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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. A2709060026-1
Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A6459060300
Product currently unavailable
-5%
Part no. A2709060700
Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
Product currently unavailable
Part no. A0024463340
Mercedes-Benz W169 W245 Petrol M266 Engine Control Module A2661538479 Manual
Product currently unavailable
Part no. A2129005712
Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712
Product currently unavailable
Part no. A1775404307
Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
Product currently unavailable
Part no. A9068200286
CD Radio Mercedes Vito W639 Sprinter W906 Audio Stereo Head Unit A9068200286
Product currently unavailable
Part no. A2478204102
Mercedes W907 Aux USB Port Socket A2478204102
Product currently unavailable
-40%
Part no. A2649001200-4
Mercedes W177 A35 AMG 306HP 260.920 4Matic Engine ECU Control Unit A2649001200
Product currently unavailable
Part no. A2139000323
Mercedes W213 Multifunction Front Camera Control Unit A2139000323
Product currently unavailable
Part no. A2059007147
Mercedes C205 Control Body Comfort Module Unit ECU A2059007147
Product currently unavailable
Part no. A1645402372-1
Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
Product currently unavailable
Part no. A2139006016
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139006016
Product currently unavailable
Part no. A2115420418
Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
Product currently unavailable
Part no. A1685403706
Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
Product currently unavailable
Part no. A2189009203
Mercedes W166 Headlight Lamp LED Control Module Left Right N/O/S A2189009203
Product currently unavailable
Part no. A0009059013
Mercedes W205 GLC X253 Distronic Radar Sensor Control Unit Module A0009059013
Product currently unavailable
Part no. A1699000400
Door Module Mercedes W169 W245 Control Unit Front Right O/S A1699000400
Product currently unavailable
Part no. A0345454332
Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
Product currently unavailable
Part no. A2119060700
Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
Product currently unavailable
Part no. A2711535491-1
Mercedes C209 CLK200 M271.955 184HP Engine ECU Kit Ignition A2711535491 Lock Key
Product currently unavailable
Part no. A1729000302
Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302
Product currently unavailable
Part no. A1775406500
Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
Product currently unavailable
-15%
Part no. A2125406462
Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
Product currently unavailable
Part no. A9065450401
Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
Product currently unavailable
Part no. A0038212851
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0038212851
Product currently unavailable
Part no. A2569001200
Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
Product currently unavailable
Part no. A2058200526-1
SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
Product currently unavailable
Part no. A2709002900-1
Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key
Product currently unavailable
Part no. A0111549302
Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
Product currently unavailable
Part no. A0005456916
Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
Product currently unavailable
Part no. A2035454932
Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
Product currently unavailable
Part no. A2139009022
SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
Product currently unavailable
-15%
Part no. A2065403645
Mercedes W206 Front Door Wiring Harness Cable Left Right N/O/S A2065403645
Product currently unavailable
-5%
Part no. A2118705426
Rain Sensor Mercedes W211 C219 Front Windscreen Control Unit A2118705426
Product currently unavailable
Part no. A2139063605
SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
Product currently unavailable
Part no. A0009825323
Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
Product currently unavailable
Part no. A6519004201-1
Mercedes GLE250 W166 OM651.960 204HP Engine ECU Kit Ignition + Key A6519004201
Product currently unavailable
Part no. A6519003603-2
Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
Product currently unavailable
Part no. A1645402830
Mercedes ML W164 Battery Positive Cable Wiring A1645402830
Product currently unavailable
Part no. A0009067703
Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703
Product currently unavailable
Part no. A1695401006
Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
Product currently unavailable
Part no. A0131542102
Alternator Mercedes Vito W639 OM646 Engine Alternator Generator A0131542102
Product currently unavailable
Part no. A2048704326
Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
Product currently unavailable
Part no. A2139062201-1
Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201
Product currently unavailable
Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
Product currently unavailable
Part no. A2048708926
Mercedes S204 Bootlid Control Unit Trunk Lid Module A2048708926
Product currently unavailable
Part no. A4479001707
Mercedes Vito W447 Comfort SAM Control Unit Module Fuse Box A4479001707
Product currently unavailable
Part no. A6399005400-2
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
Product currently unavailable
Part no. A2208208410
Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
Product currently unavailable
Part no. A0009822523
Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523
Product currently unavailable
Part no. A2218708292
Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
Product currently unavailable
Part no. A1669056001-1
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
Product currently unavailable
Part no. A1684620890-1
Mercedes-Benz A-Class W168 1 Automatic Transmission Bowden Cable A1682901585
Product currently unavailable
Part no. A6421509078-1
Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
Product currently unavailable
Part no. A2711504879
Mercedes W204 C180 Kompressor 271.952 156HP Engine Control Unit ECU A2711504879
Product currently unavailable
Part no. A0035464240
Mercedes W906 Distributor Box Battery Cable Unit A0035464240
Product currently unavailable
Part no. A2465407711
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711
Product currently unavailable
Part no. A2909064100
Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100
Product currently unavailable
Part no. A6519003403-2
Mercedes W906 314CDI OM651.955 143HP Engine Unit Module ECU Kit A6519003403
Product currently unavailable
Part no. A2721540102
Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
Product currently unavailable
Part no. A6519009402-1
Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
Product currently unavailable
Part no. A2118704789
Radio Head Unit Mercedes C219 W211 CD Player Audio Navi A2118704789
Product currently unavailable
Part no. A0009068504
Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504
Product currently unavailable
-40%
Part no. A1569005303
Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
Product currently unavailable
Part no. A6681500033
Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
Product currently unavailable
Part no. A2218703787
Voice Control Module Mercedes W221 Linguatronic Input System Dutch A2218703787
Product currently unavailable
Part no. A0111548402
Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402
Product currently unavailable
Part no. A6519003403-3
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
Product currently unavailable
-5%
Part no. A0005427700
Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700
Product currently unavailable
Part no. A0141541302
Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522
Product currently unavailable
-5%
Part no. A1695405645
Mercedes W169 SAM Control Module Fuse Box Unit A1695405645
Product currently unavailable
Part no. A2115453532
Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532
Product currently unavailable
Part no. A2535402400
Mercedes X253 Front Bumper Parking Sensor Wiring Loom Cable Harness A2535402400
Product currently unavailable
Part no. 1368035080
Battery Tray Citroen Relay Fiat Ducato Battery Housing Box Tray 1368035080
Product currently unavailable
Part no. A6519007401-4
Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
Product currently unavailable
Part no. A2118701985
Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
Product currently unavailable
Part no. A6429005601
Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
Product currently unavailable
Part no. A0009015303
Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214
Product currently unavailable
Part no. A2821503400
Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
Product currently unavailable
Part no. A2118702489
Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
Product currently unavailable
Part no. A1669006311
Mercedes W166 Tailgate Control Module Unit A1669006311
Product currently unavailable
Part no. A0005458416
Mercedes W639 Automatic Gearbox Control Unit Module ECU A0005458416
Product currently unavailable
Part no. A1669008222
Mercedes GLA X156 Central Display Infotainment Sat Nav Media Screen A1669008222
Product currently unavailable
Part no. A2139008409
Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409
Product currently unavailable
Part no. A6394460332
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332
Product currently unavailable
Part no. A1695400762
Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
Product currently unavailable
Part no. A2118702085
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
Product currently unavailable
Part no. A2308204226
Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
Product currently unavailable
Part no. A0009050410
Mercedes W176 W205 C207 W212 Front Radar Distance Sensor Unit Module A0009050410
Product currently unavailable
Part no. A2118205785
Mercedes W211 S211 Airbag System Control Unit Module ECU
Product currently unavailable
Part no. A2059008618-1
Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
Product currently unavailable
Part no. A6079002000-1
Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
Product currently unavailable
Part no. A0245458432
Mercedes W210 Petrol M112 Automatic Transmission Control Module A0245458432
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. A2469069600
Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
Product currently unavailable
Part no. A2128702951
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
Product currently unavailable
Part no. A2129007104
Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104
Product currently unavailable
Part no. A2095451101
Fuse Box Mercedes W203 W209 Front Relay Control Unit Module SAM A2095451101
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 .