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. A2761508800
Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A1644400837
Mercedes W164 Parking Sensor Wiring Loom Cable Harness Front PDC A1644400837
Promo price
€80.95
€48.57
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2469005315
Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9384988
BMW F20 F45 F46 Kafas Camera Control Module Unit ECU 9384988
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 4B0959643E
Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 4B0959643E
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6933270
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6933270
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A1636801080-1
Mercedes-Benz M-Class ML W163 1 Cover Footwell Fuse Box Trim Right A1636801080
Promo price
€33.95
€28.86
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 5Q0959354A
VW Volkswagen Tiguan AX1 Front Air Module Crash Impact Sensor Unit 5Q0959354A
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8580061
BMW F40 F48 Mini F55 F56 Battery Starter Cable Wiring Loom B47B B47D 8580061
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A2215408609
Mercedes W221 Rear Door Wiring Harness Cable Left N/S A2215408609
€32.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 6C1T-14A076-BB
Ford Transit Mk7 Fuse Box Cover Electrical Unit Housing Trim Cap 6C1T-14A076-BB
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8513157
Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8F0971029AM
Audi A5 8T Front Door Electric Wiring Loom Harness Driver's Side 8F0971029AM
€42.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 7L5035884E
Porsche Cayenne 9PA MMI Multimedia Navigation Control Head Unit 7L5035884E
€237.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 05L907309AD-1
VW Transporter T6.1 2.0 TDI DNAB 110HP Engine Control ECU Kit 05L907309AD Manual
€455.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2829006700
Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic
Promo price
€284.95
€170.97
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 7P6907530M
VW Volkswagen Touareg 7P Gateway Module Control Unit ECU 7P6907530M
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A1645403572-2
Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572
€208.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 2GA971104C
VW Volkswagen T-Roc A11 Wiring Loom PDC Rear Harness Parking Sensor 2GA971104C
€42.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 7645837
BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837
Promo price
€113.95
€68.37
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6926433
BMW 1 3 Series E87 E90 E91 Mini R56 R57 Seat Control Unit Module Heating 6926433
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8510832
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Automatic
Promo price
€151.95
€91.17
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A6519002803-4
Mercedes W447 114 CDI OM651.950 136HP Engine Unit ECU Kit A6519002803 Automatic
€379.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9290804
BMW F20 F22 F30 F32 Module ECU Control Unit FEM Fuse Box 9290804
Promo price
€227.95
€136.77
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6977427
BMW E87 E90 E91 Mini Cooper R50 R52 R53 Air Module Control Unit ECU 6977427
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A1636880035-1
Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2479052503
Mercedes Sprinter W910 Remote Key Control Unit A2479052503
Promo price
€94.95
€80.71
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 02E911023T
Seat Leon 5F Engine Starter Motor 2.0 TDI Diesel 02E911023T
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8K9035382B-1
Audi RS4 B8 Boot Trunk Speaker Spare Wheel Holder Audio Kicker 8K9035382B
Promo price
€80.95
€48.57
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A2215408908
Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908
€32.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A2769007500
Mercedes W205 C43 4MATIC M276.823 367HP Engine Control ECU A2769007500 Automatic
€379.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. P1WT-14G647-EHF
VW Volkswagen Amarok Mk2 Driver Assistance Module Control Unit P1WT-14G647-EHF
€227.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2034400033
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 7622995
Cable Alternator Starter BMW F20 F21 F30 F31 N55 Battery Wiring Harness 7622995
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8K0906264B-1
Audi A4 B8 1.8 TFSI CJEB 170HP Engine ECU Kit 8K0906264B Key + Ignition + Lock
€493.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 04E907309AB
Audi A3 8V 1.4 TFSI CZEA 150HP Engine Control Unit ECU Kit 04E907309AB Manual
€222.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 4H0907063DA
VW Touareg 7P Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DA
€56.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2661536679-2
Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic
Promo price
€56.95
€34.17
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9174269-1
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 415047
Mini Cooper One R55 R56 R57 Cable Adapter iPod Connection 0415047
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A6401500734
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734
Promo price
€113.95
€68.37
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8779030
BMW G30 G31 Body Control Comfort Module Unit FEM ECU V05 8779030
Promo price
€569.95
€341.97
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. AV6T14A067BC
Ford Transit Connect Mk2 II Fuse Box Battery Terminal Unit Module AV6T14A067BC
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 1H5951253
Volkswagen Touareg 7L Relay Alternator Alarm Black 4 Pin 12V No 143 1H5951253
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A2129004901
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129004901
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. L1TT14B006AA
Ford Transit Mk8 Fiesta Mk8 Crash Impact Sensor Air Module L1TT-14B006-AA
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 3420482
BMW X3 E83 Ground Earth Cable Battery Wiring 3420482
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2533402600
Mercedes X253 Hybrid GLC Battery Electrical Wiring Harness A2533402600
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7296108
BMW 4 Series F32 F82 M4 Rear Third Stoplamp Stop Lamp Brake Light White 7296108
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 7627021
BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021
Promo price
€37.95
€32.26
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0009822923-1
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey SET X2 A0009822923
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 5Q0959392D
VW Volkswagen Golf 7 Front Door Control Module Passenger Side Unit 5Q0959392D
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A9079003303
Mercedes W907 Front Radar Distance Control Unit Module A9079003303
Promo price
€132.95
€79.77
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9470037
Differential Locking Module BMW F40 F48 Rear Axle Control Unit ECU 9470037
Promo price
€75.95
€45.57
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 6789514
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6789514
Promo price
€56.95
€34.17
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 4B0941471
Audi S3 8L A6 C5 Xenon Headlight Ballast Module Control Unit 4B0941471
€37.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2038700326
Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9153418
BMW F10 F11 B Plus Distributor Front Battery Cable 9153418
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. C1BT-14B560-BCF
Ford Fiesta Mk7 Centre Console Wiring Loom Harness Cable C1BT-14B560-BCF
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2044409005
Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A4479002405
Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405
Promo price
€218.95
€131.37
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. KK2112A650FA-3
Ford Transit Custom 2.0 EcoBlue 130HP Engine Control ECU KK21-12A650-FA Manual
€189.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. KK3T-15604-FAM
Ford Transit Custom BCM Body Control Module Fuse Box Unit KK3T-15604-FAM
€189.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2219005404
Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404
Promo price
€379.95
€227.97
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7254970
BMW E92 LCI Grille Trim Panel Chrome Frame Front Right O/S 7254970
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 5Q0919283B
PDC Module Audi A3 8V Seat Leon Skoda Octavia Parking Control Unit 5Q0919283B
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 5Q0971250T
Volkswagen Golf Mk7 Seat Leon 5F Battery Wire Negative Earth Lead 5Q0971250T
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 038971803
Volkswagen VW Caddy 2K Injector Wiring Harness Loom 038971803
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2115455332
Mercedes C219 SAM Module Comfort Control Unit A2115455332
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9268438
BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2118201526
Mercedes S211 Rear Door Control Module Left N/S A2118201526
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A1698207526-1
Mercedes W169 W245 Door Control Unit Left N/S Rear A1698207526
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8576341-6
BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM Manual
Promo price
€284.95
€170.97
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 5G0035222A
Volkswagen Golf Mk7 Media In Port Socket Connection Adapter 5G0035222A 5Q0035736
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8638585
BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6812218
BMW X1 F48 Rear Left Right N/O/S Door Wiring Harness Loom 6812218
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8T0959754D
Audi A4 B8 A5 8T A6 C7 Remote Radio Alarm Key Button Control 868 MHZ 8T0959754D
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. F1BT-18B955-GA
Ford Fiesta Mk7 MMI Radio Stereo CD Player Display Screen F1BT-18B955-GA
€66.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 6839821
Battery Cable BMW G01 G02 F97 F98 Positive Plus Pole Lead L= 712MM 6839821
Promo price
€80.95
€48.57
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8W7907468E
Audi S5 F5 Gateway Control Module Diagnostic Interface Unit 8W7907468E
€275.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 2GA971395A
VW Volkswagen T-ROC A11 Front Door Ambiente Light Wiring Right O/S 2GA971395A
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2229004213
Keyless Module Mercedes W205 W213 C253 ECU Door Lock Control Unit A2229004213
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 4F0959795M
Audi A6 C6 Rear Door Left Right N/O/S Module Unit Control ECU 4F0959795M
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 4G2907311C-1
Audi A7 4G8 3.0 TDI CRTE 218HP Quattro Engine ECU Kit 4G2907311C BCM2 + 2 Keys
Promo price
€664.95
€398.97
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8T0959795Q
Audi A5 B8 8T Door Module Control Unit Left Right N/O/S 8T0959795Q
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 3452285
BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"
Promo price
€265.95
€226.06
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9377149
BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2479001306
Mercedes W177 W247 SAM Module Body Comfort Control Unit A2479001306
Promo price
€113.95
€68.37
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A6396890279
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890279
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8580389
BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389
Promo price
€61.95
€37.17
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A1679003118
Door Module Mercedes W205 W213 X253 Front Right O/S Control Unit A1679003118
Promo price
€75.95
€45.57
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8736251
BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251
Promo price
€66.95
€40.17
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2055404797
Battery Cable Mercedes GLC X253 Starter Motor Alternator Wiring A2055404797
Promo price
€47.95
€28.77
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 6820931
Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0005406904
Mercedes X253 Ground Line Battery Earth Cable Wire A0005406904
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 9359248
BMW MINI Cooper One F55 Cable Harness Door Right O/S Loom Driver Side 9359246
€23.95
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 .