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. 9159795
Control Unit BMW X5 X6 E70 E71 Air Module Bag ECU Unit Bosch 9159795
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2139003317A
Mercedes C118 V177 W213 Diesel OM654 Automatic Transmission Module A2139003317
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8379375
BMW X5 Series E53 Loudspeaker Loud Speaker Tweeter Front 65138379375 8379375
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 9824925-1
Mini F55 F56 F60 LCI Navigation Touch Screen 8.8" Display Nav Head Unit 9824925
Promo price
€569.95
€341.97
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8582280
Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2129008818
Keyless Go Module Mercedes W207 W212 W218 ECU Door Lock Control Unit A2129008818
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 6974246
BMW MINI Cooper Clubman R55 R55N LCI Retaining Bracket Safety Belt Rear Right
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9286249
BMW 3 Series F30 F31 Rear Door Wiring Loom Cable Harness 9286249
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A1775405520
Mercedes W177 Front Door Harness Loom Cable Wiring Left Right N/O/S A1775405520
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2218201811-2
Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8S0035021B
Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
Promo price
€522.95
€444.51
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 7446712
BMW F23 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7446712
Promo price
€142.95
€85.77
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8W9971104A
Audi S4 B9 Wiring Loom Set PDC Rear Complete Harness Parking Sensor 8W9971104A
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8377654
BMW X5 E53 AmplifIer Trap Circuit Antenna Booster Diversity 8377654
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8707750
BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750
€279.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A2129001227
Gateway Control Unit Mercedes W204 W212 Gateway Module ECU VST A2129001227
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9168335
BMW X1 E84 Antenna Amplifier Diversity 868 MHZ 9168335
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8573257-6
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8573257 Automatic
€89.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8506281-2
BMW E87 LCI E90 116d 316d N47 Engine ECU KIT DDE 8506281 + CAS3 + Key Manual
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9259467
Fuse Box BMW X3 F25 Power Distribution Control Unit Module Front 9259467
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A0025421119
Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A1635400441
Mercedes-Benz M-Class ML W163 Ground Cable Right O/S Wheel Arch A1635400441
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9353421
BMW F11 LCI Body Control Module Unit V7 PL6 JBBFE III 9353421
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 3421562
Engine Wiring Harness BMW X3 E83 2.0i N46 Wiring Loom Manual Gearbox 3421562
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-5%
Part no. 1K0951253
VW Volkswagen Audi Seat Relay 449 Unit Module 4 Pins 1K0951253
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 5Q0959595B
Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 059903016JX
Audi A5 8T 3.0 TDI CCWA Diesel Alternator 059903016J
€56.95
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 8510591-7
BMW X1 E84 2.0d N47 177HP sDrive Engine Control Unit ECU DDE 8510591 Manual
Promo price
€189.95
€113.97
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8506281-5
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
€94.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9270495-1
BMW X5 E70 X6 E71 F10 F11 F12 Parking Sensor PDC Ultrasonic Black 9251944 SET X4
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 7578051
Mini Cooper R56 Automatic Gearbox Basic Control Unit EGS 7574294 7571340
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9353066
BMW F20 F21 F30 F31 Relay Cover Electric Fan Relay Cap 9353066
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A1698209126
Door Module Mercedes W169 W245 Rear Left N/S Control Unit A1698209126
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A1715403932
Mercedes SLK R171 Rear Bumper PDC Wiring Loom Parking Sensor Cable A1715403932
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-5%
Part no. 1K0907719B
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8W0035192E
Audi A4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W0035192E
Promo price
€284.95
€242.21
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 059911021G
Motor Starter Audi A7 4G Q5 8R 3.0TDI Diesel Engine Starter Unit 059911021G
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A6519003603-2
Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A1728202100
USB Interface Mercedes W176 W207 W246 Multimedia Adapter Connector A1728202100
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 9387147
BMW F30 LCI 330e B48X Positive Battery Cable Plus EME Loom 9387147
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 8W9971104M
Audi A4 B9 Rear Bumper PDC Parking Sensor Harness Wiring Loom Cable 8W9971104M
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9151978
BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
€47.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9294206
BMW F25 CD DVD Navigation Sat Nav Head Unit 9294206
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 7527610-4
Mini Cooper S R53 W11 170HP Engine Control Unit ECU Kit DME 7527610 Manual
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 4752820
Positive Cable BMW F20 F21 Under Bonnet Battery Wiring Loom 4752820
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 420919275-PHB1
Audi A5 8T Parking Distance PDC Rear Ultra Sonic Sensor Phantom Black - Z9Y
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 7212916
BMW MINI R57 Cabrio Convertible Wiring Set Loom Harness PDC Rear Bumper 7212916
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 7794908
Preheater System Lead BMW E87 E90 E91 Diesel 7794908
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8V21-11000-AE
Ford Transit Connect Mk2 Diesel Starter Motor 8V21-11000-AE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 6942507
Mini R52 R53 Battery Cable Wiring Lead Positive Plus Pole 6942507
€94.95
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-15%
Part no. 7555193
BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555193
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
Part no. 03G903016F
Audi A4 B8 2.0 TDI Alternator Generator 150A Diesel Engine Unit 03G903016F
€94.95
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A2054402834
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2054402834
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9174261
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module ECU 9174261
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A0009003606
Mercedes W176 W246 Automatic Transmission Control Uni A0009003606
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8C11-3C190-AB
Ford Transit Yaw Sensor ESP Rotation Rate Control Unit Module 8C11-3C190-AB
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8K0955557C
Audi A4 B8 Crash Impact Sensor Unit Air Module 8K0955557C
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8K0907279
Audi A5 8T Gateway Convenience Body Module Control Unit ECU 8K0907279C
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 5M0035186AA
Radio CD Player VW Volkswagen Golf Polo Passat B6 Head Unit RCD310 5M0035186AA
€28.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 6949228-1
2 x Mini Cooper R52 Convertible DWA Door Alarm System Module Unit Set 6949228
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8W0907468J
Audi A4 B9 Gateway Control Unit Module ECU 8W0907468J
Promo price
€341.95
€290.66
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 7619144
Engine Wiring BMW F10 F20 F21 F30 N20 Loom Harness Ignition Module 7619144
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 5Q0906093
Fuel Pump Control Audi TT FV A3 8V Petrol Engine Unit Module 5Q0906093
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8K0907064DC
Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064DC
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 6781434
Mini Cooper One R55 R56 Hydro DSC Braking Unit Speed Sensor 6781434 6773031
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9279822
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A2479002707
Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8510137
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Control Unit DDE 8510137 Automatic
€113.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 4H0959793R
Audi A8 D4 4H Front Door Control Module Unit ECU Driver's Side 4H0959793R
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 6C0937089D
Seat Ibiza 6J Central Body Comfort BCM Interface Module 6C0937089D
€37.95
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9356183
BMW 1 2 Series F20 F21 F22 Control Unit Sensor Air Conditioning System 9356183
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9143823-1
BMW E88 E93 LCI ECU Control Unit Module Airbag Safety 9143823
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2055403606
Mercedes W205 Front Axle Damper Adjustment Right O/S Wiring Harness A2055403606
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 4E0035729
Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A6511501879
Mercedes W639 OM651.940 113 CDI 136HP Engine Unit Module ECU A6511501879 Manual
Promo price
€170.95
€145.31
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A2035450301
Mercedes-Benz C CLK Class W203 W209 Battery Terminal Fuse Box A2035450301
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 6920292
BMW 7 Series E65 Cable Harness Loom Front Door Wiring Left Right N/O/S 6920292
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2059004521
Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A0009000716
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009000716
Promo price
€104.95
€62.97
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9824601180-1
Citroen Relay III 2.2 DW12RUD Engine Module ECU Kit Ignition + Key 9824601180
€503.95
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A0024463140-4
Mercedes W169 A160 CDI 95HP M266.920 Engine ECU Kit A0024463140 Automatic
Promo price
€222.95
€133.77
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A0009001810
Windshield Camera Mercedes W166 R172 Driver Assist Front Camera A0009001810
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 6993311
Seat Module BMW F20 F32 F33 Control Unit Front Left Right N/O/S 6993311
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A0035455005
Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
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 .