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. A2198203626
Mercedes CLS W219 Door Module Rear Right O/S Control Unit A2198203626
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1679005218
Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005218
€450.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2075451740
Mercedes-Benz A207 W207 Cabrio Control Unit Module Bracket Holder A2075451740
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1648202715
Electrical Wiring Cable Mercedes W164 W251 Radio Media Interface A1648202715
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2118704785
Mercedes W211 Front Seat Memory Control Unit Module Left Right N/O/S A2118704785
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2059009230
Air Conditioning Module Mercedes W205 C253 A/C Control Unit ECU A2059009230
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1635409108
Mercedes-Benz M ML W163 Rear Window Heater Cable Harness Wiring A1635409108
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1779061302
Mercedes EQA H243 W247 Fuse Box Relay Control Unit Module A1779061302
Promo price
€80.95
€68.81
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2219007701
Mercedes W221 Door Module Rear Right Left N/O/S Control Unit A2219007701
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2129003502
Mercedes W212 Xenon Headlight Ballast Control Unit Module Hella A2129003502
Promo price
€113.95
€68.37
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0055461240
Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2055406621
Starter Cable Mercedes W205 GLC X253 Electrical Wiring Harness A2055406621
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2218702086
Mercedes W221 Rear Seat Control Module Unit ECU A2218702086
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0038208426
Crash Sensor Mercedes ML W164 W221 Front Rear Impact Airbag Unit A0038208426
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2075454440
Mercedes-Benz E-Class A207 Convertible Control Unit Module Bracket Trunk
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00
-40%
Part no. A1408207126
Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126
Promo price
€227.95
€136.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1669002906
Mercedes W204 Headlight Range Control Unit Module ECU A1669002906
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2139008822
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2118700526
Driver Seat Module Mercedes R171 W203 W211 Memory Control Unit A2118700526
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2028281114
Mercedes-Benz C CLK W202 W208 Alarm Control Module Bracket Holder A2028281114
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2045400440
Battery Bracket Mercedes W204 W207 Battery Mount Support Holder A2045400440
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2139001909
Mercedes W213 Ambient Lighting Control Unit Module ECU A2139001909
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A6519007500-16
Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
€42.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0009004836
Mercedes W177 W247 Driving Dynamics Module Control Unit ECU A0009004836
€142.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009007607
Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2479004505-1
Mercedes Vito W447 Sprinter W907 W910 Telematics Module Control Unit A2479004505
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2661538979-1
Mercedes W169 A150 W245 B150 Engine Control ECU Kit A2661538979 + Key Automatic
€265.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2465402610
Mercedes-Benz A B W176 W246 160 180 CDI Alternator Cable Loom Wire A2465402610
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2048709289
Mercedes W204 Right O/S Antenna Amplifier Filter Module A2048709289
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1665400841
Ground Line Mercedes ML W166 Battery Earth Negative Cable Wire A1665400841
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2535403700
Mercedes X253 Rear PDC Parking Aid Sensors Harness Wiring Loom Cable A2535403700
Promo price
€42.95
€25.77
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1679009330
Mercedes C118 W167 W177 W243 W247 Ignition Control Module Unit ECU A1679009330
€284.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1715405045
Mercedes SLK R171 Central Gateway Module ECU Control Unit A1715405045
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2139065706
Mercedes W205 W213 Front Engine Compatment Fuse Relay Box Module A2139065706
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0018275101
Mercedes W164 Tyre Pressure Sensor Rear Right Left Antenna Module A0018275101
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A6394460132
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460132
€284.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2469008813
Module Mercedes W176 A45 AMG M133 4matic All Wheel Drive Control A2469008813
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A9075406849
Mercedes Sprinter W907 Ground Line Battery Earth Cable Wire A9075406849
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2115450301-1
Mercedes S211 W211 W219 Fuse Distribution Box Unit A2115453901
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2118206185
Mercedes E S Class W211 W220 Telephone Hands Free Control Module A2118206185
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A4479001118
Mercedes W447 Front Air Module Control Unit ECU A4479001118
Promo price
€488.95
€293.37
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2125458040
Bracket Holder Mercedes W204 W212 W222 Auxiliary Generator Battery A2125458040
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1645400641
Mercedes-Benz M-Class W164 Battery Ground Earth Strap Cable Wiring A1645400641
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2479007312
Mercedes W212 Suspension Module Adjustment Control Unit Controller A2479007312
€94.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2129005200
Seat Module Mercedes W204 W212 Memory Control Unit Driver's Side A2129005200
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2781506020
Cable Beam Mercedes W166 W212 W221 Engine Wiring Harness Loom A2781506020
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2025402373-2
Mercedes W169 W203 W211 2 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2479009312
Mercedes W910 Telematics Module Communication Blutooth Control A2479009312
€80.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2098200326
Mercedes C209 Body Control Module Unit Temic 376 800 GZ A2098200326
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2513200158-1
Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A1729060205
Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
Promo price
€108.95
€65.37
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A9078209400
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit A9078209400
Promo price
€104.95
€89.21
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2218203375
Mercedes W221 Bluetooth Antenna AMP Amplifier Module A2218203375
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2128270228-SEL
Mercedes W212 Roof Antenna Amplifier Shark Selenite Grey - 992 A2128270228
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A9079005303
Mercedes Sprinter W907 W910 Control Unit Module ECU A9079005303
€89.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1698204726
Mercedes-Benz A-Class W169 Rear Left Door N/S Control Unit Module A1698204726
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2469017000
Mercedes W176 Windscreen Rain Sensor Unit Module A2469017000
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2125455640
Mercedes W212 Battery Holder Mount Bracket Support E-Class A2125455640
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1715405045-1
Mercedes SLK R171 Central Gateway Module ECU Control Unit A1715405045
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2711504733
Mercedes W204 Injection Electrical Wiring M271 Petrol Engine Cable A2711504733
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1765450000
Mercedes-Benz A-Class W176 Bluetooth Unit Module Bracket Holder A1765450000
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0045468440
Mercedes W177 Power Distributor Connector Plug Unit A0045468440
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1698204826
Mercedes-Benz A-Class W169 Rear Right Door O/S Control Unit Module A1698204826
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2139058001
Mercedes C238 W213 Trunk Lid Handsfree Switch Sensor A2139058001
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2125403005
Mercedes W212 M271 Wiring Battery Alternator Starter Harness Cable A2125403005
€113.95
Free delivery - Mon, Dec 29
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 - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2128208826
Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2465401950
Battery Base Mercedes C117 W176 W246 Power Fuse Relay Box A2465401950
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2389055000
Mercedes W205 Antenna Aerial Amplifier Duplexer Module Receiver Unit A2389055000
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2055402850
C205 Fuse Box Mercedes C205 Electrical Interior Relay Fuse Socket Control A2055402850
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2139004625
Mercedes W213 C238 C253 C257 Air Module Control ECU Sensor A2139004625
Promo price
€75.95
€45.57
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2429004801
Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429004801
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A6081550035
Mercedes W177 Alternator Mounting Bracket Carrier A6081550035
Promo price
€66.95
€56.91
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A1665402709
Mercedes W166 Automatic Gearbox Wiring Loom Harness Cable A1665402709
Promo price
€42.95
€25.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A1765405608
Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2118201626
Mercedes S211 W211 Rear Door Control Unit Right O/S A2118201626
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1331510745
Mercedes C117 CLA 45 AMG Heat Shield Alternator Plate Petrol M133 A1331510745
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2035405707
Mercedes-Benz CL203 Front Left Right Door Wiring Loom Harness A2035405707
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2045451047
Control Unit Bracket Mercedes W204 W212 Audio Module Holder Mount A2045451047
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2518703390
Mercedes W251 Rear Passengers Entertainment Control Unit A2518703390
Promo price
€70.95
€42.57
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2749000800-1
Mercedes W205 C200 274.920 184HP Engine ECU Kit A2749000800 Key Lock Automatic
Promo price
€222.95
€189.51
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0065454601
Energy Distributor Mercedes W204 OM656 Power Control Unit Module A0065454601
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2319058100
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A2/71 A2319058100
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2034450000
Mercedes Vito W639 Gateway Control Unit Module A2034450000
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2105400230
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105400230
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2710106644-1
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU A2710106644 Automatic
€151.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2229002921
Mercedes W205 W213 Head Unit Navigation Radio DAB High Control Unit A2229002921
Promo price
€398.95
€339.11
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A1669005412
Mercedes W166 Door Module Rear Left N/S Control Unit ECU A1669005412
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0025421219
Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1179008700
Mercedes GLA X156 Air Module Safety Belt Tensioner Unit Control A1179008700
€94.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A6421508900-6
Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic
€450.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2479003506
Mercedes W177 Front Seat Module Control Unit Memory Driver's Side A2479003506
€203.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2055404596
Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1649005001
Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001
€626.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2219005404
Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404
Promo price
€379.95
€227.97
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 .