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. 8384525
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384525 6920648
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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: Feb 18 – 23
If paid before 14:00
-15%
Part no. 9354289
BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289
Promo price
€104.95
€89.21
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6957114
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957111
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A1775401629
Mercedes W177 Rear Bumper PDC Wiring Loom Parking Sensor A1775401629
Promo price
€37.95
€32.26
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 7588502-5
Mini One R55 R56 N12 1.4 Petrol Engine ECU Kit DME 7588502 CAS3 + 2 Keys Manual
€237.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6836648
BMW G32 Adapter Cable Switch Door Center 6836648
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A6394405009
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405009
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 1K0971235
VW Volkswagen Touran 1T Battery Wire Cable Negative Earth Lead 1K0971235
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2139065706
Mercedes W205 W213 Front Engine Compatment Fuse Relay Box Module A2139065706
Promo price
€37.95
€32.26
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 1529431-1
Ford Mondeo Mk4 Starter Motor 2.2 TDCI Diesel Engine 6G9N-11000-GC
€42.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A2215400210
Mercedes W221 Door Wiring Cable Rear Right O/S Door Loom Harness A2215400210
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2059006822
Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8510221
BMW E90 E91 LCI E92 330d Diesel N57 Engine Control Unit DDE 8510221 Automatic
Promo price
€113.95
€68.37
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9342033
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
Promo price
€42.95
€25.77
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A6549001400-1
Mercedes W213 E220 CDI 654.920 194HP Engine ECU Kit A6549001400 Automatic
Promo price
€455.95
€273.57
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6958525-1
BMW 5 X5 X6 Series 1 E60 E61 E70 F07 F10 F11 Seat Adjustment Switch Left N/S
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 5N0971235A
Audi A3 8P VW Golf MK6 Battery Negative Earth Cable Harness Wiring 5N0971235A
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2139002817
Mercedes W177 W205 C257 Radar Sensor Front Control Unit Module A2139002817
Promo price
€189.95
€113.97
Free delivery: Feb 18 – 23
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: Feb 18 – 23
If paid before 14:00
-5%
Part no. 1K0971250AH
VW Golf Mk5 V Negative Battery Terminal Cable Wiring 1K0971250AH
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 3T1T-14301-AC
Ford Transit Connect Negative Battery Terminal Cable Wiring 3T1T-14301-AC
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7522284
Mini Cooper One R50 R52 W10 Battery Cable Plus Pole 7522284
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 03C906027DA-1
VW Volkswagen Touran 1T 1.4 TSI CAVC Engine ECU Kit Ignition 03C906027DA + Keys
Promo price
€237.95
€202.26
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7011612
BMW 7 Series E65 E66 E67 Centre Console Coinbox With Vent Storage Compartment
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 198393-01
Volkswagen Polo 6R Light Lamp Control Module Unit ECU 198393
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8E0035195M
Audi A4 B7 Convertible Symphony CD Changer Radio Head Unit 8E0035195M
€75.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8U0971030AF
Audi Q3 8U Front Door Wiring Harness Loom Cable Passenger Side 8U0971030AF
€32.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 2GA971694A
VW Volkswagen T-Roc Mk1 Rear Door Cable Harness Wiring Loom Right O/S 2GA971694A
€32.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 9362351-1
Mini F55 F56 BMW F45 i3 I01 Head Unit Radio DAB Media Player Unit 9362351
€94.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2139000124
Mercedes W213 W222 C257 Amplifier Module Audio Burmester A2139000124
Promo price
€427.95
€256.77
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2535400901
Starter Cable Mercedes W205 GLC X253 M274 Electrical Wiring Harness A2535400901
Promo price
€47.95
€28.77
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6911519
BMW E65 E66 E67 Wiper Switch Stalk Steering Column Wheel 6911519
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9253111-1
BMW 1 2 Series F20 F21 F22 Positive Plus Pole Battery Blow Cable Part 9253111
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 4F0907280A
Audi A6 C6 On Board Onboard Supply Module Control Unit ECU 4F0907280A
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 4F0959655E
Audi A6 C6 SRS Crash Air Module Safety ECU Unit Control 4F0959655E
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
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: Feb 18 – 23
If paid before 14:00
Part no. 6948048
BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 7PP907064LA
Porsche Macan 95B Body Comfort Module Control Unit 7PP907064LA
€237.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 141951253B-4
Audi VW Volkswagen Seat Relay Number 53 Unit Module 4 Pins Set Of 4 141951253B
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0009003713
Mercedes W205 Tyre Pressure Control Module Unit A0009003713
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8470176-4
Mini Cooper D F55 F56 B37 1.5 116HP Engine ECU Kit DME BDC + Key 8470176 Manual
Promo price
€379.95
€227.97
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9897879-4
Mini Cooper F55 F56 F60 B38C 1.5 136HP Engine Module ECU DME 9897879 Manual
Promo price
€227.95
€136.77
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2129004307
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129004307
Promo price
€80.95
€48.57
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8685853
BMW F40 X1 F48 Mini F55 F56 F60 Engine Injector Wiring Loom Harness 8685853
Promo price
€85.95
€51.57
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0045468240
Distributor Box Mercedes W204 W212 W906 Front Block Control Unit A0045468240
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2225403150
Fuse Box Mercedes W205 Front Passenger Side Footwell Fuse Box A2225403150
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6968652
BMW 3 Series E93 E93N LCI Aerial Antenna AM / FM Right O/S 6968652
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A1175401205
Mercedes C117 Drivers Door Wiring Harness A1175401205
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2218702993
Mercedes CL W216 W221 Air Module Control Unit A2218702993
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6821205
Battery Wire Mini Cooper F55 F56 F57 IBS Negative Battery Lead Cable 6821205
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A1669009311
SAM Module Mercedes ML W166 Center Electrics Control Modul A1669009311
Promo price
€189.95
€113.97
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A0009002308
Mercedes W447 W906 Adblue Module Exhaust Gas Control Unit ECU A0009002308
Promo price
€89.95
€76.46
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2215407710
Mercedes W221 Battery Negative Terminal Cable Wiring Wire A2215407710
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8625072
Wiring Loom Mini Cooper F55 F56 Harness Injection Valve Ignition 8625072
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 5Q0959392B
Audi A3 S3 8V Door Control Module Front Passenger Side Left N/S 5Q0959392B
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2189006806
Mercedes W207 Harman Control Unit Module Amplifier Premium Sound A2189006806
Promo price
€631.95
€379.17
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9314023
MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6922528
BMW 5 Series E61 E61N LCI Holder Bracket Additional Battery 6922528
Promo price
€26.95
€25.60
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 9474776
KaFAS Camera BMW F10 F20 LCI F30 Mini F55 F56 Control Unit ECU Module 9474776
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2513200158-1
Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 6824117G
Mini F60 Hybrid High Voltage Battery Wiring Loom Harness 6824117G
€32.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8F0959655C
Audi A5 8F Cabrio Air Module Control Unit ECU Crash Control Sensor 8F0959655C
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0038201926
Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8N0906018BH
Audi S3 8L 1.8T BAM Quattro 225HP Petrol Engine Unit ECU 8N0906018BH Manual
€379.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. AV6T-14A076-AB
Ford Focus Mk3 Fuse Box Relay Cover Cap Flap AV6T-14A076-AB
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 06D903016A
Audi A4 B7 Alternator Generator Unit 140A 14V 1.8 2.0 Petrol Engine 06D903016AB
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2059004113
Mercedes S205 Display Screen Multimedia Navigation Sat Head Unit A2059004113
Promo price
€51.95
€44.16
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6864927
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 9134669
BMW E93 Convertible Seat Control Unit Module ECU 9134669 FSV 7.10.0
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 2755095
Mini Clubman R55 Amplifier Holder System HiFi Stereo Audio 2755095
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2075404207
Mercedes W204 M276 NOX Sensor Adapter Right O/S Harness Wiring Cable A2075404207
Promo price
€37.95
€32.26
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 7801158
BMW 3 5 X5 Series E60 N E70 E90 F30 Exhaust Lambda Probe Oxygen Sensor 7801158
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. BK2T18D815GD
Ford Transit Custom MK8 Radio Stereo Audio USB Head Unit Panel BK2T18D815GD
Promo price
€56.95
€48.41
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 9389310
BMW F45 Door Wiring Front Driver's Door Loom Cable Wiring Harness 9389310
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A0045425218
Mercedes W221 Blind Spot Radar Sensor Module Control Unit A0045425218
Promo price
€208.95
€125.37
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8638588
BMW F20 F22 F30 LCI 125i 230i 320i 330i B48 Cable Alternator Starter 8638588
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 9139868-1
BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Black 9139868
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 7611322
BMW F01 F02 F06 F07 F10 F11 F12 Positive Cable Battery Lead N55 Engine 7611322
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 9148267
BMW 3 Series E93 Seat Control Unit Module FSV 7.11.0 9148267
Promo price
€94.95
€80.71
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8V4971030AD
Audi A3 S3 8V Front Door Wiring Harness Loom Cable Passenger Side 8V4971030AD
€61.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2128208826
Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. Q0009493V003000000
Smart Fortwo C450 ESP YAW Rate Lateral Acceleration Speed Sensor 0265005671
€165.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2535405429
Mercedes C253 OM656 Diesel Engine Motor Wiring Loom Cable Harness A2535405429
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 04E907309AF-3
Seat Ibiza FR IV 1.2 TSI CJZD 110HP Engine Control ECU Kit 04E907309AF Manual
€189.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9326204
BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2055408104
Battery Cable Mercedes W205 X253 Diesel OM651 Alternator Wiring A2055408104
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8P4963553A
Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6956020-2
Mini Cooper One Convertible R52 Rear Bumper PDC Wiring Parking Sensor Loom Cable
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A6399003200
Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
Promo price
€37.95
€32.26
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9113348
BMW E81 E87 LCI E90 E91 DC/DC Wandler Torque Converter Module 9113348
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9381113
Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 9381113
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. W639 Taxi Modules
Mercedes Vito W639 Control Unit Set Taxi Rear Wheel Steering Intercom Module
Promo price
€332.95
€199.77
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 7L6971073F
VW Volkswagen Touareg 7L Front Frame Panel Wiring Harness Cable 7L6971073F
€32.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7555188
BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 5A07858
BMW G01 G11 G12 G30 G31 F98 X4M Air Conditioning Control Unit Module 5A07858
€42.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A0009055700
Mercedes W639 Brake Yaw Rate Sensor ECU A0009055700
Promo price
€42.95
€36.51
Free delivery: Feb 18 – 23
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 .