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. A2229002921
Mercedes W205 W213 Head Unit Navigation Radio DAB High Control Unit A2229002921
€398.95
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A6269000000
Mercedes W205 C 200 d 626951 626.951 136HP Engine Unit ECU A6269000000 Automatic
€170.95
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 4G0907468AB
Audi A6 C7 Gateway Module Control Unit ECU 4G0907468AB
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. rhd-A0009052902
Mercedes W212 Negative Cable Battery Terminal Wiring A0009052902
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 5Q0959595M
Audi Q2 GA Front Door Module Control Unit Controller Passenger Side 5Q0959595M
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8517616
Earth Ground Cable BMW F10 N47N Diesel Battery Cable Engine Wiring 8517616
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0025421219
Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A1179008700
Mercedes GLA X156 Air Module Safety Belt Tensioner Unit Control A1179008700
Promo price
€94.95
€56.97
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A6421508900-6
Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic
€450.95
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 7L0959772D
VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D
€23.95
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-15%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
€237.95
€202.26
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2219005404
Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6938664
BMW E65 E66 Control Unit Front Centre Console Module 6938664
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8373901
BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 6824129
Inverter Wiring BMW F45 Mini F60 Hybrid High Voltage Battery Cable Loom 6824129
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9868383
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9868383
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8371312
BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2535401001
Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 9380945
Mini Cooper F55 F56 F60 HSD line HU - CID 9380945
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0025421519
Mercedes-Benz M-Class ML W163 Relay 4-Pin Black Hella A0025421519
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2048207885
Mercedes-Benz C-Class W204 Rear Right Door O/S Control Unit Module A2048207885
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9361654
Radio Player Mini F55 F56 CD Bluetooth DAB Control Unit Module 9361654
Promo price
€118.95
€101.11
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8W0906259N-1
Audi A5 F5 45 TFSI DKNA 245HP Quattro Engine ECU Kit 8W0906259N Gateway + Key
Promo price
€351.95
€211.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9200944
BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9200944
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0005456916
Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
Promo price
€27.95
€26.55
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A6519007401
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine Module ECU A6519007401
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 575035736A
Seat Ibiza FR Double USB C Charging Port Socket Connection 575035736A
€32.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2115454840
Mercedes E-Class S211 W211 Battery Tray Holder Mounting Bracket A2115454840
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8638552
Supply Module BMW F90 M5 F91 M8 G05 G11 G30 Integrated Control Unit 8638552
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6968836
BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8621500
BMW F20 F21 F30 LCI Petrol N13 N20 Cable Alternator Starter Base B+ 8621500
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8K0959663D
Audi Q3 8U A3 8P A6 C7 Voltage Stabilizer Converter Control Module 8K0959663D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8Y0971693D
Audi S3 8Y Sportback Rear Door Wiring Harness Loom Left Right N/O/S 8Y0971693D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2198200326
Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9290014
BMW X3 F25 Light Module Control Footwell ECU Unit FRM3 9290014
Promo price
€108.95
€65.37
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 2753031
Mini Wiring Loom Harness Cable Plug Connector Socket Input 2753031
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2115400008
ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6928945
BMW X3 Series E83 E83 LCI B Terminal Point Luggage Compartment 6928945
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 04E971612BD
Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A1668200075
Mercedes W205 Aerial Antenna Control Unit Keyless Go Entry A1668200075
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8644475
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8644475 12638644475
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. KV6T-11000-BC
Ford Transit Connect Starter Motor Engine 1.5 TDCI Diesel KV6T-11000-BC
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9287265
BMW F10 M5 Active Sound Unit Control Module Design Amplifier 9287265
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6842527
BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 03E906023Q
Skoda Fabia 5J 1.2 CGPA 69HP Engine Control Unit ECU Kit 03E906023Q Manual
€94.95
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1031550435
Mercedes W124 M103 Bracket Alternator Mount Holder Support A1031550435
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1695406945
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715405145
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8K0907539
Audi A5 S5 8T Dashboard Sunlight Solar Sun Sensor 8K0907539
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8U0907468G
Audi Q3 8U Gateway Interface Control Module Unit ECU 8U0907468G
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9308292
BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9259326
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2535405429
Mercedes C253 OM656 Diesel Engine Motor Wiring Loom Cable Harness A2535405429
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8652443
BMW F45 Wiring Harness Motor Sensor System Module 8652443
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8K0907064FF
Audi A4 S4 B8 Body Control Comfort Unit Module BCM2 Unit ECU 8K0907064FF
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
Part no. A1644400837
Mercedes W164 Parking Sensor Wiring Loom Cable Harness Front PDC A1644400837
€80.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2125400382
Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2038202285
Mercedes-Benz C-Class W203 Door Control Module Right Rear O/S A2038202285
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8594487
BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2034400033
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 3449505
Mini Cooper One R55 R56 Fuse Distribution Box Cover Trim Cap 3449505
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8T0959795H
Audi A4 B8 Door Control Module Unit ECU Rear Left Right N/O/S 8T0959795H
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7556880
Engine Wiring BMW Z4 E85 E86 Petrol N52 Loom Harness Module Manual 7556880
Promo price
€227.95
€136.77
Free delivery - Mon, Oct 13
If paid before 14:00
Part no. A2055455100
Mercedes W205 W213 C238 Power Distribution Unit Busbar Connector A2055455100
€37.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 240801846R
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240801846R
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 191937503
VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. H2862N-P
Mini R56 R57 R58 R60 Display Screen 9 inch Android Surround Panel H2862N-P
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6963023
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1175401205
Mercedes C117 Drivers Door Wiring Harness A1175401205
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8617722
Wiring Harness BMW F48 Mini F55 F56 B38 Petrol Engine Servotronic Module 8617722
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6799083
Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6799083
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8507912
BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 7641652
Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2219050018-1
Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-5%
Part no. A1669006507
Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A0131545602
Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
€94.95
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2319009106
Door Module Mercedes R231 Front Door Right O/S Control Module A2319009106
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2208203226
Seat Heating Sensor Mercedes W209 W211 W220 Left N/S Control Unit A2208203226
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6C11-3C190-AB
Ford Transit MK7 Yaw Sensor ESP Rotation Rate Control Unit Module 6C11-3C190-AB
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9319918
Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9319433
Mini R61 Sat Navi Stereo Radio Audio Head Unit Player 9319433
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9394665
BMW F10 Footwell Light Module Control Unit ECU 9394665
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9266383
Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7515197
BMW Mini Cooper One R50 W10 Battery Cable Plus Pole 7515197
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8571349
BMW F20 F21 F30 LCI F22 F32 G30 X3 F25 Starter Acoustic Vibration Plug 8571349
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7534921-1
BMW 3 X3 Z4 Series E46 E83 E85 Engine Control Unit Box Bottom Part 7534921
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2034404913
Mercedes-Benz CLC CL203 Rear Tailgate Boot Lid Wiring Harness Loom A2034404913
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9360357-1
Door Wiring Mini F55 F56 R60 Rear Right Left N/O/S Harness Loom Cable 9360357
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 1472984-1
Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A2319014702
Mercedes R231 Air Module Control Unit ECU SRS Module A2319014702
€284.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8K0971845A
AUDI A5 8T 2.0 TDI CGLC Fuse Relay Box Power Distribution 8K0971845A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6982348
BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9141048
BMW E60 E87 E90 E91 Hands-Free Electronics Charging MULF2 9141048
Promo price
€71.95
€43.17
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 4H0035061J
Audi A8L 4H Head Unit Radio CD Player Navigation GPS 4H0035061J
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 14
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 .