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. A0055461240
Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 06H971627
Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6943085
BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8494948
BMW F40 F44 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 8494948
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1648209385
Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9355462
BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
Promo price
€113.95
€68.37
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8617239
Gearbox Module Mini R55 R56 LCI R60 Automatic Transmission Unit EGS 8617239
Promo price
€56.95
€34.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9358302
Mini 1 2 3 Series F20 F21 F30 LCI F55 F56 Compensator LTE ECE 9358302
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 8Y0035465
Audi A3 8Y A4 B9 Q5 FY Harman Speaker Amplifier Booster Sound System 8Y0035465
€47.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9305712
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7426095
BMW F10 F20 F30 F32 Fuel Pump Control Module Unit 7426095
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 5Q0959592B
Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A2215408445
Mercedes W221 Radar Distronic Adaptive Cruise Control Sensor A2215408445
€379.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9153136
BMW F01 F02 F03 LCI Holder Bracket Control Telematics Unit 9153136
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7516404
BMW E60 Cable Starter Generator Alternator B+ Base Wire Harness 7516404
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9368383-1
BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9206056-TS
BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9290992
BMW F20 F21 F22 F30 F31 Radio Player CD Bluetooth Head Unit Control 9290992
Promo price
€113.95
€96.86
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 3452285
BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"
Promo price
€265.95
€226.06
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9279823
BMW F30 REM Rear Electronic Module Fuse Box Control 9279823
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2479001709
Mercedes W907 Radio Control Unit ECU Module A2479001709
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8606306
BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual
Promo price
€398.95
€239.37
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9247470
BMW E90 LCI Junction Box Body Control Module Unit 9247470
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8P0035503M
Audi A3 8P Bluetooth Antenna Module Control Unit 8P0035503M
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 3449417
BMW Mini Cooper R55 R55N R56 R56N LCi Ultra Sonic Module Alarm System 3449417
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9170732
BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9170732
Promo price
€384.95
€327.21
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9125224
BMW 1 3 SERIES E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9125224
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 03E971815A
Volkswagen Polo 6R Cover Wiring Loom Guide Bracket Trim 03E971815A
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1698203185
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698203185
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 1480790-1
Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9323554
BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9153137
BMW F01 F02 F03 Holder Bracket Control Unit Top Rear Side View 9153137
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
-5%
Part no. 4M0907247A
Keyless Entry Amplifier Audi A4 B9 A5 F5 Control Box Module Antenna 4M0907247A
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9291977
Mini Roadster R59 Cabrio Convertible Top Module CVM 61359291977 9291977
Promo price
€47.95
€28.77
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6946108
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 4H0959107AC
Audi A8 4D Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AC
€42.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A0009061505
Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7805349-2
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE EWS4 Key 7805349 Manual
Promo price
€303.95
€258.36
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9270356-2
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8806980
BMW i3 I01 LCI Door Wiring Cable Loom Harness Rear Left Right N/O/S 8806980
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8635813
Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7391043
BMW F10 X1 F48 Mini F54 Rear Tailgate Smart Opener Bottom Wire Sensor 7391043
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8494949
Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949
Promo price
€42.95
€36.51
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 7599881-12
BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual
Promo price
€161.95
€97.17
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8510592-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key 8510592
Promo price
€94.95
€56.97
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1179006000
Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 4H0907658B
Audi A3 8V A5 A6 A7 Air Quality Sensor Unit 4H09076588
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
Part no. A2075406010-1
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
€66.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A0009061705
Mercedes W205 C63 Petrol Engine 14V 200A Alternator Generator Unit A0009061705
€113.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8K0907801N
Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9350003-1
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8K0959792R
Audi Q5 8R Door Module Control Unit Front Passenger Side 8K0959792R
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A2229005118
Mercedes W205 Ambient Color Light Module ECU A2229005118
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9153135
BMW F01 F02 F03 Holder Bracket Control Unit Amplifier 9153135
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9240946
MINI R55 R56 R57 LCI R60 R61 Cover Power Distribution Fuse Box 9240946
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9350995
BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
Promo price
€75.95
€64.56
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€108.95
€92.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2129005327
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327
Promo price
€277.95
€236.26
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 7600564
Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136
Promo price
€47.95
€28.77
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0065424220
Mercedes W164 W251 High Tone Horn Signal Right O/S A0065424220
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0065422618
ESP Sensor Mercedes W166 Electronic Yaw Rate Sensor Module A0065422618
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2465453740
Mercedes-Benz A B Class W176 W246 Rear Fuel Pump Control Unit Bracket Holder
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9175649
BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
Promo price
€85.95
€73.06
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2465400340-2
Mercedes W176 Fuse Relay Box Control Unit A2465400340 A2465400140
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9181454
BMW X1 E84 Aerial Antenna Noise Suppression Filter 9181454
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9231466
BMW 2 3 4 Series F22 F30 F32 Antenna Amplifier Module Trap Circuit 9231466
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
Part no. A2229002009
Mercedes W205 W222 Door Module Control Unit Rear Left N/S A2229002009
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8T0959792D
Audi A5 8T Front Door Control Module Unit Left N/S 8T0959792D
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 03D971595CJ
VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
Promo price
€70.95
€42.57
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7823731
BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 4E0941817A
Audi RS4 B8 Front Door Wiring Harness Loom Plug Socket 4E0941817A
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8S0915181C
Audi Q5 FY A5 Negative Battery Terminal Cable Wiring 8S0915181C
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2045420623
Mercedes W204 Warning Device Parktronic Display Rear Sound Signal A2045420623
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2125406462
Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8S0035072A
Audi TT FV Dashboard Sat Nav Drive Unit MMI Multimedia Infortaiment 8S0035072A
Promo price
€379.95
€322.96
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6863389
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863389
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8512043-1
BMW E90 E91 LCI 318d N47N ECU Kit DDE 8512043 + CAS3 + Key Manual
Promo price
€99.95
€84.96
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 03G906018DN-2
Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic
Promo price
€42.95
€25.77
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A4475402105
Mercedes Vito W447 Battery Cable Starter Alternator Wiring Harness A4475402105
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8579478-4
BMW F20 F30 120d 320d Diesel N47N 184HP ECU Unit DDE 8579478 Automatic
Promo price
€94.95
€80.71
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
Part no. 8709212
Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212
€142.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8200263345
Renault Relay III Unit Module 4 Pins 12V 8200263345
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8644376
BMW G20 G30 F40 F45 Mini F54 F56 F60 Crankshaft Position Sensor 8644376
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A0025422619-2
Mercedes ML W163 Relay 4-Pin Grey Tyco Set Kit A0025422619
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 4L0971767
Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 6928376
BMW 5 6 Series E60 E61 LCI E63 E64 Cable Wiring Set ARS Valve Block 6928376
Promo price
€47.95
€40.76
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
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 .