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. A2075451740
Mercedes-Benz A207 W207 Cabrio Control Unit Module Bracket Holder A2075451740
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2479009312
Mercedes W910 Telematics Module Communication Blutooth Control A2479009312
Promo price
€80.95
€48.57
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1779005509
Door Module Mercedes C118 W177 H243 Rear Left N/S Door Control A1779005509
Promo price
€70.95
€42.57
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0009004836
Mercedes W177 W247 Driving Dynamics Module Control Unit ECU A0009004836
€142.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2535400601
Mercedes X253 Starter Motor Wiring Harness Cable A2535400601
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A4479009808
Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM 4479009808
Promo price
€237.95
€142.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2139008013
Bluetooth Module Mercedes W176 W213 Control Unit Hands Free A2139008013
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2465401850
Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2711534591-1
Mercedes W203 C180 Kompressor M271 Engine Module ECU Kit A2711534591 Key Lock
Promo price
€279.95
€167.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0015425918-ALB
Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129000204
Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1695407405
Mercedes W169 Wiring Loom Cable Door Front Left Right N/O/S A1695407405
€23.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129002813
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129002813
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1679009330
Mercedes C118 W167 W177 W243 W247 Ignition Control Module Unit ECU A1679009330
€284.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2048705490
Mercedes-Benz C W204 Digital Audio DAB Receiver Control Unit Module A2048705490
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2129004911
Fuse Box Mercedes W207 Front Relay Control Unit Module SAM A2129004911
€70.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0009003206
Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2535409530
Mercedes X253 Hybrid Engine Wiring Harness Loom Cable A2535409530
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1669061202
Mercedes W221 Fuse Box Control Unit Module Relay A1669061202
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2661536679-2
Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6519009302-4
Mercedes W639 116 CDI 651.940 163HP Engine Module ECU Kit A6519009302 Key Lock
Promo price
€427.95
€256.77
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2535401401
Mercedes X253 Battery Wiring Harness Cable Tray Clamp A2535401401
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2479007312
Mercedes W212 Suspension Module Adjustment Control Unit Controller A2479007312
€94.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0009057302
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009057302
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2829006700
Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic
Promo price
€284.95
€170.97
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2115460580
Wiring Holder Mercedes W211 Cable Loom Harness Cover Channel A2115460580
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6401500734
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0035420219-2
Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue SET X2 A0035420219
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465450500
Mercedes-Benz A B W176 W246 Gearbox Control Module Bracket Holder A2465450500
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0035455005
Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0048273745
iPod Interface Mercedes W204 W207 W212 Module Control Unit ECU A0048273745
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0009050038
Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050038
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2129008224
Headlight Control Module Mercedes W207 W212 Unit A2129008224
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2129060105
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129060105
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1669063901
Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6519002803-4
Mercedes W447 114 CDI OM651.950 136HP Engine Unit ECU Kit A6519002803 Automatic
€379.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2533402600
Mercedes X253 Hybrid GLC Battery Electrical Wiring Harness A2533402600
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2469060093
Fuse Box Mercedes W176 OM607 Front Relay Control Unit Module A2469060093
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1644400837
Mercedes W164 Parking Sensor Wiring Loom Cable Harness Front PDC A1644400837
Promo price
€80.95
€48.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2045451040
Mercedes W204 W212 Multimedia Interface Unit Module Bracket Mount A22045451040
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1695403945-1
Mercedes W169 W245 Central Gateway Control Unit Module ECU A1695403945
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2218707526
Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2129008707-1
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2519061100
Mercedes W251 Central Multimedia Navi GPS Control Head Unit ECU A2519061100
€313.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1715405045-1
Mercedes SLK R171 Central Gateway Module ECU Control Unit A1715405045
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A9065400041
Mercedes Sprinter W906 Battery Cable Negative Lead Wiring Harness A9065400041
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465400950-1
Mercedes C117 W176 W246 Fuse Box Power Distribution Box A2465400950
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2074407613
Mercedes-Benz E-Class W207 Cabrio A207 Centre Console Divider Wiring Harness
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2055404797
Battery Cable Mercedes GLC X253 Starter Motor Alternator Wiring A2055404797
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0005406904
Mercedes X253 Ground Line Battery Earth Cable Wire A0005406904
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2115455332
Mercedes C219 SAM Module Comfort Control Unit A2115455332
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1729002301
Mercedes SLK R172 Door Control Unit Module Front Left N/S A1729002301
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6394407810
Wiring Loom Mercedes W639 Vito Cable Front Door Left Right N/O/S A6394407810
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2229009915
Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2129005614-1
Mercedes C207 W212 W218 Head Unit Navi CD Player Navigation A2129005614
€237.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2218703086
Mercedes W221 Seat Module Front Right O/S Memory Control Unit A2218703086
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2079057501
Mercedes E-Class W207 Cabrio A207 ITS Camera Control Unit Module ECU
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2046280218
Mercedes W204 Battery Bracket Mount Support Holder A2046280218
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 283930431R
Roof Microphone Mercedes Citan W415 Interior Mic Unit Wiring Cable 283930431R
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1698201585
Mercedes W245 ECU Control Unit Sensor Air Module A1698201585
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2469067100
Mercedes W176 W246 C117 Fuse Relay Box Control Unit Module A2469067100
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1725400035
Electrical Cable Mercedes R172 Transmission To Body Wiring Harness A1725400035
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6549001400-1
Mercedes W213 E220 CDI 654.920 194HP Engine ECU Kit A6549001400 Automatic
Promo price
€455.95
€273.57
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1665450403
Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2079052800
Mercedes-Benz E-Class W207 Cabrio A207 Anti Theft Alarm Module Control Unit ECU
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6519007500-16
Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1635409008
Mercedes-Benz M ML W163 Radio Aerial Antenna Amplifier Wiring Loom A1635409008
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1649063500
Mercedes ML W164 Head Unit Sat Nav GPS CD Audio Radio Player A1649063500
€284.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1715400406
Mercedes SLK R171 Window Lifter Lift Mechanism Cable Wiring Harness A1715400406
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1175401205
Mercedes C117 Drivers Door Wiring Harness A1175401205
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2059008826
Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2078201989
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201989
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1635402333
Mercedes-Benz M ML W163 Centre Console Wiring Harness Cable Loom A1635402333
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1775405501
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775405501
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A0009061004
Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6429002900-5
Mercedes C207 C350 CDI BE OM642.836 Engine Control ECU Kit A6429002900 Automatic
€379.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2710106644-1
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU A2710106644 Automatic
€151.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2469004519
Gearbox Module Mercedes W176 W246 Control Unit ECU Automatic A2469004519
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2218201811-2
Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A4479058203
Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A9079051202
Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2079059702
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit Right O/S
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1694710141
Mercedes W169 W245 Fuel Pump Cable Harness Bracket Mount Trim A1694710141
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2601503100
Mercedes W177 M260 Petrol Engine Wiring Cable Loom Harness A2601503100
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2479003506
Mercedes W177 Front Seat Module Control Unit Memory Driver's Side A2479003506
€203.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2225403150
Fuse Box Mercedes W205 Front Passenger Side Footwell Fuse Box A2225403150
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2475457300
Mercedes W177 Fuse Box Relay Cover Lid Control Unit Bracket Trim A2475457300
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A9078200301
Mercedes W907 Radio Professional System Controller Head Unit A9078200301
Promo price
€180.95
€108.57
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A4475406353
Mercedes Vito W447 Battery Cable Diesel OM651 Alternator Wiring A4475406353
€47.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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 .