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. 9154413-1
BMW E93 LCI Convertible GPS Antenna Aerial Unit Module 9154413
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 1K0937086S
Seat Altea 5P1 Body Control Comfort Unit Module BCM 1K0937086S
€70.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 03L906018BP
Skoda Yeti Mk1 2.0 TDI 110HP CFHA Engine Control Unit ECU Kit 03L906018HJ Manual
€132.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. FR3T-18808-DB
Ford Mustang GT Mk6 Rear Parcel Shelf Speaker Left Right N/O/S FR3T-18808-DB
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 0AM911023B
Volkswagen Scirocco Mk3 Starter Motor DSG Gearbox 1.4 TSI CAVD 0AM911023B
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 99761826500
Porsche Cayman 987C Tilt Alarm Control Unit Module 99761826500
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8509757-1
BMW F07 530d F01 730d N57 245HP Engine ECU Kit DDE 8509757 CAS4 Key Automatic
Promo price
€237.95
€142.77
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9289580
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen CID 8,8" 9289580
Promo price
€113.95
€96.86
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. BK2T14A175CA
Ford Transit Custom MK8 Fuse Relay Box Control Unit Module BK2T-14A175-CA
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 0AD927755BG
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BG
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A1648702726
Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8W1907064BC
Audi A4 B9 Body Control Module BCM Comfort Control Unit Power Supply 8W1907064BC
€104.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9354228
Mini Cooper F56 Rain Light Turn On Sensor Unit 9354228
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A1179001801
Mercedes W176 Air Module System Control Unit Module ECU A1179001801
Promo price
€85.95
€73.06
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 02T911023S
Starter Motor Seat Ibiza 6J VW Volkswagen Polo 6R 1.2 Petrol Engine 02T911023S
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8574095-2
BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8574095 Key Lock FEM Manual
Promo price
€227.95
€136.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 070903327C
Volkswagen Touareg Transporter 2.5TDI Alternator Coupling Sleeve Belt 070903327C
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5E0971095DP
Skoda Octavia Mk3 Front Bumper Wiring Harness Loom Cable 5E0971095DF
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 3Q0959655R
Seat Leon Mk3 5F Air Module Control Unit Sensor ECU 3Q0959655R
€85.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9232896
Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9232896
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1698209226
Door Control Module Mercedes W169 W245 Relay Unit Right Rear O/S A1698209226
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2129060105
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129060105
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7549284
BMW 1 3 Series E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A9425426040
Mercedes Sprinter W906 Fuse Box Relay Carrier Holder Bracket A9425426040
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2118703485
Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703485
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9805533-1
Mini R60 Rear PDC Parking Sensor Royal Grey Metallic - A48 9805533 SET x2
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8636596
BMW 1 3 Series F20 F21 F30 F31 Line Cable Power Distribution Module 8636596
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2741504704
Mercedes X253 Engine Wiring Harness Line Supply Line A2741504704
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 04L907309K-1
Audi Q3 8U 2.0 TDI Quattro Engine ECU Kit 04L907309K Ignition + Key
Promo price
€161.95
€97.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6863433
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6863433
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2048205189
Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2118206185
Mercedes E S Class W211 W220 Telephone Hands Free Control Module A2118206185
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9177978
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9177978
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 5DV-008-290-00
Mercedes W211 Xenon Headlight Level Control Module 5DV 008 290-00
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8506199-2
BMW E60 E61 LCI 520d N47 Diesel Engine ECU Kit DDE CAS3 + Key 8506199
Promo price
€284.95
€170.97
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2479003808
Suspension Module Mercedes C118 W177 W247 Control Unit ECU A2479003808
Promo price
€123.95
€74.37
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7LA971411E
VW Volkswagen Transporter T6 Power Steering Oil Sensor Wiring Harness 7LA971411E
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2229001408
Module Mercedes S205 Trunk Rear Tuner Digital Radio DAB Control Unit A2229001408
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. LR040553
Range Rover L405 Alternator Generator Wiring Loom Link CK5210C307CD
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9343304
BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8516739-6
Mini SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8516739 + CAS3 + Key, Manual
Promo price
€227.95
€136.77
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8586540-5
BMW F30 F32 LCI 330d 430d N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key
Promo price
€398.95
€239.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 5Q0959595M
Audi Q2 GA Front Door Module Control Unit Controller Passenger Side 5Q0959595M
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2059007037
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2059007037
Promo price
€66.95
€40.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1648203085
Mercedes ML W164 Window Windscreen Rain Light Sensor A1648203085
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 3415414
BMW Mini Cooper One R56 Aerial Antenna Amplifier Diversity Module 3415414
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8781328
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 8781328
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7164820-2
BMW E88 E93 Convertible Rollover Bar Protection System Sensor Unit Module 800137
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9227172
BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172
Promo price
€146.95
€88.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4F0903291
Audi A6 C6 3.0 TDI Suppression Condenser Noise Filter 4F0903291
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6951855
BMW 6 E64 E64N LCI Convertible Suppression Filter Aerial Module Antenna 6951855
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7541084
Mini Cooper Cabrio R52 Battery Cable Plus Pole 7541084
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 46858322
Peugeot Boxer II Citroen Relay III Fuse Box Control Unit Module 46858322
€284.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8631833
Mini R55 R56 R57 LCI R60 Automatic Gearbox Basic Control Unit EGS 7356237
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9365833
Business Navigation BMW F20 F21 F30 F31 Sat Nav Head Unit Player 9365833
Promo price
€66.95
€40.17
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4M0941828H
Audi Q7 4M Fuse Box Battery Terminal Cover Housing 4M0941828H
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8J0035456
Audi S5 8T Antenna Amplifier Aerial Control Module Unit ECU 8J0035456
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9221861
BMW E90 E91 E93 LCI Front Left Right N/O/S Seat Control Module ECU 9221861
Promo price
€66.95
€56.91
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9352861
FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861
Promo price
€142.95
€121.51
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2129003922
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A6519062300
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A6519062300
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 4H0959107AC
Audi A8 4D Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AC
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4H0919275-SDA
Skoda Octavia 1Z PDC Parking Sensor 4H0919275 Anthracite Grey Metallic - F8J
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2721503933
Engine Wiring Mercedes C209 272960 Petrol Module Loom Harness Cables A2721503933
Promo price
€123.95
€74.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7350697-2
BMW X1 F48 Rear Light Lamp Trunk Tailgate Left N/S Loom Harness Wiring 7350697
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4H0907658B
Audi A3 8V A5 A6 A7 Air Quality Sensor Unit 4H0907658B
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 5Q0937086BK-1
Volkswagen Golf Sportsvan Body Control Comfort Unit Module BCM Unit 5Q0937086BK
Promo price
€80.95
€48.57
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2215408445
Mercedes W221 Radar Distronic Adaptive Cruise Control Sensor A2215408445
Promo price
€379.95
€227.97
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6949229-1
2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7LA971794A
Volkswagen Transporter T6 Starter Motor Wiring Harness Cable Earth 7LA971794A
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 4H0907468AC
Audi A8L 4H Gateway Control Module Unit 4H0907468AC
Promo price
€137.95
€82.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2128204185
Mercedes W204 W212 Door Module Control Unit Module Rear Right O/S A2128204185
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5K0035730
Seat Ibiza MK4 VW Golf MK6 Bluetooth Interface Control Module Unit 5K0035730
€47.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9139895
BMW F20 F21 F30 F31 Mini F56 Navigation Head Unit Basic Media Player 9139895
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A1775408312
Door Wiring Mercedes W177 W247 Driver Side Cable Harness Loom A1775408312
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7311541
BMW 2 Series F22 F87 M2 Rear Third Stoplamp Stop Lamp Brake Light White 7311541
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A6394409909
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6394409909
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8K0907064KB
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064KB
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8506444
BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Control Unit DDE 8506444 Manual
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7806779-1
MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A4475406777
Alternator Wire Mercedes Vito W447 Battery Alternator Cable A4475406777
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0465456628
Mercedes W203 W204 W218 Front Seat Wiring Loom Plug Connector A0465456628
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 1K0907530P
Audi A3 8P Gateway Module Diagnostic Interface Control Unit ECU 1K0907530P
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4F0919129C
Audi A8 D4 A6 C6 TV Tuner Digital Video Control Module 4F0919129C
€51.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8P4971036J
Audi A3 8P Front Left N/S Door Harness Cable Loom 8P4971036J
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9205476
BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
Promo price
€85.95
€51.57
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 3U0941597A
Seat Ibiza 6J Relay Black Control Unit 7 Pin 12V 3U0941597A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9287441
BMW F21 F22 F23 Wiring Loom Harness Passenger Side 9287441
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9348411
BMW X3 F25 Hifi System Audio Sound Amplifier AMP Module Unit 9348411
Promo price
€108.95
€65.37
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 04L907309R-3
Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual
€132.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2055401542
Mercedes W205 Rear Door Harness Wiring Cable Left Right N/O/S A2055401542
€61.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A6519003403-1
Mercedes W906 314 CDI OM651 Engine Module ECU Kit A6519003403 Automatic
Promo price
€474.95
€284.97
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7542310-7
Mini Cooper R50 W10 Petrol Engine Control Unit Module ECU DME 7542310 Manual
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9253209
BMW E81 E87 LCI E90 E91 N43 DC/DC Wandler Torque Converter Module ECU 9253209
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. BK2V14301FB
Ford Transit Custom Mk8 Negative Battery Cable Wire Terminal BK2V14301FB
€66.95
Free delivery: Feb 17 – 20
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 .