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. A0009822723
Mercedes W205 Estate Fuse Relay Box Module Control A0009822723
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9159811-1
BMW E91 NSW PL2 FRMII Lightning Control Unit Module (LCM) 9159811
€123.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1728202989
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1728202989
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6837092
BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 3456952-1
Mini Cooper R60 Footwell Light Module High EKS PL3 FRM3R Lear 3456952
Promo price
€123.95
€105.36
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7473684
Door Cable BMW F25 F26 Right O/S Wiring Loom Harness Handle Light Lamp 7252538
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8K0959663B
Audi A5 8T Voltage Converter Stabilizer Control Module Unit ECU 8K0959663B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7450992
BMW F20 F21 F30 F31 Fuel Pump Delivery Control Unit Module 7450992
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
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 - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8506199-3
BMW E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE 8506199 CAS 3 + Key
Promo price
€170.95
€145.31
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 3450343
Ultra-sonic Alarm Mini Cooper R55 R56 System Module 3450343
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9303546
BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
€47.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9330951
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9330951
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6850783
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6850783
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 5A402F3
Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
Promo price
€313.95
€188.37
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2229005914
Mercedes W205 Rear SAM Module Control Unit A2229005914
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6868253
BMW F20 F21 F30 F31 ECU ICM Control Unit Module Airbag ECU 6868253
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9281829
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9281829
€42.95
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A6519062400
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
€32.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 7587548-5
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Manual
Promo price
€579.95
€347.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6910542
BMW 3 X3 Series E46 E83 Battery Cable Plus Pole Power Positive 6910542
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8X0959793B
Audi A1 8X Door Module Control Unit Controller Front Driver's Side 8X0959793B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8679817
BMW F98 Earth Ground Cable Negative Battery Lead Wiring 8679817
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1645400350-1
Mercedes ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A1698700689
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
€37.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8K0951253
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins 8K0951253
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7807802-1
BMW X5 E70 LCI X6 E71 N57 N57S Cable Alternator Starter Base B Wiring 7807802
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1645403230
Mercedes ML W164 Positive Battery Terminal Cable Lead Wiring A1645403230
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A1679003504
Ignition Switch Mercedes W177 Electronic Anti Theft Control Module A1679003504
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A6395407809
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6395407809
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2125400450
Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 6837359
Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A0141541302
Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522
Promo price
€80.95
€68.81
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8T0035223AB
Audi A4 B8 8K A5 8T Sound System Audio Amplifier Amp Unit 8T0035223AB
€28.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A1729006903
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729006903
Promo price
€89.95
€53.97
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A4475400082
Mercedes Vito W447 Fuse Box Cover Trim Panel Lid Housing A4475400082
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 15
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 - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2199001100
Mercedes W219 Head Unit CD Player Navigation COMAND Radio Audio Unit A2199001100
Promo price
€379.95
€227.97
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 7428425-3
Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 5Q0937084AE
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AE
€32.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 03L903017E-1
Audi A4 B8 Avant 2.0 TDI Quattro Alternator Generator 03L903017
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 3448250
BMW X3 E83 Front Door Window Lifter Regulator Motor Right O/S 3448250
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8507202
BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
Promo price
€61.95
€37.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 7540686
BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic
Promo price
€265.95
€159.57
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1729007003
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729007003
Promo price
€104.95
€89.21
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9197177-1
BMW 1 Series E88 Cabrio Footwell Light Module Control Unit ECU NSW 9197177
Promo price
€104.95
€62.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8K0907064C
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064C
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2049060105-1
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0009003310
Mercedes W205 W213 Fuel Pump Module Control Unit ECU A0009003310
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1698201585
Mercedes W245 ECU Control Unit Sensor Air Module A1698201585
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9231178
BMW F22 F30 F80 M3 F32 Radio Antenna Amplifier AM FM 9231178
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9315096
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1645403132
Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness Fuel Tank A1645403132
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A6421508900-1
Mercedes W212 E350 CDI OM642.852 Engine Control Unit Module ECU A6421508900
€222.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6928050
BMW 7 Series E65 E66 E67 Battery Cable Wire Earth Ground Minus Negative L=260MM
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9276009
BMW F07 GT Rear Antenna Aerial Amplifier AM/FM DABIII FBD2 868MHZ 9237057
Promo price
€189.95
€161.46
Free delivery - Wed, Oct 15
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 - Wed, Oct 15
If paid before 14:00
-5%
Part no. 4G8959792A
AUDI A7 4G8 Door Control Module Front Right O/S Passenger Side 4G8959792A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 3455305
Mini R57 R57N R58 R59 DWA-Alarm System Relay ECU 3455305 65753455305
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6954298
BMW E81 E87 E90 E91 Adapter Lead Medium Range Loud Speakers 6954298
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 6939287
BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A1779005509
Door Module Mercedes C118 W177 H243 Rear Left N/S Door Control A1779005509
Promo price
€70.95
€42.57
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0015424623
Mercedes A207 W204 W212 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 4L0959792B
Audi Q7 4L Door Control Unit Module ECU Passenger Side 4L0959792B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7E0907655A
Audi TT 8J ESP YAW Lateral Acceleration Sensor 7E0907655A
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 4F0959793E
VW Volkswagen Tiguan 5N Front Right O/S Door ECU Module Control Unit 4F0959793E
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2118701185
Air Module Mercedes W211 W219 Control Unit ECU A2118701185
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 7316535-3
BMW F06 F13 Sliding Sunroof Drive Motor Unit Webasto 7316535
€47.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8605898
Mini Cooper R56 LCI Engine N16 Wiring Loom Harness Injection Valve Ignition
Promo price
€75.95
€64.56
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A2465407832
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407832
€170.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2048200189
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200189
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 3402979
BMW X3 Series E83 2.0d Diesel M47N2 Wire Line Lead For Preheater System 3402979
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9267466
BMW F10 Body Control Module Junction Box V2 PL2 JBBFE III Lear ECU 9267466
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2465400082
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465400082
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 7579136
BMW Mini Cooper S R56 Automatic Gearbox ECU Control Unit EGS Module 7579136
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 6966925
BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925
Promo price
€75.95
€45.57
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A2469068601
Battery Junction Block Mercedes W176 W246 Battery Plus Pole Terminal A2469068601
€161.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2129003414
Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414
Promo price
€132.95
€113.01
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2661503133
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661503133
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8506438-1
BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key
€189.95
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 4H0906093D
Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
€37.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0009002414
Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8517727-3
Mini Cooper D R60 ALL4 112HP 1.6 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
€146.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9382516
PDC Module BMW F15 F16 F25 Mini F55 F56 Parking Assistant Control Unit 9382516
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9483099
Mini Cooper One F55 F56 F57 Parking Assistant Control Unit Module 9483099
Promo price
€61.95
€37.17
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A0025450901
Mercedes W169 W245 W906 Fuse Holder Electrical Fuse Box Bracket A0025450901
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7492026-1
Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9199850
BMW F11 Touring F23 Cabrio DAB Radio Antenna Amplifier Booster Unit 9199850
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2079004400
Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7H0907655A
Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 1440315
BMW X5 Series E53 Wiring Loom Harness Engine Gearbox Module Petrol M62 Automatic
€51.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0325453132
Gearbox Module Mercedes SLK R171 Automatic Transmission Unit EGS A0325453132
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8576341-8
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8586540
BMW F30 F32 LCI 330d 430d N57N 258HP Engine Control Unit Module ECU DDE 8586540
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7789222
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 Cable Alternator Starter
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6912817
BMW E46 Z4 E85 E86 Antenna Amplifier Diversity 6912817
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
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 .