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
-5%
Part no. 283930431R
Roof Microphone Mercedes Citan W415 Interior Mic Unit Wiring Cable 283930431R
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1665459340
Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A9068270005
Mercedes W639 W906 Voltage Stabilizer Control Unit Module A9068270005
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2044406135
Mercedes W204 Door Harness Loom Cable Wiring Rear Right O/S A2044406135
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A6519007500-26
Mercedes W204 W212 C220CDI 170HP OM651.911 Engine Control ECU A6519007500 Manual
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1729008500-3
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1669005417
Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2389009000
Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2044405935
Mercedes W204 Door Card Harness Loom Cable Wiring Front Left N/S A2044405935
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2319052600
Mercedes R172 Security Alarm Interior Protection Sensor Module Unit A2319052600
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2048701226
Mercedes S204 Door Module Rear Right O/S Control Unit ECU A2048701226
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1679006613
Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613
Promo price
€99.95
€84.96
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009820912
Mercedes W176 W222 W246 Voltage Converter Power Distributor Fuse A0009820912
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1665400141
Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0015467435
Battery Cover Mercedes W906 Battery Positive Pole Cover Red A0015467435
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A6399001001
Mercedes W639 PDC Parking Park Sensor Distance Control Module A9064460046
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2466200514
Mount Support Mercedes W176 Battery Bracket Holder A2466200514
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A9065420044
Mercedes W906 Bracket Mount Fuse Distribution Box A9065420044
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A6511508300
Engine Wiring Mercedes W910 OM651.958 Diesel Harness Loom Cable A6511508300
Promo price
€170.95
€145.31
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2048701126
Mercedes S204 Door Module Rear Left N/S Control Unit ECU A2048701126
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2048207485
Mercedes W204 Front Door Control Unit Module Right O/S A2048207485
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2129004206
Door Module Mercedes W212 E-Class Rear Right O/S Control Unit A2129004206
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2059003740
Mercedes A205 Convertible Comfort Control Unit Module A2059003740
Promo price
€85.95
€51.57
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2129000406
Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1779001203
Mercedes W177 Door Control Module Rear Left Right N/O/S A1779001203
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2909003001
Mercedes C238 E53 4matic Transfer Case Torque Distribution Control ECU
€379.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2118705026
Passenger Seat Module Mercedes W164 W203 W211 Memory Control Unit A2118705026
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0035420219
Relay Mercedes W639 W906 5-Pin Black 12A A0035420219
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009054807
Mercedes W118 W177 W206 W247 NOX Sensor A0009054807
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2215401833
Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215401833
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2465402705
Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2059008218
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008218
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1779008511
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779008511
Promo price
€47.95
€40.76
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2218230050
Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0009052200
Windscreen Camera Mercedes W209 W212 W221 Front Control Unit Module A0009052200
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1679008406
Mercedes W167 W177 W247 Ignition Engine Control Unit Module A1679008406
Promo price
€170.95
€145.31
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2219004704
Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704
Promo price
€807.95
€484.77
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2475400700
Mercedes W177 Rear Axle Wheel RPM Speed Left N/S Sensor Wire Harness A2475400700
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2139007436
Mercedes W177 W213 Gearbox Transmission Control Module Unit ECU A2139007436
€80.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2048200015
Telephone Cable Mercedes W204 C207 W212 Wiring Adapter Line A2048200015
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2135452040
Mercedes W213 Head Unit Bracket Control Unit Module Holder Mount A2135452040
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2129009622
Mercedes W212 Fuse Box Relay Rear SAM Control Unit Module A2129009622
Promo price
€51.95
€31.17
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2189015200
Mercedes X218 Air Module Control Unit ECU Module A2189015200
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0035420219-1
Relay Mercedes W639 W906 5-Pin Black 12V 20A A0035420219 Set X2
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2215402062
Fuel Pump Module Mercedes ML W164 W204 Petrol Control Unit ECU A2215402062
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2059006013
Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059006013
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2118205885
Mercedes E-Class S-Class W211 W220 Nokia Phone Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2059005713
Door Module Mercedes W205 Front Left N/S Door Control Module Unit A2059005713
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1779005409
Door Module Mercedes C118 W177 H243 Front Right O/S Door Control A1779005409
€80.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0045467540
Mercedes W204 W221 Distributor Box Block Control Unit Relay A0045467540
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2059068501-1
Fuse Box Mercedes W205 S205 W213 Fuse Box Front Relay Control Module A2059068501
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1635450440
Mercedes-Benz M-Class ML W163 Holder Bracket Engine Control Unit A1635450440
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1779005109
Door Module Mercedes C118 W177 H243 Front Left N/S Door Control A1779005409
Promo price
€123.95
€105.36
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A9066800214
Mercedes Sprinter W906 Radio Fan Adapter Cooling Control Unit Module A9066800214
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2479001709
Mercedes W907 Radio Control Unit ECU Module A2479001709
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0009005517
Mercedes W177 W205 W238 W257 Gearbox Control Unit Module ECU A0009005517
Promo price
€113.95
€96.86
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1636801080-1
Mercedes-Benz M-Class ML W163 1 Cover Footwell Fuse Box Trim Right A1636801080
Promo price
€33.95
€28.86
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A0038207926
Door Module Mercedes W221 Door Control Unit Module A0038207926
Promo price
€70.95
€42.57
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2215400850
Mercedes W221 Fuse Box Relay Control Unit Module A2215400850
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2075401102
Mercedes W207 A207 C207 Loudspeaker Cable Wiring Loom Harness
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2124406207
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124406207
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A6512012009
Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1636880035-1
Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2215460935
Mercedes W221 W216 Fuse Box Cover Control Unit Trim Panel Lid A2215460935
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2701504400
Mercedes W176 M270 Petrol Engine Wiring Harness Loom Cable A2701504400
Promo price
€189.95
€113.97
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1715450901
Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
€332.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2479003216
Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216
€474.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2124404851
Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2239052400
Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2518701889
Antenna Amplifier Mercedes W164 W251 Aerial Control Unit Module A2518701889
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2469005312
Mercedes X117 X156 W246 Relay Control Unit Module A2469005312
€75.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009050338
Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050338
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2189009003
Mercedes CLS C218 Front Headlight Xenon Ballast Control Module Unit A2189009003
€66.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009822112
Energy Distributor Mercedes W205 W238 Power Control Unit Module A0009822112
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A9075401805
Mercedes Sprinter W907 Battery Terminal Unit Connection Box A9075401805
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1775401629-1
Mercedes W177 Rear Bumper PDC Wiring Loom Parking Sensor A1775401629
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2139008730
Mercedes C253 W177 W205 W247 Gearbox Module Control ECU Automatic A2139008730
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A6681530979
Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2075400740
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2661538479-1
Mercedes W169 A150 Petrol M266.920 95HP Engine ECU Kit A2661538479 Automatic
Promo price
€180.95
€108.57
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2045400150
Mercedes-Benz C E Class W204 W207 Fuse Distribution Box Interior A2045400150
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1775407932
Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2129009908
Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009908
Promo price
€127.95
€76.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2129001829
Mercedes C207 W212 Front Right Door O/S Control Unit Module A2129001829
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1698700689-2
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2059000219
Mercedes C117 W176 W205 Telematics Module Communication Control Unit A2059000219
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2215400205
Mercedes W221 Brake Pad Wear Indicator Sensor Front Left Right N/O/S A2215400205
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0009068706
Mercedes W205 C43 Alternator Generator VALEO 200A 3.0 Petrol A0009068706
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0535450226
Mercedes Sprinter W906 Fuse Box Connector Plug Socket A0535450226
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2215402462
Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462
€42.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1765404609
Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
Promo price
€61.95
€52.66
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2129009916
Mercedes S212 Rear Tailgate Boot Trunk Lid Control Module Unit A2129009916
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2229004213-1
Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A6396641914
Mount Support Mercedes Vito W639 Battery Bracket Holder Mounting A6396641914
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2129001929
Mercedes W176 Keyless Control Module Unit ECU A2129001929
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2059007143
SAM Module Mercedes W205 Trunk Rear SAM Control Module A2059007143
Promo price
€132.95
€79.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2058201201
Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2034404432
PDC Wiring Mercedes CL203 Front Bumper Parking Sensor Loom Cable A2034404432
Promo price
€66.95
€40.17
Free delivery - Mon, Dec 29
If paid before 14:00
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 .