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. A1705450003
Mercedes SLK R170 Fuse Relay Box Cover Trim Panel Lid Housing A1705450003
Product currently unavailable
Part no. A2035407907
Mercedes-Benz C W203 200 220 CDI Starter Alternator Wiring Cables A2035407907
Product currently unavailable
Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
Product currently unavailable
Part no. A2139052503
Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
Product currently unavailable
Part no. A0009009935
Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
Product currently unavailable
Part no. A2034404913
Mercedes-Benz CLC CL203 Rear Tailgate Boot Lid Wiring Harness Loom A2034404913
Product currently unavailable
Part no. A6121536379-2
Mercedes ML W163 270 CDI Engine Control ECU Kit Key Automatic A6121536379
Product currently unavailable
Part no. A6519009901-2
Mercedes C207 E220CDI BlueTec 170HP OM651.924 Engine Unit ECU Set A6519009901
Product currently unavailable
Part no. A2118704726
Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
Product currently unavailable
Part no. A0009062003
Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
Product currently unavailable
Part no. A2218208089
Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
Product currently unavailable
Part no. A0009067902
Mercedes W204 S204 C204 Alternator Generator 150A 14V 1.8 Petrol A0009067902
Product currently unavailable
Part no. A2115403432
Mercedes-Benz E -Class S211 Touring Wiring Harness Cable Rear A2115403432
Product currently unavailable
Part no. A1408202526
Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
Product currently unavailable
Part no. A2129005212-1
Head Unit Mercedes W212 Radio Navi CD Player For Parts Not Working A2129005212
Product currently unavailable
Part no. A9079007407
Mercedes Sprinter W907 W910 Body Control Module ECU A9079007407
Product currently unavailable
Part no. A2035408505
Mercedes-Benz C W203 Rear Tailgate Boot Lid Wiring Harness Loom A2035408505
Product currently unavailable
Part no. A6398200942
Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942
Product currently unavailable
Part no. A2139063605
SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
Product currently unavailable
Part no. A0315450732
Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
Product currently unavailable
Part no. A0131541702
Alternator Mercedes W638 OM611 Engine Alternator Generator A0131541702
Product currently unavailable
Part no. A2118707226
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
Product currently unavailable
Part no. A1031550435
Mercedes W124 M103 Bracket Alternator Mount Holder Support A1031550435
Product currently unavailable
Part no. A1648204189
Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
Product currently unavailable
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
Product currently unavailable
Part no. A0009055504-TNG1
Mercedes W166 C207 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
Product currently unavailable
Part no. A2319006107
Mercedes R231 Electrical Active Body Control Module Unit ECU A2319006107
Product currently unavailable
Part no. A6401502433
Engine Wiring Mercedes W169 W245 OM640 Cable Loom Harness A6401502433
Product currently unavailable
Part no. A2139009022
SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
Product currently unavailable
Part no. A6469002700
Mercedes Vito W639 OM646.980 Engine Control Unit ECU Module A6469002700 Manual
Product currently unavailable
Part no. A6519007500-7
Mercedes A207 C207 E220 CDI 651.911 BE Engine ECU Kit Ignition + Key A6519007500
Product currently unavailable
Part no. A1775406500
Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
Product currently unavailable
Part no. A2465400512
Seat Wiring Mercedes C117 Front Seat Left Wiring Harness a2465400512
Product currently unavailable
Part no. 2240962
MIni R50 R53 PDC Front Parking Sensor Assist Control Module Set Royal Grey
Product currently unavailable
Part no. lhd-A2215403310
Mercedes W221 Battery Electrical Ground Line Wire Earth Cable A2215403310
Product currently unavailable
Part no. A6461504233
Mercedes Sprinter W906 OM646 Diesel Engine Wiring Harness Loom Cable A6461504233
Product currently unavailable
Part no. A6401500100-1
Mercedes W169 A160 CDI OM640.942 82HP ECU Kit A6401500100 Keys Lock Automatic
Product currently unavailable
Part no. A2098700289
Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098700289
Product currently unavailable
Part no. A1635401208
Mercedes-Benz ML-Class W163 Inboard Cable Harness Wiring A1635401208
Product currently unavailable
Part no. A2085403508
Mercedes-Benz W202 C208 W208 Parking Sensor Wiring Cable Rear PDC A2085403508
Product currently unavailable
Part no. A2038206426
Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038206426
Product currently unavailable
Part no. A6461541102-3
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
Product currently unavailable
Part no. A2107600004
Mercedes-Benz E W210 Front Left Right Door N/O/S Lock Bowden Pull Cable
Product currently unavailable
Part no. A2469005010
Mercedes W176 W246 Parktronic Parking Control Unit Module ECU A2469005010
Product currently unavailable
Part no. A1665400841
Ground Line Mercedes ML W166 Battery Earth Negative Cable Wire A1665400841
Product currently unavailable
Part no. A9100005999
Mercedes Sprinter W910 Cable Wiring Loom Harnesses A9100005999
Product currently unavailable
Part no. A0038207326
Mercedes W221 Rear Door Module Control Unit Left N/S ECU A0038207326
Product currently unavailable
Part no. A2129003702
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003702
Product currently unavailable
Part no. a6394460317
Mercedes Vito W639 Suspension Level Control Unit Module ECU A6394460317
Product currently unavailable
Part no. A6394405009
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405009
Product currently unavailable
Part no. A1698700689-2
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
Product currently unavailable
Part no. A0009068706
Mercedes W205 C43 Alternator Generator VALEO 200A 3.0 Petrol A0009068706
Product currently unavailable
Part no. A2038201285
Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
Product currently unavailable
Part no. A2129009916
Mercedes S212 Rear Tailgate Boot Trunk Lid Control Module Unit A2129009916
Product currently unavailable
Part no. A2055403103
Alternator Starter Wiring Harness Mercedes W205 GLC C253 OM651 A2055403103
Product currently unavailable
Part no. A2035407308
Mercedes-Benz C-Class W203 Rear Left Right Door Wiring Loom Harness A2035407308
Product currently unavailable
Part no. A6399003701
Mercedes W639 Tire Tyre Pressure Control Module Unit A6399003701
Product currently unavailable
Part no. A6429002900-7
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key + Lock
Product currently unavailable
Part no. A9065460221
Battery Cable Mercedes Sprinter W906 Negative Lead Wiring Harness A9065460221
Product currently unavailable
Part no. A2129005524
Mercedes W212 Aimatic Suspension Control Unit Complete Module A2129005524
Product currently unavailable
Part no. A2709000900
Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900
Product currently unavailable
Part no. A0009062302-1
Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530
Product currently unavailable
Part no. A2711534279-1
Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
Product currently unavailable
Part no. A2035407608
Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
Product currently unavailable
Part no. A0005429523
Mercedes-Benz C CLK W202 W208 Left N/S Parking System Warning Display Screen
Product currently unavailable
Part no. A1669003712
Mercedes ML W166 SAM Module Control Unit ECU A1669003712
Product currently unavailable
Part no. A2829062000
Starter Motor Mercedes C118 W177 C247 Petrol OM282 Starter Motor A2829062000
Product currently unavailable
Part no. A6681530979
Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
Product currently unavailable
Part no. A0005429223
Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
Product currently unavailable
Part no. A0009008905
Windscreen Camera Mercedes W207 W212 W246 Front Control Unit Module A0009008905
Product currently unavailable
Part no. A1644460710
Mercedes W221 DSM ISM Automatic Gearbox Control Unit Module ECU A1644460710
Product currently unavailable
Part no. A9065403627
Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
Product currently unavailable
Part no. A9065402727
Mercedes Sprinter W906 OM651 Engine Wiring Harness Cable Loom A9065402727
Product currently unavailable
Part no. A2108206526
Mercedes-Benz E W210 Seat Memory Control Unit Module Front Left A2108206526
Product currently unavailable
Part no. A2469009512
Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
Product currently unavailable
Part no. A2479067502-1
Mercedes C118 W177 W247 Battery Terminal Limiter Bracket Unit A2479067502
Product currently unavailable
Part no. A2139006633
Mercedes X253 Central Control Unit Electronic Module A2139006633
Product currently unavailable
Part no. A0009007907
Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
Product currently unavailable
Part no. A2661501233
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
Product currently unavailable
Part no. A2761508800
Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
Product currently unavailable
Part no. A2036901430
Mercedes C CLC Class CL203 W203 Rear SAM Unit Fuse Box Trim Cover A2036901430
Product currently unavailable
Part no. A2085400073
Mercedes-Benz C CLK W202 W208 Gearbox Control Module Bracket Holder A2085400073
Product currently unavailable
Part no. A2108206626
Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
Product currently unavailable
Part no. A2215407545
Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545
Product currently unavailable
Part no. A2711504233
Engine Wiring Mercedes W204 W212 M271 Petrol Harness Loom Cable A2711504233
Product currently unavailable
Part no. A0009000646
Parktronic Mercedes C118 C167 W177 W247 Parking Control Unit Module A0009000646
Product currently unavailable
Part no. A1715403932
Mercedes SLK R171 Rear Bumper PDC Wiring Loom Parking Sensor Cable A1715403932
Product currently unavailable
Part no. lhd-A2215401250
Mercedes W221 Prefuse Fuse Distribution Box Unit Front A2215401250
Product currently unavailable
Part no. A2028281114
Mercedes-Benz C CLK W202 W208 Alarm Control Module Bracket Holder A2028281114
Product currently unavailable
Part no. A6461500678
Mercedes Vito W639 109 CDI 646.981 95HP Engine Unit ECU A6461500678 Manual
Product currently unavailable
Part no. A0009004434-1
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
Product currently unavailable
Part no. A2119060700
Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
Product currently unavailable
Part no. A2135401217
Mercedes W213 OM642 Diesel Engine Alternator Wiring Loom Harness A2135401217
Product currently unavailable
Part no. A6549009600-1
Mercedes W177 A180 CDI OM654.920 Engine Control Unit Module ECU A6549009600
Product currently unavailable
Part no. A2115458601-1
Fuse Box Mercedes W211 CLS C219 Rear SAM Module Relay Control Unit A2115458601
Product currently unavailable
Part no. A1638200726
Mercedes ML W163 Window Windscreen Rain Light Sensor Module A1638200726
Product currently unavailable
Part no. A1635422218
Mercedes ML W163 SRS Control Module Sensor Unit Temic A1635422218
Product currently unavailable
Part no. A2129003908-1
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
Product currently unavailable
Part no. A2319007306-1
Mercedes R231 SAM Module Control Unit Fuse Relay Box Rear A2319007306
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 .