2059005222
Seat Module Mercedes W205 W253 Memory Control Unit Passenger's Side A2059005222
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A1679008309
Mercedes W177 W247 Telematics Module Communication Control Unit A1679008309
€42.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. rhd-A1185407902
Mercedes C118 Front Door Left Right N/O/S Electrical Wiring Harness A1185407902
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2059007134
Mercedes C205 Sam Control Module Body Comfort ECU A2059007134
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A1679007012
Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2055400555
Mercedes W205 Door Electrical Wiring Harness Front Left N/S A2055400555
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A9075406849
Mercedes Sprinter W907 Ground Line Battery Earth Cable Wire A9075406849
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2134400200
Mercedes GLC 300e X253 Electric Drive Ground Earth Line Wire A2134400200
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2215450801
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
€227.95
€136.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2038209489
Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6395407809
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6395407809
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0009001704
Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
Promo price
€80.95
€68.81
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2135451140
ECU Bracket Mercedes W213 Control Unit Module Holder Mount A2135451140
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2124407952
Battery Cable Mercedes W212 W218 Negative Lead Terminal Harness A2124407952
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2055403103
Alternator Starter Wiring Harness Mercedes W205 GLC C253 OM651 A2055403103
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A0009067902
Mercedes W204 S204 C204 Alternator Generator 150A 14V 1.8 Petrol A0009067902
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2129004718
Door Module Mercedes W212 Front Right Control Unit Module A2129004718
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2168204726
Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2034450000
Mercedes Vito W639 Gateway Control Unit Module A2034450000
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2139007105
Air Module Mercedes W213 S213 W238 SRS Control Unit ECU A2139007105
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2115452647
Bracket Mount Mercedes W211 W219 Control Unit Module SAM Holder A2115452647
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1697220180
Mercedes-Benz A-Class W169 Door Plug Cover Trim Insert Blank Seal A1697220180
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2229005118
Mercedes W205 Ambient Color Light Module ECU A2229005118
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2129004518
Door Control Unit Mercedes W204 W207 W212 Front Left N/S Module ECU A2129004518
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A9075407160
Mercedes W907 W910 Battery Electrical Wiring Harness Ground Line A9075407160
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A6519007500-13
Mercedes W212 E250 CDI 651.924 204HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
€313.95
€188.37
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2048210651
Mercedes W204 Air Module Impact Crash Sensor Door A2048210651
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2239052400
Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2229004320
Telematics Module Mercedes C238 Communication Blutooth Control A2229004320
Promo price
€51.95
€31.17
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2135406200
Fuse Box Mercedes W213 S213 W238 Rear Electrical Control Unit Module A2135406200
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 0390203255
Seat Adjustment Motor Mercedes W221 Front Seat Motor Actuator 0390203255
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0051513901
Kompressor Mercedes W203 W211 M271 Petrol Engine Starter Motor A0051513901
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2079011800
Mercedes W204 W207 Control Unit ECU Sensor Module Air SRS Bag A2079011800
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2128203785
Door Module Mercedes W204 W212 Front Right O/S Control Unit VST A2128203785
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2129004014
Mercedes W204 W212 Front Door Module Control Unit Module Left N/S A2129004014
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1645460261
Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A0009055103
Distance Radar Module Mercedes W176 W207 W212 Front Distronic Unit A0009055103
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2125403005
Mercedes W212 M271 Wiring Battery Alternator Starter Harness Cable A2125403005
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2189009003
Mercedes CLS C218 Front Headlight Xenon Ballast Control Module Unit A2189009003
Promo price
€66.95
€56.91
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A6519064300
Mercedes W205 Diesel OM651 Engine Starter Motor Actuator Bosch A6519064300
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1679004511
Door Module Mercedes W205 W213 C253 Rear Left N/S Control Unit ECU A1679004511
Promo price
€61.95
€52.66
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A6394460132
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460132
Promo price
€284.95
€170.97
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2059007123
Mercedes W176 W212 W246 Telematics Communication Control Unit Module A2059007123
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1729007500
Mercedes W204 Seat Module Memory Control Unit Front Left N/S A1729007500
Promo price
€51.95
€31.17
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2059004021
Mercedes W205 GLC X253 Door Module Control Unit Front Left N/S A2059004021
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2044406135
Mercedes W204 Door Harness Loom Cable Wiring Rear Right O/S A2044406135
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2215408335
Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215408335
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A1669003407
Mercedes W176 W204 Digital Audio DAB Receiver Control Unit Module A1669003407
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1729003406
Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406
Promo price
€80.95
€48.57
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0045468540
Mercedes W221 Distributor Box Block Control Unit Relay A0045468540
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2044405935
Mercedes W204 Door Card Harness Loom Cable Wiring Front Left N/S A2044405935
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1698702710
Mercedes-Benz A B Class W169 W245 Tow Protection ECO Switch Button Unit Module
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2479003216
Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216
Promo price
€474.95
€284.97
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0009828223-1
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
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 .