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. A6399005400
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Audi A4 S4 B9 Petrol Fuel Pump Control Unit Module ECU 4M0906093N
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F
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Audi A5 8T Front Driver Site Module Control Unit Seat Adjustment Seat 8K0959760D
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Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
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BMW X5 E70 Seat Control Unit Module Front Left ECU 9264976
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Part no. A0035422019
Relay Mercedes SLK R171 5-Pin Electrical Plug White 12V A0035422019 R1808002
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Part no. 8T0035223T
Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
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Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000111
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Mercedes W213 OM654.920 Automatic Transmission Control Unit Module A2139002501
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BMW F01 730d N57 245HP Engine Control Unit ECU Module DDE 8516753 Automatic
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Audi Q7 4M Front PDC Parking Distance Sensor Mythical Black Metallic - Y9T
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Part no. 9640469680-1
Peugeot Partner Glow Plug Relay Control Unit Module 9640469680
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BMW E90 E91 LCI N47N 320d 163HP Engine ECU KIT DDE 8510829 + CAS3 + Key Manual
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Part no. 0CQ907554E
Rear Diff Module Seat Leon Cupra 5F VW Golf Mk7 4motion Control Unit 0CQ907554E
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Part no. CC1T-11000-DC
Ford Transit Custom Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-DC
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Part no. A6519005301-5
Mercedes W212 E220CDI BlueEFFI OM651.924 170HP Engine ECU A6519005301 Automatic
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Part no. 8378339
BMW 3 Series E46 Cable Loom Door Rear Left Right N/O/S Wiring Harness 8378338
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9388179
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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Part no. 6R0937087P
Volkswagen Polo 6R Fuse Box Module Comfort BCM Body Control Unit ECU 6R0937087P
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Part no. 7812500
BMW E60 E61 LCI N47 520d 177HP Engine Control ECU DDE Kit 7812500 Automatic
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Part no. 2T14-11000-BA
Ford Transit Connect Starter Motor Engine Actuator Diesel 1.8 2T14-11000-BA
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Part no. 7544721
BMW X5 E53 Automatic Gearbox Basic Control Unit Module EGS 7544721
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Part no. A2711541402-1
Alternator Generator Mercedes W203 W204 M271 Engine Valeo 120A 14V A2711541402
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Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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Part no. 8674691
BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
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Part no. 8631727-3
BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
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Part no. 9131850-2
CD Changer BMW E60 E61 E63 6-Disc Compact Changer With Magazine 9131850
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Part no. A6511530879
Mercedes W906 OM651 Glow Plug Pre Heat Relay A6511530879
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Part no. 8C1T-18C815-AD-1
Ford Transit Radio Head Unit 6000 CD Media Player Unit 8C1T-18C815-AD
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Part no. 7640015-6
BMW E90 E91 E92 320i N43 170HP Engine Control Unit ECU DME 7640015 Automatic
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Part no. 5Q0937084AG
Volkswagen Golf MK7 Audi A3 8V Body Control Comfort Unit Module BCM 5Q0937084AG
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Part no. 9X2Q12A650PAD
Jaguar XF X250 3.0 D AJV6D Engine Control Unit ECU 9X2Q12A650PAD Automatic
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Part no. 04E907309A
Volkswagen Golf Mk7 1.4 TSI CXSA Engine Control Unit ECU 04E907309A Automatic
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Part no. 4L1910401D-1
Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
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Part no. 6977724
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. A2075401650
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
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Part no. A2078210411-1
Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
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Part no. 9832609
Audio Amplifier BMW F40 G05 G20 G30 Top Hifi Harman Kardon Control Unit 9832609
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Part no. 9813622
Mini Cooper Countryman R60 Fuse Distribution Box SPEG High 9813622
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Part no. 9292248-1
Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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BMW E87 LCI E90 N43 116i 118i 320i DME Engine Control Unit 7583225
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Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
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Part no. 5A63731
BMW G20 Reverse Rear View Camera 5A63731
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Part no. GK2T15604FAF
Ford Transit Mk8 VI Body Control Module Fuse Box GK2T-15604-FAF
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Part no. A2389007704
Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
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Part no. 9313655
BMW 3 Series F30 F80 M3 Boot Trunk Lid Tailgate Wiring Loom Harness Cable Set
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Part no. 7634297
BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
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Part no. 7592080
BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 Automatic
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Part no. 1508927-2
BMW Mini Cooper S R52 R53 2 Positive Battery Cable Fuse Box Module B 6911180
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Part no. A6461507272
Mercedes W639 Vito 109 CDI OM646 Engine Unit Module ECU A6461507272 Manual
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Part no. 9187539
BMW E87 LCI Body Control Module ECU H2 Junction Box 9187539
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Part no. A1406934633
Mercedes C140 Battery Box Boot Storage Cover A1406934633
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Part no. 6956505-1
BMW 5 6 Series E60 E61 E63 E64 1 Power Distribution Fuse Relay Box Rear 6956505
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Part no. 7520019-11
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. A6519065200
Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200
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Part no. 8K0971688AG
Audi A4 B8 Door Wiring Harness Loom Rear Right O/S Cabling 8K0971688AG
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Part no. 8E0971095R
Audi A4 B7 Front Bumper Wiring Loom Harness Cable 8E0971095R
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Part no. P1XT-15K601-AA
VW Amarok Mk2 Remote Ignition Key Opener Button Switch Unit P1XT-15K601-AA
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Part no. 04E907309BJ
Audi A3 8V 1.4 TFSI CZEA Engine Control Module Unit ECU 04E907309A Manual
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Part no. 3456952
MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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Part no. 7629130-1
BMW E90 E91 E92 LCI 335i N55 306HP Engine ECU DME Kit CAS3 + Key 7629130 Manual
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Part no. 8V0035874C
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C
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Part no. 9176826
BMW X5 E70 Footwell Light Module Control Unit ECU VDM PL4 FRM II Lear 9176826
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Part no. 9270356-1
BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356
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Part no. 9663821680
PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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Part no. A2055404007
Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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Part no. 9226365
BMW F10 F11 Head Unit Basis Media Navigation System Controller Headunit 9226365
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Part no. 3456851
Mini Cooper R56 LCI High SPEG Fuse Distribution Box 3456851
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Part no. A0005458916
Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0005458916
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Part no. A1679008711
Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711
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Part no. 9657384680
Citroen C4 Peugeot 407 3008 Alarm Anti-Theft Siren Module Unit 9657384680
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Part no. 03L907309AE
VW Volkswagen Tiguan 2.0 TDI CFFB 140HP Engine Control Unit ECU 03L907309AE
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Part no. 7540992-2
Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A 7540992
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Part no. A6511508656
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511508656
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Part no. 02E911024C
Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
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Part no. 7610011-6
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 + 2 Keys 7610011 Manual
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Part no. 6826790-2
BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6826790
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Part no. 8U0857273E
Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
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Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Part no. 6943822
BMW Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 6943822
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Part no. 8W0907217C
Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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Part no. A2129007324
Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324
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Part no. 8634167
Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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Part no. A2198200726
Door Module Mercedes C219 Front Right Door O/S Control Unit Module A2198200726
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AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201
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Part no. 8200690199
Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Part no. A6401507934
Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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Part no. 7570488-5
Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Bosch Engine Starter Motor 0986018830
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Part no. 3455896
BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Part no. A1669068201
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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Part no. A2048208285
Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Part no. 7568769
BMW Mini Cooper R55 R56 R57 N12 Engine Extension Cable Blow By 7568769
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Part no. 9150961
Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9150961
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Part no. 2447522
Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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Part no. A1669008606-1
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
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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 .