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. A2219007401
Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
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Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
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Mercedes W212 Fuse Box Relay Module Control Unit A2129002627
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Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
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Mercedes C209 CLK200 M271.955 184HP Engine ECU Kit Ignition A2711535491 Lock Key
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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186
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Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6511501879 Key Lock
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Mercedes W447 Comfort Control Unit Module A4479009509
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Mercedes W245 Front Bumper PDC Parking Distance Sensor Comet Grey - 748
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Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903
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Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
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Mercedes Sprinter W910 Cable Wiring Loom Harnesses A9100005999
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SAM Module Mercedes Sprinter W906 Fuse Box Relay Control Unit A9069006701
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Mercedes W204 Radio Stereo CD Player Audio Sat Nav Head Unit A2049069701
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Mercedes W177 Automatic Gearbox Wiring Loom Harness Cable A2517253714
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Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800
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Battery Junction Block Mercedes W176 W246 Battery Plus Pole Terminal A2469068601
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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A2095420018
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Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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Part no. A2219006404-1
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Part no. A2059001136
Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136
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Part no. A2049009510-1
Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049009510
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Part no. A2218702686
Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
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Part no. A2129008707
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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Part no. A1695405645
Mercedes W169 SAM Control Module Fuse Box Unit A1695405645
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Part no. A0009008402
Mercedes W204 W176 W212 Tyre Pressure Monitor Control Unit Module A0009008402
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Part no. A0061514601
Starter Motor Mercedes Sprinter W203 W204 W211 OM646 Diesel Engine A0061514601
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Part no. A2469067901-1
Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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Part no. A6291500450
Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450
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Part no. A6385454440
Mercedes W639 W906 Battery Terminal Fuse Box Control Unit Module A6385454440
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Part no. A2129006924
Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924
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Part no. A0038207326
Mercedes W221 Rear Door Module Control Unit Left N/S ECU A0038207326
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Part no. A2079012200
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079012200
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Part no. A2219006902
Mercedes Class W221 Rear Fuse Box Control Unit Module SAM A2219006902
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Part no. A2539052100
Mercedes GLC C253 X253 Pedestrian Protection Pressure Crash Sensor A2539052100
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Part no. A2035451003
Fuse Box Cover Mercedes W203 W209 Battery Terminal Housing Trim Cap A2035451003
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Part no. A2469000112
Radio Head Unit Mercedes C117 W176 W246 Navi CD Player Navigation A2469000112
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Part no. A2049007905
Mercedes W205 Towbar Trailer Hitch Control Module Unit ECU HELLA A2049007905
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Part no. A1669059302
Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Part no. A0038212851
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0038212851
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Part no. A2215460935
Mercedes W221 W216 Fuse Box Cover Control Unit Trim Panel Lid A2215460935
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Part no. A0009064022
Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
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Part no. A2038701689
Mercedes CL203 Antenna Amplifier Control Module Unit Aerial Booster A2038701689
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Part no. A1669006307
Mercedes GLE C292 ML W166 Door Control Module Rear Left N/S A1669006307
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Part no. A6110780149
Mercedes-Benz M-Class ML W163 Pressure Regulation Valve Fuel A6110780149
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Part no. A2049004711
Mercedes W204 Navigation CD Player Radio Sat Nav Head Unit A2049004711
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Part no. A1635450016
Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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Part no. A2139062607
Mercedes W213 SD Card Garmin Map Pilot Navi Europe 2019 A2139062607
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Part no. 1368035080
Battery Tray Citroen Relay Fiat Ducato Battery Housing Box Tray 1368035080
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Part no. A2198201926
Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926
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Part no. A2059001722
Computer Mercedes W205 X253 W447 Navigation Radio Player Head Unit A2059001722
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Part no. A2465452840
Mercedes-Benz A B W176 W246 Control Module Housing Bracket Mount A2465452840
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Part no. A2139002522
Control Unit Mercedes W213 W217 Front Right O/S Door Control Module A2139002522
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Part no. A2105401830
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
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Part no. A1644406532
Mercedes ML W164 Diesel OM629 Wiring Alternator Starter Harness A1644406532
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Part no. A1698203775
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203775
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Part no. A1775406500
Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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Part no. A0002703352
Mercedes W164 C207 Automatic Gearbox ECU Control Unit EGS Module A0002703352
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Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
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Part no. A0009060205
Mercedes W213 C238 Petrol Alternator Generator A0009060205
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Part no. A2139000407
Mercedes W213 Air Con Conditioning Module A/C Climate Control Unit A2139000407
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Part no. A1669004302
Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
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Part no. A1718207226
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207226
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Part no. A1715404945
Mercedes R171 Central Gateway Module ECU Control Unit A1715404945
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Part no. A6461501077
Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual
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Part no. A2075401650
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
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Part no. A1699010100-1
Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
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Part no. A6511503233
Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE A6511503233
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Part no. A1698202985
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698202985
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Part no. A0051511301
Mercedes W203 W211 Diesel Engine Starter Motor A0051511301
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Part no. A9069003502
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069003502
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Part no. A6079002300-2
Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Key Lock
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Part no. A6395450301
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. A2218206397
Mercedes-Benz S W221 Rear View Reversing Camera Video Unit Park A2218206397
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Part no. A0101540802
Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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Part no. A2711508833
Engine Wiring Harness Mercedes W204 M271.820 Petrol Loom Cable A2711508833
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Part no. 307873750AA
Mercedes W176 Steering Wheel Wiring Loom Harness 307873750AA
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Part no. A2219009603
Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Mercedes W205 X253 Wiring Cable Harness Center Console A2054403008
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Mercedes W177 W247 Telematics Bluetooth Module Control Unit ECU A0009004434
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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Mercedes W205 W212 W246 Parking Distance Sensor Set x2 Cavansite Blue - 890
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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Parktronic Mercedes Sprinter W901 W903 Front Bumper PDC Wiring Loom Harness
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Mercedes-Benz A-Class W176 Brake ABS Pump Holder Bracket Mount A2464300210
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Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461500977 Manual
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Mercedes-Benz A-Class W168 Sensor Mat Seat Occupation Recognition A1688207310
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Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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Part no. A2535402605
Mercedes GLC X253 Rear Bumper Wiring Loom PDC Harness Parking Sensor A2535402605
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Mercedes Viano Vito W639 Wiring Harness Tailgate License Plate Lamp A6394404809
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Part no. A6429009900
Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Part no. A0009827723-1
Mercedes W176 W204 W246 Fuse Relay 4-Pin Unit Black Hella SET X2 A0009827723
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Part no. A2059005122
Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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Part no. A9060034099
Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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Part no. A2139062610
SD Card Mercedes X156 W176 W205 Garmin Map Pilot Navigation Europe A2139062610
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Part no. A2218201811-2
Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811
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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 .