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
-40%
Part no. A9079001403
Mercedes Sprinter W907 Module Control Unit Radar Sensor A9079001403
Promo price
€237.95
€142.77
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6824129
Inverter Wiring BMW F45 Mini F60 Hybrid High Voltage Battery Cable Loom 6824129
Promo price
€70.95
€42.57
Free delivery - Wed, Dec 31
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, Dec 31
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 - Wed, Dec 31
If paid before 14:00
Part no. 8K0959794A
Audi A4 B8 Door Module Rear Right O/S Control Unit Module ECU 8K0959794A
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0009820512
Energy Distributor Mercedes W177 W212 Power Control Unit Module A0009820512
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0015456403
Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2465401205
Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7835872
BMW 5 Series E60 E63 E64 Carrier Holder Amplifier/Video Module Fairing EDC
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1K0959433BT
VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2048207385
Mercedes-Benz C W204 Front Left Door N/S Control Unit Module A2048207385
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9233009
BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9270354-1
Mini F55 F56 BMW F45 X1 F48 Rear Electric Power Distribution Fuse Box 9270354
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7928461
BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8S0907159B
Audi TT FV Acoustic Controller Control Module Unit ECU 8S0907159B
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 02E911024D
Volkswagen Golf Mk7 Audi A3 8V Engine Starter Motor Start Stop Denso 02E911024D
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. NU5T-15604-KACN
VW Volkswagen Amarok Mk2 BCM Body Control Module Control Unit NU5T-15604-KACN
€222.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8Y0971036E
Audi A3 8Y Front Door Card Wiring Harness Loom Cable Passenger Side 8Y0971036E
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8P4035223D
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8W0959593N
Audi A4 B9 Front Door Module Control Unit ECU Driver's Side 8W0959593N
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7266666
BMW F11 Touring Control Unit Rear Tailgate Boot Lid Function Module 7266666
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9325884
BMW F36 Door Cable Front Driver's Door Wiring Loom Harness 9325884
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2139058001
Mercedes C238 W213 Trunk Lid Handsfree Switch Sensor A2139058001
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 02Z911024Q
Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 4F7910401L-1
Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L
Promo price
€284.95
€170.97
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-5%
Part no. A2198202426
Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8509910
BMW X3 F25 X4 F26 Engine Electronics Control Unit Box Cover Trim 8509910
Promo price
€26.95
€25.60
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8K0959793C
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793C
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3404568
BMW X3 Series E83 2.5i 3.0i Engine Starter Motor Positive Battery Cable 3404568
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6906618
BMW E60 E61 E63 E64 M5 M6 Power Distribution Fuse Box Rear 6906618
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2049005908-2
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2215402462
Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. MB3T-14A411-SLC
VW Volkswagen Amarok NF Wiring Harness Loom Cable MB3T14A411SLC
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2129014204
Mercedes-Benz W212 ECU Control Unit Sensor Module Airbag A2129014204
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0025428719
Mercedes W176 W204 W207 W166 Relay 4 Pin Grey Hella A0025428719
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8573260-2
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control Unit DDE 8573260 Manual
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 5Q0971250AB
Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250AB
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8578945-2
BMW F20 F21 F30 F31 116d 316d N47N 116HP ECU Kit DDE 8578945 Key FEM Lock Manual
Promo price
€341.95
€205.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7290719
BMW F40 F54 Cover Battery Vehicle Trim 7290719
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2198203526
Mercedes CLS W219 Door Module Rear Left N/S Control Unit A2198203526
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7120204
BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2319014702
Mercedes R231 Air Module Control Unit ECU SRS Module A2319014702
Promo price
€284.95
€242.21
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 4F0035411E
Audi TT 8J Speaker Loudspeaker Front Door Left Right N/O/S 4F0035411E
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9393780
BMW F45 F46 Mini F55 F56 F57 KaFAS Camera Front Lane Assist ECU Module 9393780
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5F4971693
Audi A1 8X Door Window Switch Loom Cable Rear Left Right N/O/S 5F4971693
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9364729
Mini F55 F56 F57 Battery Cable Positive Wire Lead Cable Terminal 9364729
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6989068-PS
Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5E0971104B
Skoda Octavia Mk3 5E Rear Bumper Parking Sensor Wiring Harness Loom 5E0971104B
€70.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8W0971553
Audi A4 B9 Front Seat Side Air Module Wiring Harness Loom Cable 8W0971553
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9389560
Aerial Trap Circuit BMW G30 X3 G01 Antenna Amplifier Module Control Unit 9389560
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9805533
Mini R60 Rear PDC Ultrasonic Parking Sensor Royal Grey Metallic 9805533
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 5A02F94
PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9337656
Mini Cooper One F55 F56 F57 Sensor For Pedestrian Protection PTS 9337656
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6863277
BMW F10 F11 LCI Electric Parking Brake Control Unit EMF Module 6863277
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-5%
Part no. A1569057900
Mercedes W176 Aerial Antenna Amplifier A1569057900
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2118703385
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703385
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4F0959795P
Audi A6 C6 Rear Left N/S Door Lock Control Module Unit ECU 4F0959795P
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9209758
BMW X5 Z4 E89 E70 Mini Cooper R56 R57 CD Changer Multichanger 9209758
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8U0971104C
Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104C
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 98661510300
Porsche Boxster 986 Wiper Control Intermittent Relay 6 Pins 98661510300
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A2475402228
Mercedes W177 Recirculation Pump Wiring Loom Cable Harness A2475402228
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6700003892
Smart Fortwo C453 Power Steering Column Control Unit Module 6700003892
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 431951253H
Audi TT 8N A4 B5 A6 C5 A8 D2 Relay Control Unit Module 12V 4 Pins 431951253H
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1664409735
Mercedes ML W166 Battery Cable Alternator Starter Motor Wiring A1664409735
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1669004402
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 4G0907468F
Audi A6 C7 Central Getaway Control Unit Module ECU 4G0907468B
Promo price
€75.95
€64.56
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6955925
BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8595865
Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7607454
Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-5%
Part no. A2709060500
Ignition Coil Mercedes W176 W204 C207 W212 Petrol Cable Connector A2709060500
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1
BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9145115
BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8506438-1
BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2229003210
Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9150721
BMW E87N ECU Body Control Module H2 Junction Box 9150721
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6950181
BMW E93 Aerial Antenna Amplifier Diversity Control Module 6950181 9187798
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2129001227
Gateway Control Unit Mercedes W204 W212 Gateway Module ECU VST A2129001227
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9376789
BMW F39 F45 F48 Mini F60 Positive Battery Wiring Cable 9376789
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8P0862335F
Audi A3 8P A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335F
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8518569
BMW F20 F21 F30 F31 N47N 116d 316d ECU Control Unit Module DDE 8518569 Manual
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9312596
BMW F12 F13 LCI F06 Gran Coupe Amplifier Hifi System Sound System Module 9312596
Promo price
€51.95
€31.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 2754241
Mini Cooper R55 R56 R57 R60 R61 Engine Computer Mount Support Bracket Holder
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2128270128-IRS
Roof Antenna Mercedes W212 Shark Trim Panel Iridium Silver - 775 A2128270128
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 1K0971121CL
Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Passenger Side 1K0971121CL
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A6291501779
ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic
Promo price
€104.95
€62.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8513250-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS4 Key Automatic
Promo price
€203.95
€173.36
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 02M911024S
VW Golf MK7 5G Audi A3 8V Engine Starter Motor Valeo 2.0 TDI Diesel 02M911024S
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9393144
BMW G11 G30 Fuse Box Power Distribution Electrical Control Unit Box Rear 9393144
€47.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6C1T14A481CC
Ford Transit Mk7 Fuse Box Body Control Module ECU 6C1T14A481CC
Promo price
€70.95
€42.57
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2055406304
Mercedes W205 Hybrid Battery Cable Starter Wiring Loom Harness A2055406304
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6980020
BMW E63 E64 Rain Light Sensor Control Unit Module HUD 6980020
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3417160
BMW X3 E83 LCI Cable Alternator Starter Base B 3417160
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5F4035225
Seat Leon Mk3 Antenna Amplifier Module AM/FM Left N/S Aerial Booster 5F4035225
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A0009062103
Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103
€113.95
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 .