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
-5%
Part no. 7604347
BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A6269000000
Mercedes W205 C 200 d 626951 626.951 136HP Engine Unit ECU A6269000000 Automatic
Promo price
€170.95
€145.31
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A4709820700
Mercedes W470 Glow Plug Relay Module Unit A4709820700
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 2T1411000BC
Ford Transit Connect Starter Motor Engine Diesel 2T1411000BC
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€308.95
€185.37
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7599881-12
BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual
Promo price
€161.95
€97.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6915327
BMW E46 E39 E60 E81 E87 E90 E91 F10 F20 F30 Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2229005415
Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A2189000104
Mercedes CLS X218 Parktronic PDC Parking Assist Control Module A2189000104
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6820526
Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526
€142.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9805524-LW
Mini R60 Rear PDC Ultrasonic Parking Sensor Light White 9805524
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2479007708
Rain Sensor Mercedes C118 W177 W247 Front Windscreen Light Unit A2479007708
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A0009057302
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009057302
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3455305-1
2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3456478
Mini R58 Door Module Harness Wiring Loom Cable Set Driver's Side 3456478
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8Y0971085A
Audi S3 8Y Electric Front Bumper Wiring Harness PDC Loom Cable 8Y0971085A
€80.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. MB3T-14A411-SRC
VW Volkswagen Amarok NF Ford Ranger Cab Wiring Harness Loom MB3T14A411SRC
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 81A955555B
Rain Sensor Audi Q3 RSQ3 F3 Front Windscreen 81A955555B
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2118700726
Mercedes W211 Seat Memory Control Unit Module Front Right O/S A2118700726
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0015424723-1
Mercedes W204 W207 W221 Parking Sensor Display Control PDC A0015424723
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-5%
Part no. A2139004709
Mercedes W213 Door Module Rear Left N/S Control Unit A2139004709
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8580307
BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9149674
BMW 3 5 Series E60 E90 Portable DVD System Alarm Ultra Sonic Module Unit 6980090
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2439008400
Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8663284
BMW F20 F30 F31 LCI B38 ECU Basic DME Control Unit Automatic Gearbox 8663284
€313.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2058200704
Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5Q0959592L
Volkswagen Golf Mk8 Front Door Passenger Side Module Control Unit 5Q0959592L
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9124585-SED
BMW E87 E90 PDC Parking Sensors Ultrasonic Set x2 Sedonarot - A79 9124585
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 3Q0907530BB-1
Audi Q2 GA Central Gateway Control Unit Module Relay ECU 3Q0907530BB
Promo price
€99.95
€59.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9313616
BMW F30 F31 Driver's Side Door Wiring Electrical Loom Harness Cable 9313616
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9115107
BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9243781
BMW F12 F12 LCI Hi-Fi Audio System Amplifier Harman Becker 9243781
€165.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 197-299-00
BMW F20 F21 DRL Daytime Running Lights Led Module Control Unit PCB 197-299-00
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7L5971204
Porsche Cayenne 955 Washer Spray Nozzle Wiring Loom Cable 7L5971204
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3455305-2
3 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2059051106
Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2115406905
Mercedes CLS E Class W211 C219 Headlight Level Sensor Wiring Cable A2115406905
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9274276
BMW F07 Gran Tourismo Headlight Footwell Light Control Module FRMIII 9274276
Promo price
€51.95
€31.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6960219
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A6429060900
Mercedes W204 W207 W212 W221 Starter Motor A6429060900
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9861558-1
Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 9861558
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A9079020303
Mercedes Sprinter W907 W910 AIr Module Sensor Unit ECU A9079020303
Promo price
€161.95
€97.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2139004009
Mercedes W213 Door Module Front Left N/S Control Unit A2139004009
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A1699000100
Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9114342
Distance Control Sensor BMWE81 E87 E90 PDC Parking Sensor Montego Blue 9114342
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 2751444
Mini R56 DAB/IBOC Tuner Bracket Holder Mounting 2751444
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9124585-SED1
BMW E87 E90 PDC Parking Sensor Ultrasonic Set x4 Sedona Rot - A79
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7561834-14
BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
€517.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9192124
BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1775407932
Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3455306-2
4 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5F4971035H
Seat Leon Mk3 5F Door Wiring Loom Harness Front Driver's Side 5F4971035H
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2118210197
Mercedes E-Class W211 Rear Door Wiring Loom Harness Rubber Grommet A2118210197
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8D0951253
Audi Q7 4L Relay Unit Module 4 Pins 8D0951253
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2429007001
Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8K0959793H
Audi A4 B8 A5 8T Door Module Control Front Unit ECU 8K0959793H
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A9079001705
Mercedes Sprinter B907 Ignition Control Module Keyless A9079001705
Promo price
€123.95
€74.37
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6960308
BMW 1 Series E88 Convertible Rear Bumper FM Radio Aerial Antenna 6960308
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2189002002
Mercedes X218 CLS350 Automatic Trunk Lid Clossing Control Module A2189002002
Promo price
€85.95
€51.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9287530
BMW 1 Series F20 Control Unit Air Conditioning A/C Module 9287530
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5Q0907530AL
Audi A3 8V VW Golf 5G Central Gateway Control Unit Module Relay ECU 5Q0907530AL
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9286236
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8693213-1
BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic
Promo price
€740.95
€444.57
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. P1WT-19H517-AE
VW Volkswagen Amarok Mk2 Auto Brake Trailer Module Control Unit P1WT-19H517-AE
€123.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3455306-1
2 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 4F0971845A-2
Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0971845A
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9383681-1
Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 13275881
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 4L2035670J
Audi Q7 4L Head Unit Radio Player Navigation Control Module Alpine 4L2035670J
Promo price
€564.95
€338.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6C1T14B056AE-1
Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A6269060100
Starter Mercedes W205 Diesel OM626 Engine Starter Motor Bosch A6269060100
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2139001909
Mercedes W213 Ambient Lighting Control Unit Module ECU A2139001909
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9296975
BMW X5 F15 Control Unit Bracket Boot Trunk Module Unit Mount Holder 9296975
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1779002207
Mercedes W177 Rear Left Right N/O/S Door Control Module A1779002207
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7571142
Plus Cable Wiring Mini Cooper R55 R56 R57 Battery Lead Power Positive 7571142
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9255048
BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2535403700
Mercedes X253 Rear PDC Parking Aid Sensors Harness Wiring Loom Cable A2535403700
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2749000800-5
Mercedes W205 C200 274.920 184HP Engine ECU Kit A2749000800 Key Lock Automatic
Promo price
€251.95
€151.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7841705
BMW E60 M5 E63 E64 M6 V10 S85 Hall Sensor 7836160
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8802918
BMW F20 F30 Mini F55 F56 Radio Remote Control Receiver 434 MHZ 8802918
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 03L906018LA-1
Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA 2 Keys Ignition
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6772102
BMW X5 X6 E70 E71 Holder Bracket Actuator Unit 6772102
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9201980
BMW F01 F02 F07 F10 F11 F12 F13 G11 LCI Battery Power Dividing Element 9201980
€85.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0009002414
Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8380409
BMW X5 E53 Fuse Distribution Box Relay Board 6907395 8380409 6909721
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0009821012
Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A6519007703
Mercedes W906 Glow Plug Relay Module Unit A6519007703
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7621168
BMW F20 F21 F30 F31 Earth Cable Battery Engine N47N N13 7621168
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A2124406207
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124406207
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 93455416
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 93455416
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A1649005001
Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001
Promo price
€626.95
€376.17
Free delivery - Wed, Dec 31
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, 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 .