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. 9160101
BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Part no. A2095452001
Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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BMW E93 Convertible Rear Bumper PDC Cables Wiring Loom Set 9133625
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Mercedes-Benz M-Class ML W163 Gearbox Transmission Control Unit ECU A0305454632
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Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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Part no. A6399002900
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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Part no. 7811700-5
BMW 1 3 Series E81 E87 LCI E90 N47 120d 320d 177HP ECU Kit DDE 7811700 CAS3 Key
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Part no. 3457526
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457526
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Part no. 9258350-1
Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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BMW E82 Footwell Light Module LOW PL2 FRM II 61359197176 9197176
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Part no. 7649090-1
Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
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Part no. 9195756-2
BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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Part no. 9380947
BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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Part no. A2098204189
Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Part no. 243501820R
Vauxhall Vivaro B Renault Trafic 3 Fuse Box Battery Terminal Module 243501820R
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Part no. A6511502620
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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Part no. A2215408845
Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Part no. A2129008404
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129008404
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Part no. A2128703689
Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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Part no. A2118701310
Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310
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Part no. A1715400506
Mercedes SLK R171 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1715400506
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Part no. 8642704
Mini One F56 B38 102HP Petrol Engine ECU Control Unit DDE 8642704 Manual
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Part no. 7388490-1
BMW F31 Touring Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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Part no. 7787925
Range Rover L322 3.0 Starter Motor Diesel Engine Denso 7787925
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Part no. 7545789-6
Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission
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Part no. A6421501230
Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
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Part no. A2125452640
Mercedes W212 Control Unit Module Bracket Holder Mount A2125452640
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Part no. 7544610
BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Part no. 7641003-4
Mini Cooper S R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + 2 Keys Manual
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Part no. 8585225-1
Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8585225 BDC Key Manual
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Part no. 8486844-1
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DDE 8486844 BDC Key
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Part no. 9318777
BMW F10 F11 Pedestrian Protection Sensor F-Optic Control Unit 9318777
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Part no. A1718200386
Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Part no. A2035400050
Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Part no. A0215455632
Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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Part no. 8798185
BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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Part no. A9015400631
Earth Ground Cable Mercedes Sprinter W901 Battery Wiring Loom Engine A9015400631
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Part no. A9065403627
Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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Part no. A2049007202
Mercedes W204 Navigation Radio CD Player Head Unit A2049007202
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Part no. A0055422118
Yaw Sensor Mercedes R171 W203 W209 ESP Rotation Rate Unit Module A0055422118
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Part no. 7316145
BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Part no. A2035453801
Fuse Box Mercedes W203 C209 Rear SAM Module Relay Control Unit A2035453801
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Part no. 9224617
BMW X5 E70 Footwell ECU Light Control Unit Module FRM IIIR Lear 9224617
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Part no. A2045454701
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501
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Part no. 9378072
BMW F23 Cabrio Convertible Folding Top Module CVM 8 Unit 9378072
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Part no. 9348728
BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728
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Part no. A0055421818
Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Part no. A2046800931
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931
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Part no. A2045453901
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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Part no. A2048208285
Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Part no. A2465402710
Mercedes W176 W246 Emergency Call Switch Roof Wiring Cable Loom A2465402710
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Part no. 6943851
BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851
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Part no. A2118208185
Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185
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Part no. A2118208285
Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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Part no. 9273628-1
BMW F10 Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. A1715451301
Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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Part no. A1699002400
Mercedes W169 CD Navi Media Player Radio COMAND Head Unit A1699002400
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Part no. 9808674780
Citroen Berlingo ECU Bracket Control Unit Module Holder Mount 9808674780
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Part no. 6H5214C708AD
Land Rover Freelander 2 Front Seat Module Memory Control Unit 6H5214C708AD
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Part no. 8200568535
Renault Trafic Opel Vivaro Diesel Starter Motor 8200568535
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Part no. A2048982614
Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Part no. BK3T11000FA
Starter Motor Ford Transit 2.2 TDCI Diesel Engine BK3T11000FA
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Part no. A6394408637
Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
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Part no. A1718204226
Mercedes R171 Convertible Roof Top Control Unit Module ECU A1718204226
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Part no. A2044400538
Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538
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Part no. A2044400638
Mercedes C204 Wiring Cable Harness Front Passenger Door Wiring Loom A2044400638
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Part no. 9678048880
Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880
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Part no. 3457429
Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Part no. A6394408537
Mercedes W639 Front Bumper PDC Wiring Parking Sensor Loom Harness A6394408537
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Part no. 7936364
Mini F55 F56 F57 Integrated Supply Module Z11 Control Unit Module 7936364
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Part no. A2118704585
Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Part no. A0009105202
Mercedes ML W164 Lumbar Module Front Seat Control Unit A0009105202
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Part no. A2198202326
Mercedes CLS W219 Door Module Front Left N/S Control Unit Module A2198202326
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Part no. A6681540102
Mercedes W168 OM668 Diesel Alternator Generator A6681540102
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Part no. A2078210411
Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
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Part no. A6681500033
Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
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Part no. A1669056001-1
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Part no. A2119060700
Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
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Part no. 3457434
Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
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Part no. 8507202-1
BMW E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Manual
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Part no. 7809002-1
BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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Part no. 8591073
BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
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Part no. A9079001703
Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703
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Part no. A1678201302
Mercedes W167 W256 USB Charger Connecting Unit A1678201302
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Part no. 6981569
BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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Part no. A9100005999
Mercedes Sprinter W910 Cable Wiring Loom Harnesses A9100005999
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Part no. 7559178-5
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. A2115409605
Mercedes W211 Rain Light Sensor Control Unit Wiring Loom Cable A2115409605
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Part no. 7616431-2
BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic
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Part no. 9141682-2
BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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Part no. 9222855
BMW X5 X6 Series E70 E71 Navigation System Car Computer CIC 9222855
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Part no. 9197002
BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002
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Part no. 9205279
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279
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Part no. 6782283-1
BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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Part no. A2118704085
Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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Part no. 6962424
On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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Part no. A2115420418
Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
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Part no. A2038209385
Mercedes CL203 C209 Bi-Xenon Headlight Ballast Control Unit Module A2038209385
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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 .