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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BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795
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BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157
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Mercedes EQA H243 Relay High Voltage Performance DC 250 A Contactor A7899823000
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BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6942676
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Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877
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Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
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BMW E87 E90 E91 Power Distribution Fuse Box Front 6906613
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Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726
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BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
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Mercedes W447 Door Control Module Front Left N/S A4479007706
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Seat Module BMW E60 E61 E65 E66 Front Left Right N/O/S Control Unit ECU 6927315
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Mercedes W204 Rear Left Door N/S Control Unit Module A2048207785
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Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087
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Seat Module BMW E60 E61 E65 E66 Front Seat Control Unit Module ECU 6927312
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Glow Plug Relay Mercedes W213 C238 Diesel OM654 Preglow Module A6549001300
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MINI S R52 R53 W11 Engine Control Unit Module ECU DME 7553735 Manual
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Renault TRAFIC 4 Pin Blue Relay Module Smart 8200900820
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BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
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BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282
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BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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BMW 7 Series E65 E66 E67 PDC Parking Ultrasonic Sensor Toledoblau 6989163
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BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080
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BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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Rear View Camera Module Mercedes W205 W222 W253 Control Unit A2229005613
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BMW F20 F30 F31 LCI Earth Cable Battery Cable 8648003 12428648003
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Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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BMW F20 F21 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9331211
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Starter Motor BMW E60 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Unit NSM1504
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Mini Cooper One R50 R52 Alternator Generator 110A Benzin 7550997 7559223
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BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082
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Mercedes W203 W204 W211 Automatic Gearbox Transmission Control Unit A0034464110
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Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403
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BMW X3 E83 2.0d M47N2 Diesel Engine Control Unit ECU DDE 7796571 Manual
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Mercedes-Benz A B E W176 W212 W246 Fuel Pump Module Control Unit A0009006207
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BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Mini Cooper One R50 Heat Resistant Battery Box Cover 6915175
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Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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BMW E60 E63 E64 LCI Body module ECU 61356943062 6943062
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7542310 Manual
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Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148
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Skoda Yeti 5L BCM Body Control Onboard Supply Module Unit ECU 1K0937086C
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BMW MINI Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666
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BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9221110
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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518
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Starter Motor BMW E60 E81 E87 E90 F20 Bosch 0986021500 7521123
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BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Audi A6 C6 Keyless KESSY Entry Amplifier Box Module Aerial Antenna 4F0907247
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BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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Peugeot 207 Multifunction Display Screen Unit Module Dash Dashboard 9676655380
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Mini F55 F56 Central Cover Information Instrument Radio 8,8" 9367675
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Audi A4 B8 2.0 TDI CAGA Diesel Engine Starter Motor Bosch Unit 03L911021C
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BMW 7 X5 Series E53 E65 Bulb Parking Light Headlight Front Lighting Cover
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Part no. 9252816
BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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BMW F33 F83 M4 Convertible Rear Antenna Aerial Amplifier AM/FM 9273666
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BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
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Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
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Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Radio Boost CD Mini R50 R52 R53 Head Unit Audio Player 4154934
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Renault Trafic 2 Vauxhall Vivaro M9R 782 2.0 Diesel Engine Unit ECU 8200666516
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BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
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BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
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BMW F40 F45 Mini F55 F56 Front Suspension Strut Protective Cap Cable VDC 6876863
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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232
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Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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Mercedes W163 Battery Ground Earth Strap Cable Wiring A1635400841
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BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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BMW E81 E90 E91 E60 LCI Petrol Alternator Generator 180A 7550968
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Audi A5 8T Positive Battery Lead Terminal Cable Wiring 2.0 TFSI 8K0971228AH
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 9117532
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Mercedes-Benz A-Class W176 Brake ABS Pump Holder Bracket Mount A2464300210
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Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000
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Seat module BMW G11 G20 G30 G01 G02 Seat Control Unit Module ECU 9891562
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Part no. 06F903023J
Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
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Audi A3 8V Control Unit PDC Parking Sensor Daytona Grey - Z7S 5WA919297B
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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 .