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.
GB
Make
Category
Subcategory
Condition
In Stock
Price
Part no. A0009003706
Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
Product currently unavailable
Part no. rhd-A2479007204
Display Screen Mercedes W177 W247 Instrument Cluster Speedo Meter A2479007204
Product currently unavailable
Part no. A2469069600
Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
Product currently unavailable
Part no. A0038212851
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0038212851
Product currently unavailable
Part no. A0045467640
Distributor Box Mercedes W204 W207 W221 Connector Block Control Unit A0045467640
Product currently unavailable
Part no. A2035454701
Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
Product currently unavailable
Part no. A9065450401
Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
Product currently unavailable
Part no. A2129000006
Fuse Box Mercedes W212 Front Relay Control Unit Electric Module SAM A2129000006
Product currently unavailable
Part no. A2045403850
Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850
Product currently unavailable
Part no. A0051517401
Starter Motor Mercedes W169 W245 Diesel Engine A0051517401
Product currently unavailable
Part no. A9075450100
Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
Product currently unavailable
Part no. A0055422618
Rate Sensor Mercedes W212 ESP Yaw Rotation Control Unit Module A0055422618
Product currently unavailable
Part no. 8200308271
Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
Product currently unavailable
-5%
Part no. A2038200389
Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
Product currently unavailable
Part no. A0345454332
Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
Product currently unavailable
Part no. A0051512101
Mercedes W168 W169 W245 Petrol Engine Starter Motor A0051512101
Product currently unavailable
Part no. A6398201026
Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
Product currently unavailable
-15%
Part no. A1695405645-1
Mercedes W169 SAM Module Control Fuse Box Unit A1695405645
Product currently unavailable
Part no. A0035420318
Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
Product currently unavailable
Part no. A1669001420
Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
Product currently unavailable
Part no. A2229067403
Mercedes W177 W247 M260 Exhaust Control Valve Flap Actuator Drive A2229067403
Product currently unavailable
Part no. A9065453001
Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
Product currently unavailable
Part no. A1729000402
Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
Product currently unavailable
Part no. A2098202126
Mercedes C209 Door Control Module Front Left N/S A2098201926
Product currently unavailable
Part no. rhd-A0051510101
Mercedes-Benz W202 W203 W208 W220 M112 M113 Engine Starter Motor A0051510101
Product currently unavailable
Part no. A1569007702
Signal Actuation Module Mercedes W176 W246 SAM Control Unit ECU A1569007702
Product currently unavailable
Part no. A0141542702
Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702
Product currently unavailable
Part no. A1665420018
Battery Cable Mercedes W176 Negative Lead Wiring Harness Control A1665420018
Product currently unavailable
Part no. A2125407050-1
Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050
Product currently unavailable
Part no. A1718200726
Mercedes R171 SLK200 Module Front Door Left Control Module Unit A1718200726
Product currently unavailable
Part no. A2466280041
Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
Product currently unavailable
-15%
Part no. A2048708826
Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
Product currently unavailable
-5%
Part no. A0009059300
Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300
Product currently unavailable
Part no. A2129005812
Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
Product currently unavailable
Part no. A9069003502
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069003502
Product currently unavailable
Part no. A0999004101
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999004101
Product currently unavailable
Part no. A9069000004
Mercedes Sprinter W906 Radio Player CD Audio 10 Stereo Head Unit A9069000004
Product currently unavailable
-15%
Part no. A6397601704
Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
Product currently unavailable
Part no. A2038703389
Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
Product currently unavailable
-15%
Part no. A0005455916
Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916
Product currently unavailable
Part no. rhd-A6395450403-1
Mercedes Vito Viano W639 Fuse Box Cover Trim Panel Lid Housing A6395450403
Product currently unavailable
Part no. A2035400050
Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
Product currently unavailable
Part no. rhd-A2479008605
Display Screen Mercedes W177 W247 Instrument Cluster Speedo Meter A2479008605
Product currently unavailable
Part no. A6395450301-2
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
Product currently unavailable
Part no. A2048207385
Mercedes-Benz C W204 Front Left Door N/S Control Unit Module A2048207385
Product currently unavailable
Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
Product currently unavailable
Part no. A0009824823
Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823
Product currently unavailable
Part no. A0001139065
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
Product currently unavailable
Part no. A2048208185
Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
Product currently unavailable
Part no. A2129003314
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
Product currently unavailable
Part no. rhd-A2045420918
Battery Sensor Mercedes W204 W212 Negative Minus Terminal Lead Cable A2045420918
Product currently unavailable
Part no. A1645400672
Fuse Box Mercedes ML W164 Relay Module Front Control Unit Module A1645400672
Product currently unavailable
Part no. A2513200058
Mercedes ML W164 W221 Air Suspension Valve Block Control Unit Module A2513200058
Product currently unavailable
Part no. A0028202426
Mercedes W211 Xenon Headlight Level Control Module A0028202426
Product currently unavailable
Part no. A9065453401
Mercedes Sprinter W906 Fuse Box Relay SAM Module Control Unit A9065453401
Product currently unavailable
Part no. A2049009501
Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501
Product currently unavailable
Part no. A2045403750
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045403750
Product currently unavailable
Part no. A1645403072
Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
Product currently unavailable
Part no. A1179009101
Mercedes-Benz A-Class W176 CLA C117 Rear View Camera Control Module Unit ECU
Product currently unavailable
Part no. A2049014503
Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503
Product currently unavailable
-5%
Part no. A2059008618
Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
Product currently unavailable
Part no. A1648209485
Mercedes ML W164 Door Module Front Right O/S Control Unit Module A1648209485
Product currently unavailable
Part no. rhd-A2218704489
Mercedes W221 Display Screen Multifunction Navigation Dashboard A2218704489
Product currently unavailable
Part no. A0141541102
Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102
Product currently unavailable
Part no. A9065454301
Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
Product currently unavailable
Part no. RHD-A9068303485
Mercedes Sprinter W906 Heater Climate Control A/C Unit Switch Panel A9068303485
Product currently unavailable
Part no. A1648701589
Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589
Product currently unavailable
Part no. A2035454932
Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
Product currently unavailable
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
Product currently unavailable
-5%
Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
Product currently unavailable
Part no. A2219006702
Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
Product currently unavailable
Part no. rhd-A0061519901
Starter Motor Mercedes W204 W212 OM642 Diesel Engine Starter A0061519901
Product currently unavailable
Part no. A2035453401
Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
Product currently unavailable
Part no. rhd-A0009052902
Mercedes W212 Negative Cable Battery Terminal Wiring A0009052902
Product currently unavailable
Part no. A2479067502
Mercedes W177 W247 Battery Terminal Limiter Bracket Unit A2479067502
Product currently unavailable
Part no. A1645402501
Sam Module Mercedes W164 Passenger Side SAM Fuse Relay Control Unit A1645402501
Product currently unavailable
Part no. A2049007408
Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
Product currently unavailable
Part no. A2711500391-7
Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
Product currently unavailable
Part no. A0061512501
Mercedes W203 W204 Diesel Engine Starter Motor A0061512501
Product currently unavailable
-40%
Part no. A9069004700
Mercedes-Benz Sprinter W906 Fuse Box SAM Control Unit Module A9069004700
Product currently unavailable
Part no. A9075402705
Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
Product currently unavailable
Part no. A1698206626
Mercedes W169 W245 Airbag System Control Unit Module ECU A1698206626
Product currently unavailable
Part no. A6399005400
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
Product currently unavailable
Part no. A9079001703
Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703
Product currently unavailable
Part no. A1649005101
Mercedes ML W164 W251 Rear SAM Module Control Unit ECU A1649005101
Product currently unavailable
Part no. A2098200085
Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
Product currently unavailable
Part no. rhd-A9066840137
Mercedes Sprinter W906 Tool Case Cover Floor Trim Grey A9066840137
Product currently unavailable
Part no. A0055461040
Energy Distributor Mercedes W204 W212 W906 Power Block Control Unit A0055461040
Product currently unavailable
Part no. A1695405645
Mercedes W169 SAM Control Module Fuse Box Unit A1695405645
Product currently unavailable
Part no. A9069006503
Door Module Mercedes W906 Front Left Right N/O/S Control Unit ECU A9069006503
Product currently unavailable
-5%
Part no. A0025428319
Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
Product currently unavailable
Part no. A2129008224
Headlight Control Module Mercedes W207 W212 Unit A2129008224
Product currently unavailable
Part no. A1679052401
Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
Product currently unavailable
Part no. A2129005213
Mercedes C204 Sound Audio Amplifier Unit Harman Becker A2129005213
Product currently unavailable
Part no. A1645453316
Mercedes ML W164 Parktronic Parking Control Unit Module A1645453316
Product currently unavailable
Part no. A2038707089
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038707089
Product currently unavailable
Part no. A9064401066
Mercedes Sprinter W906 W907 Positive Battery Cable Wiring A9064401066
Product currently unavailable
Part no. A1728201700
Mercedes W176 W246 USB Interface Multimedia Adapter Connector A1728201700
Product currently unavailable
Part no. A2129008307
Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307
Product currently unavailable
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 .