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. 9312768
BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2056105402
Mercedes W205 Battery Recess Trunk Floor Battery Box Base Plate A2056105402
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6H52-18C808-BD
Land Rover Freelander II Audio Amplifier Control Module 6H52-18C808-BD
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A4479053905
Mercedes W447 Aerial Antenna Amplifier Control Unit Module A4479053905
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2035407408
Mercedes-Benz C W203 Rear Left Right Door Wiring Loom Harness A2035407308
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2045402610
Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9257426
Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9381113
Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 9381113
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8K0907401-1
Audi A5 8T 3.0TDI CAPA Quattro 240HP Engine ECU Kit Ignition 8K0907401 + Key
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 2Q0980653G
Audi Q2 GA Front Camera Module Lane Assist Control Unit 2Q0980653G
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8506375-3
BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + Key
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9231283-IBB
PDC Parking Sensor BMW X5 E70 F10 Ultrasonic Sensor Imperial Blue A899231283
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4E0907280B
Audi A8 4E S8 D3 Power Supply Control Module Unit ECU 4E0907280B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8K0915181L
Audi A1 8X Negative Battery Terminal 8K0915181L
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 504092575
Iveco Daily 3 Electrical Wire Earth Cable Battery Power Wiring 504092575
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0045454140
Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8570659
Wiring BMW X3 F25 N47N Engine Automatic Gearbox Module Wiring Harness 8570659
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 1357210
DAF 85CF 85.430 XF 315M Starter Motor 1357210
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 1432237
BMW 3 5 7 Z3 Z4 X5 Series E38 E39 E46 E53 Climate Comprresor Supporting Bracket
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 3Q0959354A
Seat Leon Mk3 Door Crash Impact Sensor Front Left Right N/O/S 3Q0959354A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9878658
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9878658
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8058634
Engine Wiring BMW X3 M F97 X4 M F98 Loom Harness Ignition Module 8058634
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2218201875
Mercedes W221 Aerial Antenna Control Unit Keyless Go Entry Module A2218201875
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 8721882
BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8721882
€522.95
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-40%
Part no. A1669003208
Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
Part no. 8617709
BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709
€113.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8T0959795J
Audi A5 8T Rear Door Module Control Unit Module ECU Left Right N/O/S 8T0959795J
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2218705087
Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6949382
BMW E65 E66 Rear Door Wiring Harness Loom Cable 6949382
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9238195
Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 7578020-7
BMW E60 E90 LCI 325i 525i N53 218HP Engine Control Unit ECU DME 7578020 Manual
€436.95
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2139002817
Mercedes W177 W205 C257 Radar Sensor Front Control Unit Module A2139002817
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9171984
BMW E60 E61 E63 E64 LCI Control Unit Lane Departure Warning Module ECU 9171984
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2059007218-2
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A1779002510
Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9134482
BMW 1 Series E87 ECU Body Control Module Unit L2 PL2 JBBFE 9134482
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6928267
BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A0009827723
Fuse Relay Mercedes W176 W204 W246 4-Pin Unit Black Hella A0009827723
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6940432
Mini Cooper R50 R53 Adapter Lead With Diode EHPAS Cable Wiring 6940432
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0009059300
Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2118703185
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2129008825
Mercedes C204 Fuse Box Control Unit SAM Module Relay A2129008825
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8V0035736
Audi A3 8V Music Interface Multimedia Connection Module 8V0035736
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8798189-1
Basic Head Unit BMW F45 X1 F48 Mini F55 F56 Sat Navigation Radio Stereo 8798189
Promo price
€218.95
€186.11
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7555188
BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8R0915181
Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A1695406409
Mercedes W169 W245 Battery Earth Negative Cable Wiring Loom A1695406409
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9218381-1
BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7634061
BMW F10 Engine Transmission Module Cable Loom Wiring Harness 7634061
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 03L903017E
Audi A4 B8 A5 8T Q5 8R Quattro Alternator Generator 2.0 TDI 03L903017
€56.95
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9225182
Rear Bumper Antenna BMW E93 E93N LCI Aerial Telephone 6970701
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9207416
BMW X6 E71 Map Card Fuse Box Grouping Diagram 9207416
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8625072
Wiring Loom Mini Cooper F55 F56 Harness Injection Valve Ignition 8625072
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7801711-1
BMW X3 E83 2.0d M47N2 Engine Control Unit Module ECU DDE 7801711 Manual
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 9438731
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9438731
€151.95
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6800903-2
Mini R50 R52 R53 Steering Wheel Horn Switch Left Right N/O/S Set 6800903
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9149673
BMW 5 Series E60 E61 LCI Alarm System Unit Ultra Sonic Module 9149673
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9298962
BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9360371
BMW X6 F16 Fuse Relay Box Control Unit Power Distribution 9360371
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 46858322
Peugeot Boxer II Citroen Relay III Fuse Box Control Unit Module 46858322
€284.95
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8585380-1
BMW F30 330d F32 430d N57N 258HP Control Unit ECU Kit DDE 8585380 FEM Key
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6851284
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284
Promo price
€156.95
€133.41
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9803029180
Peugeot Partner Citroen Berlingo Mk2 Wiring Cable Loom Diesel Engine 9803029180
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8X0959793F
Audi A1 8X Front Door Module Unit Control Driver's Side Right O/S 8X0959793F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-40%
Part no. LHD-HC-8613-R56
LHD-HC-8613-R56
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 4L0971104S
Audi Q7 4L Rear Bumper Wiring Loom PDC Harness Parking Sensor 4L0971104
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8476016
Battery Cable BMW X3 G01 X4 G02 Diesel Alternator Starter Positive Cable 8476016
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8590045
BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A4479052505
Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit A4479052505
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2049005015
Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1729006609-2
Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
Promo price
€151.95
€129.16
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8W0907159J
Audi A4 B9 A5 F5 Impact Sound Actuator Control Module 8W0907159J
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4L0971225D
Audi Q7 4L Positive Battery Terminal Cable 4L0971225D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8J0057186JX
Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186J
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
Part no. A9065450003-1
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 1K0906093G
Audi A1 8X VW Seat Skoda Fuel Pump Control Unit Module 1K0906093G
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7786372
BMW X5 E53 3.0d M57 Earth Cable Battery Cable 7786372 12427786372
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2128270228-PAL
Mercedes W212 Aerial Fin Roof Antenna Shark Palladium Silver - 792 A2128270228
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2479003808
Suspension Module Mercedes C118 W177 W247 Control Unit ECU A2479003808
Promo price
€151.95
€91.17
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 6850424
BMW X3 F25 ICM Air Module Control Unit SRS ECU 6850424
€61.95
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 5A656B7
BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A656B7
Promo price
€180.95
€153.81
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A4475402231
Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8604258
Mini Cooper R56 Positive Battery Cable Alternator Lead 8604258
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7574294
Mini Cooper S R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7574294
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2035409213
Mercedes W203 Door Wiring Harness Front Left Right N/O/S Wiring Loom A2035409213
Promo price
€27.95
€26.55
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2038219551-2
Mercedes CL203 Rear Roof Alarm Motion Sensor Control Unit Module A2038219551
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9291964
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 3414469
BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9339274
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9811783
Mini Cooper Paceman R61 Wiring Loom Harness Front Cable 9811783
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7581848-1
BMW E81 E87 LCI E90 116i 316i N45N ECU Kit DME CAS3 + Key 7581848
Promo price
€455.95
€273.57
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A4475406453
Battery Cable Mercedes Vito W447 Diesel OM651 Alternator Wiring A4475406453
Promo price
€37.95
€32.26
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 .