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. A9075406849
Mercedes Sprinter W907 Ground Line Battery Earth Cable Wire A9075406849
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2134400200
Mercedes GLC 300e X253 Electric Drive Ground Earth Line Wire A2134400200
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2215450801
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
€227.95
€136.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2038209489
Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8639595-12
BMW F30 F31 F32 328i 428i N20 245HP Engine Control ECU DME 8639595 Automatic
€222.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9227238
BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 2G0907357A
VW Polo Mk6 AW Headlight Head Lamp Range Control Unit Module ECU 2G0907357A
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9270365
BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268
Promo price
€61.95
€37.17
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-15%
Part no. A0009001704
Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
Promo price
€80.95
€68.81
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8510221-1
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A4539009506
Smart Fortwo C453 Sat Nav Control Unit Navigation Module Unit A4539009506
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9195223
BMW 7 Series E65 E66 DVD Navigation System Computer Unit EXCH 9122860
€194.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4G8959795A
Audi A7 4G8 Door Control Module Electrical Unit ECU Rear Right O/S 4G8959795A
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 4H0971104J
Audi A8L 4H Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104J
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6800903
Mini R50 R52 R53 Steering Wheel Horn Switch Right O/S 6800903
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8055326
BMW 3 4 Series F80 M3 F82 M4 LCI Fuel Tank Heat Insulation Plate 8055326
Promo price
€61.95
€37.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2135451140
ECU Bracket Mercedes W213 Control Unit Module Holder Mount A2135451140
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2124407952
Battery Cable Mercedes W212 W218 Negative Lead Terminal Harness A2124407952
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6R0971349AM
Volkswagen Polo Mk5 V 6R Battery Cable Alternator Starter 6R0971349AM
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9111165-PB2
PDC Sensor BMW E81 E82 E87 E88 E90 E91 Ultrasonic Parking SET X4 Platinbronze
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9176682
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 2Q0971537AN
Volkswagen Polo Mk6 AW Battery Negative Cable Wiring Earth Line 2Q0971537AN
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6938975
BMW E60 E61 E63 E64 6-disc Compact CD Changer 6938975
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 3428557
BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8631637
Earth Ground Cable BMW i3 I01 Battery Starter Terminal Wiring 8631637
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8509105
BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2055403103
Alternator Starter Wiring Harness Mercedes W205 GLC C253 OM651 A2055403103
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 284B12763R
Smart ForTwo C453 Vauxhall Vivaro Mk2 BCM Body Control Module Unit 284B12763R
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. GN15-14C676-AA
Volkswagen Amarok MK2 Impact Sensor Front Left Right N/O/S Door GN15-14C676-AA
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8S0963553D
Volkswagen Skoda Seat Audi Seat Pressure Sensor Front Passenger Side 8S0963553D
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2129004718
Door Module Mercedes W212 Front Right Control Unit Module A2129004718
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4M0907247
Audi A4 B9 A5 F5 Keyless Entry Amplifier Control Box Module Antenna 4M0907247
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8476016
Battery Cable BMW X3 G01 X4 G02 Diesel Alternator Starter Positive Cable 8476016
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9119355
BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module 9119355
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8627098
BMW F45 X1 F48 Mini F60 Automatic Gearbox Module Control Unit EGS 8627098
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1775404507
Mercedes V177 C118 W247 Fuse Box Relay Control Unit Module A1775404507
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. YC1A14B321CC
Ford Transit MK6 Restraints Control Module Air Module Unit YC1A14B321CC
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5F0919604A
Head Unit Seat Ibiza 6J Leon 5F Audio Radio Player Sat Nav Navigation 5F0919604A
€80.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6825835
BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6942675
BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6942675
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 914014H161
Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91401-4H161
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9805670
Mini R60 Countryman Door Window Lifter Regulator Motor Front Right O/S
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6977982
Mini Cooper R50 R56 R57 R60 Relay No Contact Taubenblau 6977982
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6910542-1
BMW E46 X3 E83 Battery Cable Plus Pole Power Positive Wiring 6910542
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8K0959792E
Audi A4 B8 A5 8T Front Door Module Control Unit Module ECU Left N/S 8K0959792E
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8510829-4
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
€94.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6951079
BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1J0919506M
Volkswagen Skoda Seat Audi Radiator Cooling Fan Relay Control Unit 1J0919506M
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9264974
BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974
€85.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 231A07345R
Smart Fortwo C453 Central Door Locking Control Unit Module ECU 231A07345R
€66.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 06K907425B-15
Audi S3 8V 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
€360.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2168204726
Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8664661-3
BMW F23 F30 F32 228i 328i 428i N20 184HP Engine Unit ECU DME Kit 8664661 Manual
€351.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5M5T14B192AA-1
Ford Transit Custom Mk8 Relay 4-Pin Black 12V 20A SET X2 5M5T-14B192-AA
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2034450000
Mercedes Vito W639 Gateway Control Unit Module A2034450000
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8633997
Ground Line BMW G11 G12 G20 G30 G31 Battery Earth Cable Wire 8633997
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7520936
Mini R50 Petrol W10 Engine Wiring Loom Harness Automatic Gearbox 7520936
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2139007105
Air Module Mercedes W213 S213 W238 SRS Control Unit ECU A2139007105
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2115452647
Bracket Mount Mercedes W211 W219 Control Unit Module SAM Holder A2115452647
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9257093
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9257093
Promo price
€170.95
€145.31
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6935600
BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6929347
BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin 6929347 6950704
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9321022
BMW Mini Cooper F55 F56 F57 B Junction Terminal Box 300-400 W 9321022
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6921979
Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8616810
BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F32 Battery Cable Connecying Line
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 5A0BD89
BMW F40 Power Distribution Fuse Box LIN Control Unit Module 5A0BD89
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1697220180
Mercedes-Benz A-Class W169 Door Plug Cover Trim Insert Blank Seal A1697220180
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 280236951R
Smart Fortwo C453 USB AUX SD Card Socket Slot Port Control Unit 280236951R
€89.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8677247-1
Mini Countryman F60 Cooper Cable Alternator Starter Wire 12428677247 8677247
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2229005118
Mercedes W205 Ambient Color Light Module ECU A2229005118
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2129004518
Door Control Unit Mercedes W204 W207 W212 Front Left N/S Module ECU A2129004518
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. PC3T-19J220-BC-1
VW Volkswagen Amarok Mk2 Front Door Camera Control Unit Left N/S PC3T-19J220-BC
€94.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A9075407160
Mercedes W907 W910 Battery Electrical Wiring Harness Ground Line A9075407160
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7644747
BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual
Promo price
€398.95
€239.37
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9273630
BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9265835
Fuse Box Holder BMW X5 F15 X6 F16 Control Unit Module Bracket Carrier 9265835
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8580059
Mini F56 F60 BMW F40 F39 Diesel B37 Battery Starter Alternator Wiring 8580059
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6865245
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6865245
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6C1010K019AC
Alternator Bracket Ford Transit Mk7 2.4 TDCi Mount Belt Tensioner 6C1010K019AC
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9194824
BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824
Promo price
€94.95
€80.71
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
€170.95
€102.57
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A6519007500-13
Mercedes W212 E250 CDI 651.924 204HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
€313.95
€188.37
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7464750
Tailgate Smart Opener BMW F10 F11 X1 F48 X3 F25 Control Unit Module 7464750
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6947786
BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6919812
BMW E60 E65 E66 E67 Front Seat Sensor Mat 6919812
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4L0907468B
Audi Q7 4L Gateway Module Central Control Unit 4L0907468B
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7248172
BMW 5 Series F10 F11 Drive Window Lifter Motor Front Rear Right O/S 7248172
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 1K8971104S
Volkswagen Scirocco Mk3 Rear Number Plate Wiring Harness Cable Loom 1K8971104S
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9118611
BMW Z4 E86 Hifi Audio Sound AMP Amplifier Module 9118611
Promo price
€574.95
€488.71
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2048210651
Mercedes W204 Air Module Impact Crash Sensor Door A2048210651
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A2239052400
Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7P6971693A
Volkswagen Touareg 7P Door Harness Wiring Loom Rear Left Right N/O/S 7P6971693A
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 282754515R
Smart Fortwo C453 Comfort Module Control Unit ECU 282754515R
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9205930
BMW E92 Telematics Bluetooth Control Unit Module 9205930
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 4H0035446A
Audi A7 4G Antenna Signal Amplifier Control Unit ECU 4H0035446A
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 4F0919813E
Audi A4 B8 Chip Card Reader for Road Toll ETC Japan Module Unit 4F0919813E
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
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 .