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.
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Part no. 9166707-1
BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626
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Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
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Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
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Part no. 7848603
Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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Gateway Module Mercedes W211 Control Unit ECU A2115408545
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Part no. 7823420-1
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. 6907395
BMW X5 Series E53 Electrical Power Distribution Fuse Box 6907395
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CD Changer BMW E60 E61 E63 E64 6-disc Without Magazine 6949694
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Part no. 3456987-3
Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456987
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Part no. 038903024F
VW Volkswagen New Beetle 1.9 TDI BSW Diesel Alternator Generator 038903024F
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Part no. 6970895
BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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Part no. A2088206010
Mercedes W202 C208 W208 Alarm Sensor Module Unit A2088206010
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Part no. A2049060105-1
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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Part no. A9075450100
Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
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Part no. 7811701-3
BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7811701 CAS3 + Key Manual
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Mercedes R171 Central Gateway Module ECU Control Unit A1715404945
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Part no. 7515030-1
Mini Cooper S R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. A2198200726
Door Module Mercedes C219 Front Right Door O/S Control Unit Module A2198200726
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Part no. 7L6937049N
Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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Part no. A9065450401
Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
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Part no. A1648205585
Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585
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Part no. 3456911
Mini Cooper R57 PL3 SPEG H4 Fuse Distribution Box 3456911
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Part no. 9225771
BMW Z4 Series E89 Front Bumper PDC Loom Cables Wiring Set 9225771
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Part no. A2079010600
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
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Part no. 03L906022BQ-1
Audi A3 8P 2.0 TDI CBAB 140HP Engine ECU Kit Ignition + Key 03L906022BQ Manual
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Part no. 6948087
BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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Part no. 8516739-1
Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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Part no. 9663755480
Peugeot 207 1.6 HDI 90HP DV6-ATED4 Engine Control Unit ECU 9663755480 Manual
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Part no. A6399003300
Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
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Part no. A2035451701
SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701
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Part no. 8P1862335
Audi A3 8P Telematics Bluetooth Module Control Unit ECU 8P1862335
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Part no. 03G906021MP
VW Volkswagen Touran TDI Diesel Engine Control Unit ECU 03G906021MP
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Part no. 7L0919283F
Volkswagen Touareg PDC Parking Sensor Control Unit Module 7L0919283F
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Part no. 9196669-1
BMW E81 E87 E90 E91 E92 6-Disc CD Changer With Magazine 9196669
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Part no. A2115452240
Mercedes-Benz E CLS Class W211 W219 Control Module Bracket Holder A2115452240
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Part no. 6G9T-14B192-AA-1
Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA SET X2
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Part no. 4F0971845A-1
Audi A6 S6 C6 Body Comfort Module Convenience Control Unit 4F0907289J
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Part no. YLE500180
Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180
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Part no. 9340337
BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337
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Part no. 045903023A-1
VW Polo 4 9N 1.4 TDI Seat Skoda Diesel Engine Alternator Generator 045903023A
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Part no. 9198826
BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC
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Part no. A6519007600-3
Mercedes W246 B180 CDI 651.901 109HP Engine ECU Kit A6519007600 Ignition + Key
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Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
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Part no. A2719060200
Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200
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Part no. 7577664
BMW E60 E61 LCI 550i N62N 367HP Engine Unit Module ECU DME 7577664 Manual
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Part no. A2049004714
Mercedes W204 COMAND Navi CD Player Radio Sat Nav Head Unit A2049004714
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Part no. A2129006905
Mercedes W212 Comand Radio Head Unit CD DVD Player A2129006905
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Part no. 9293305
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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Part no. 05L907309B-1
Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key
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Part no. 7552815-1
Alternator BMW Z4 E89 23i 30i N52N Alternator Denso 170A 14V 7552815
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Part no. 05L903026B
Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B
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Part no. 9461797
BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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Part no. A0009068302
Mercedes Sprinter W907 Alternator Generator Engine Diesel 250A 14V A0009068302
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Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Part no. A6429061000
Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645402601
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Part no. A2129004603
Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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Part no. A2048982614
Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Part no. 02M911024A
Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
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Part no. 7L0959933H
VW Touareg 7L Body Control Comfort Unit Module STG Convenience ECU 7L0959933H
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Part no. A1685453532
Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532
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Part no. 7N0907530AL
Audi TT 8J Gateway Control Unit Module 7N0907530AL
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Part no. 7595179-6
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Part no. A1644406532
Mercedes ML W164 Diesel OM629 Wiring Alternator Starter Harness A1644406532
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Part no. 8645325
Alternator BMW F20 F21 F30 F31 LCI F32 F33 F34 Petrol Engine Unit 180A 8645325
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Part no. 9159045
Mini R56 Head Unit CCC Navigation Navi Sat Nav Controller R55 R57 9159045
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Part no. 6945029
BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Part no. A1635422318
Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Part no. A2539003809
Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809
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Part no. A2048700594-2
Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594
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Part no. A2078205289
Mercedes C207 Rear Radio Amp Sound Amplifier Audio Getaway Becker A2078205289
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Part no. 02M911021S
Audi TT FV Starter Motor Engine Diesel 02M911021S
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Part no. 6983307
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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Part no. A6461540102-1
Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102
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Part no. 04C903023T
Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Part no. 8P0959433
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433
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Part no. A1694402805
Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Part no. 3456855
BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855
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Part no. 9170702-1
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Part no. 7586940-2
BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual
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Part no. 6977759
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759
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Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
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Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203775
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Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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Part no. 6944963
BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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Part no. A2139002022
Door Module Mercedes W213 C238 Front Left N/S Control Unit ECU A2139002022
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Part no. 4109140
MINI Cooper One R50 Control Unit For Radio Remote Control 433MHZ 4109140
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Part no. 6941634
Headlight Ballast BMW E60 E61 E90 E91 Xenon Adaptive Control Module 6941634
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Part no. 9285768
BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Right O/S 9285768
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Part no. 9202152-1
BMW E81 E87 E88 E90 E91 Radio Business CD Player 9202152
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Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Part no. A1645460161
Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161
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Part no. 8T0959754
Audi A5 8T Remote Radio Alarm Key Button Control Unit Module 868 MHZ 8T0959754
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Part no. A1645402372-1
Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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Part no. 6868257
Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6868257
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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 .