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
-40%
Part no. A6291501779
ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic
Promo price
€104.95
€62.97
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2055406304
Mercedes W205 Hybrid Battery Cable Starter Wiring Loom Harness A2055406304
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A0009062103
Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0141541102
Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102
Promo price
€94.95
€80.71
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2075402013
Door Cable Mercedes W212 Wiring Loom Front Left Right Door N/O/S A2075402013
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2129003414
Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2319009106
Door Module Mercedes R231 Front Door Right O/S Control Module A2319009106
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2229009910
Mercedes W205 W213 C238 Seat Heating Heater Module Control Unit ECU A2229009910
Promo price
€66.95
€56.91
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0131541702
Alternator Mercedes W638 OM611 Engine Alternator Generator A0131541702
Promo price
€85.95
€73.06
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. a0045468040
Mercedes W204 W212 W221 Power Distributor Box Conectors Socket A0045468040
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2229000016
Entry Module Mercedes C253 W205 W213 C238 Keyless Go Control Unit A2229000016
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2139065706-1
Fuse Box Mercedes W205 W213 Front Engine Compatment Relay Module A2139065706
Promo price
€51.95
€31.17
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2059006213
Mercedes W205 Rear Door Module Control Unit ECU Left N/S A2059006213
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2129007124
Mercedes W212 Fuse Box SAM Control Module Unit ECU A2129007124
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2710106644-2
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU Kit A2710106644 Key Lock
€237.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A6402002770-1
Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2056186000
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186000
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0048201910
Mercedes W124 E280 Acceleration Sensor For Belt Locking Retractor A0048201910
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2048704626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A1668200400
Mercedes GLE W166 C292 Front Seat Occupancy Sensor Wire Harness A1668200400
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A1779008103
Mercedes W177 W247 Telematics Module Communication Control Unit A1779008103
€66.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2045452647
Mercedes W204 Aerial Antenna Control Unit Bracket Holder Mount A2045452647
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0009001017
Mercedes S205 W205 Air Conditioning Control Module A/C ECU Unit A0009001017
Promo price
€33.95
€28.86
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2059006651
Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651
Promo price
€398.95
€239.37
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A6429002900-4
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key Lock
Promo price
€503.95
€302.37
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0009006302
Mercedes W176 Automatic Gearbox Transmission Module Control Unit ECU A0009006302
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2129003408
Mercedes W204 W221 Fuel Pump Module Control Unit A2129003408
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A4475400053
Mercedes Vito W447 Negative Battery Cable A4475400053
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2465453740
Mercedes-Benz A B Class W176 W246 Rear Fuel Pump Control Unit Bracket Holder
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2479004707
Mercedes W177 Dynamic Adaptive Suspension System Control Unit Module A2479004707
€99.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1729009302
Mercedes W212 W221 Media Interface Control Unit Module A1729009302
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2465408111
Mercedes W246 Door Wiring Loom Cable Front Right A2465408111
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2465400340-2
Mercedes W176 Fuse Relay Box Control Unit A2465400340 A2465400140
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0035420419
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Black A0035420419
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1698203185
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698203185
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1775408609
Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2128204713
Seat Wiring Mercedes W212 Front Loom Harness Passenger Side A2128204713
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0035420219-3
Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue A0035420219
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2469005312
Mercedes X117 X156 W246 Relay Control Unit Module A2469005312
Promo price
€75.95
€45.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2129004106
Door Module Mercedes W212 Rear Left N/S Control Unit A2129004106
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A9079002407
Mercedes W907 Electronic Ignition Module Control Unit A9079002407
Promo price
€161.95
€97.17
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2469000717
Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469000717
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2048708026
Mercedes W204 Media Interface Control Unit Module ECU A2048708026
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0009820112
Mercedes W177 W207 Power Energy Distribution Unit Module A0009820112
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2465402050
Mercedes W176 Fuse Box Control Unit SAM Module Relay A2465402050
Promo price
€51.95
€31.17
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2661503133
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661503133
Promo price
€113.95
€96.86
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A6511504133
Mercedes W204 W212 Engine Wiring Diesel Harness Loom Cable E250 CDI A6511504633
Promo price
€94.95
€56.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. N000000004325
Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2118703226
Mercedes W245 Bluetooth Control Unit Module Hands Free A2118703226
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1679003418
Mercedes W205 C253 W257 Door Module Rear Left N/S Control Unit ECU A1679003418
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2789060600
Mercedes W166 R172 W205 C207 W212 C216 Engine Starter Motor 12V A2789060600
€51.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2045409907
Mercedes W204 Battery Wiring Cable Harness Loom A2045409907
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A0009001810
Windshield Camera Mercedes W166 R172 Driver Assist Front Camera A0009001810
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A0024463140-4
Mercedes W169 A160 CDI 95HP M266.920 Engine ECU Kit A0024463140 Automatic
Promo price
€222.95
€133.77
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
Promo price
€66.95
€40.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1775405801
Mercedes W177 W247 Door Wiring Rear Left Right Cable Harness A1775405801
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A9078209600
Mercedes W907 L2H2 Electric Radio Player Head Unit A9078209600
Promo price
€218.95
€186.11
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1646803535
Mercedes-Benz M-Class ML W164 B-Pillar Trim Cover Bottom Left N/S A1646801935
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2059006537
Mercedes C205 Coupe Air Bag Control Module ECU A2059006537
Promo price
€170.95
€102.57
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2049060205-1
Mercedes C204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A6394404906
Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A0009004839
Mercedes C118 W177 C247 Battery Control Module Unit ECU A0009004839
€284.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2049012704
Mercedes W204 ECU Control Unit Crash Impact Sensor Air Module A2049012704
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A0009009213
Mercedes W447 Fuel Pump Control Module A0009009213
Promo price
€85.95
€51.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2045409813
Battery Cable Mercedes W204 W207 Positive Wiring Harness Loom A2045409813
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2218708992
Mercedes W221 C216 Telephone Bluetooth Connection Control Module A2218708992
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0009008718
Climate Control Module Mercedes W205 W213 Air Conditioning A/C Unit A0009008718
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2129060005
Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060005
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1718701410
Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410
Promo price
€94.95
€80.71
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2125400080
Mercedes W212 Fuse Box Housing Relay Unit Module A2125400080
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2218700693
Mercedes W221 Navigation CD DVD Player Changer Unit A2218700693
€417.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2218101817
Mercedes-Benz W221 Rear Left Right N/O/S Headlining Interior Mirror A2218101817
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. lhd-A2215403310
Mercedes W221 Battery Electrical Ground Line Wire Earth Cable A2215403310
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0121542002
Mercedes W903 OM611 Diesel Alternator Engine Generator 14V 90A A0121542002
Promo price
€108.95
€92.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1644407110
Mercedes W164 Wiring Loom Cable Harness Door Rear Left Right A1644407110
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A6519007401-3
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
€189.95
€161.46
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A2465451500
Mercedes W176 Control Unit Bracket Holder Mount A2465451500
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A1768200361-2
Mercedes W176 Front Headlight Lamp Plug Socket Wiring Left N/S A0525456026
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0025421319-4
Mercedes W204 Genuine Universal Car Relay 4-Pin Tyco X4 Black A0025421319
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A4475400600
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400600
€42.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A6519002803-3
Mercedes Vito W447 114 CDI OM651.950 Engine ECU Kit Ignition + 2 Key A6519002803
Promo price
€474.95
€284.97
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1635401230
Mercedes W163 Negative Battery Minus Terminal Lead Cable A1635401230
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A9069014700
Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2218207502
Mercedes W221 Front Centre Dashboard Speaker Logic 7 A2218207502
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2466200018
Mercedes-Benz A-Class W176 Battery Frame Holder Bracket Mount Plate A2466200018
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A4475400010
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1725403405
Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2075403434
PDC Wiring Mercedes W204 W207 Parktronic Parking Sensor Cable Rear A2075403434
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A9079821100
Mercedes W910 Engine Hood Microswitch Cable Wiring Loom Harness A9079821100
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1645400350
Mercedes-Benz M-Class ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A1775408101
Mercedes W177 W243 W247 Door Wiring Cable Harness Loom Driver Side A1775408101
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2229007109
SAM Module Mercedes C205 GLC X253 Coupe Rear Control Unit A2229007109
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
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 .