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. 9313618
BMW 3 Series F30 F31 F80 M3 Front Rear Right O/S Wiring Loom Harness Cables Set
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9267085
Antenna Amplifier BMW F01 F10 F13 Aeral Diversity 868 MHZ Control Unit 9267085
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8509105
BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2139068701
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00
-40%
Part no. A1669008606
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
Promo price
€85.95
€51.57
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4F0910655Q
Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 7515253
Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A6519007401-3
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
€189.95
€161.46
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9210861
BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2218703086
Mercedes W221 Seat Module Front Right O/S Memory Control Unit A2218703086
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6916058
Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6916058
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 9354289
BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289
Promo price
€104.95
€89.21
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A9075406749
Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9380885
BMW 1 3 4 F20 F30 F32 Control Unit Air Conditioning A/C Module 9380885
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2129001529
Mercedes-Benz C E Class W204 W207 W212 Front Left Door N/S Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8636064
Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064
Promo price
€85.95
€73.06
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0051517401
Starter Motor Mercedes W169 W245 Diesel Engine A0051517401
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8506281
BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A4475401440
Mercedes Vito W447 Fuse Box Relay Control Unit Module A4475401440
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009820112
Mercedes W177 W207 Power Energy Distribution Unit Module A0009820112
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0025421419-1
Relay Mercedes W163 W169 W203 W210 Relay Unit 5-Pin Yellow Tyco A0025421419
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8376506
BMW Mini Cooper One R50 Power Folding Wing Mirror Module ECU Control 8376506
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 81A035502
Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0009001017
Mercedes S205 W205 Air Conditioning Control Module A/C ECU Unit A0009001017
Promo price
€33.95
€28.86
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2189000104
Mercedes CLS X218 Parktronic PDC Parking Assist Control Module A2189000104
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6861026
BMW I01 F45 F46 Mini F55 F56 Parking Assistant PDC Control Unit Module 6861026
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6935597
Parking Sensor BMW E81 E87 E90 E91 PDC Front Rear Titansilber Silver - 354
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 6866990
Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0038201926
Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2475400600
Mercedes W177 Rear Axle Wheel RPM Speed Right Sensor Wire Harness A2475400600
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2139009406
Mercedes W213 Display Screen Information Navigation Dashboard A2139009406
€66.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8T0919603C
Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
€47.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9383181
BMW F20 F21 F22 F30 F31 F32 F36 Fuse Box Body Module Control Unit FEM 9383181
Promo price
€123.95
€74.37
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6964139
BMW 7 Series E65 E66 E67 Front Control Unit Door Passenger Side 6964139
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 1489995
Mini Cooper R50 R52 R53 Starter Motor W10 1.6 Petrol Engine 1489995
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2049006003
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049006003
Promo price
€218.95
€186.11
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6967184
BMW X5 X6 Series E70 E71 Positive Battery Cable Terminal Box Base B+ 6967184
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6962783
Mini Cooper One R50 Cable Harness Wiring Loom Door Front Left N/S 6962783
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1645400350
Mercedes-Benz M-Class ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9459673
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747
Promo price
€61.95
€37.17
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9125237
CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9125237
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2059008826
Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 6927548
BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9315151
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1669008009
Mercedes GLE W166 Rear Door Wiring Control Module Right O/S Unit ECU A1669008009
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 03L906018JG
Audi A5 8F 2.0 TDI CGLC 177HP Diesel Engine Control Unit ECU 03L906018JG Manual
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9149836
Seat Control Unit BMW X5 E70 E87 E90 Module ECU Electronic Module 9149836
Promo price
€47.95
€28.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6968652
BMW 3 Series E93 E93N LCI Aerial Antenna AM / FM Right O/S 6968652
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2469003114
Transmission Module Mercedes W176 W246 Control Unit ECU A2469003114
Promo price
€42.95
€36.51
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-2
BMW E92 E92N LCI PDC Wiring Loom Harness Rear Bumper
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 6929950
BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 7525822
BMW E90 E92 E93 Driveshaft Output Drive Shaft Right O/S Petrol 7525822
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8507893
BMW 1 2 3 Series F20 F21 F22 F30 F31 N47N Wiring Loom Harness Engine 8507893
Promo price
€47.95
€40.76
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8517727
Mini Cooper D R60 N47N Engine Control Unit ECU 8517727 Manual
Product currently unavailable
-15%
Part no. A2229067403
Mercedes W177 W247 M260 Exhaust Control Valve Flap Actuator Drive A2229067403
Promo price
€170.95
€145.31
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8635815
BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 7638322-2
Mini One R56 LCI N16 98HP Engine ECU Kit DME 7638322 + CAS3 + Key Automatic
Product currently unavailable
-40%
Part no. 7848469
BMW F80 M3 F82 F83 M4 Wiring Harness Engine Gearbox Module 7848469
Promo price
€94.95
€56.97
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9299335
BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9299335
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 2751265-7
Cable Wiring Mini R55 R56 Headlight Lamp Front Left N/S Plug Socket 6913653
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8507924
Gearbox Wiring BMW F20 F30 125d 325d N47S1 Engine Loom Harness Cables 8507924
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8671504-1
Starter BMW G20 G21 G30 G32GT G01 G05 Starter Motor Valeo 8671504
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009008004
Parking Module Mercedes W207 W212 PDC Distance Control Unit ECU A0009008004
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4H0907637K
Audi A8L 4H Yaw Rate Domain Control Module Unit ECU 4H0907637K
€222.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9159795
BMW X5 X6 E70 E71 Control Unit Air Module Bag ECU Unit Bosch 9159795
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8379375
BMW X5 E53 Loudspeaker Loud Speaker Tweeter Front 65138379375 8379375
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 7520902
BMW 3 5 E60 E90 E92 Carrier Bracket Holder Engine Control Module Unit 7520902
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8574351
BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual
Promo price
€94.95
€80.71
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7446712
BMW F23 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7446712
€142.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8573257-6
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8573257 Automatic
Promo price
€89.95
€76.46
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6972611
BMW 5 Series E60 E61 Wiring Rear Left Right Door Cable Harness N/O/S 6982362
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6G9T-14B192-AA
Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 5Q0959651B
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651B
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9267456
Control Unit BMW F10 F11 Body Module ECU JBBFE IIIR V2 PL6 ECU 9267456
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 7316536
BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 7212916
Mini R57 Cabrio Convertible Wiring Set Loom Harness PDC Rear Bumper 7212916
Promo price
€66.95
€40.17
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 7809999-2
BMW X3 E83 LCI 2.0d N47 Engine ECU Kit DDE 7809999 + EWS IV + Key Automatic
Promo price
€284.95
€170.97
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 6866986
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6866986
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A6519007500-4
Mercedes W204 C250 CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€108.95
€65.37
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 6911908
On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 6911908
Promo price
€85.95
€51.57
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 5A02F94
PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
Promo price
€51.95
€44.16
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9803844-4
Aerial Roof Antenna Mini Cooper Countryman R58 R60 R61 Base Module 9803844
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0009001810
Windshield Camera Mercedes W166 R172 Driver Assist Front Camera A0009001810
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9283526
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283526
€189.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2044401005
Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9159310
BMW F10 Central Sensor LOW 9159310
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
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-5%
Part no. 6906347-1
BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 9474776
KaFAS Camera BMW F10 F20 LCI F30 Mini F55 F56 Control Unit ECU Module 9474776
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8K0907063M
Audi A4 B8 A5 8T Body Control Comfort Unit Module Unit ECU 8K0907063M
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8W0906093G
Audi A4 B9 A5 F5 Petrol Engine Fuel Pump Control Unit Module 8W0906093G
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8589907
Supply Module BMW F40 F48 Mini F55 F56 F57 Integrated Z11 Control Unit 8589907
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9267200-1
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9230944
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9230944
€79.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A6396890279
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890279
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
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 .