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.
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Category
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Condition
In Stock
Price

-5%
Part no. A1695457740
Mercedes-Benz A B W169 W245 Bracket Starter Alternator Control Unit A1695457740
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1699000200
Mercedes-Benz A B W169 W245 Front Right Door Control Unit Module A1699000200
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2075454440
Mercedes-Benz E-Class A207 Convertible Control Unit Module Bracket Trunk
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€23.95
€22.75
Free delivery - Tue, Oct 07
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-15%
Part no. A6681530979
Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
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€28.95
€24.61
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If paid before 14:00

-5%
Part no. A4148200526
Mercedes Vaneo W414 Front Left Right Door N/O/S Control Unit Module A4148200526
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€23.95
€22.75
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-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
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€23.95
€22.75
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-5%
Part no. A4145400130
Mercedes-Benz Vaneo W414 Cable Starter Line Positive Line Battery A4145400130
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€23.95
€22.75
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If paid before 14:00

-5%
Part no. A2205401124-1
Fuse Box Unit Mercedes CL S C215 W220 1 Front Right O/S ECU A2205401124
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2035407608
Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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-5%
Part no. A0025422619
Mercedes ML W163 Relay 4-Pin Grey Tyco A0025422619
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€23.95
€22.75
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If paid before 14:00

-5%
Part no. A1636801080
Mercedes ML W163 Cover Footwell Fuse Box Trim Right A1636801080
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€23.95
€22.75
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-5%
Part no. A1635457932
Mercedes ML W163 Transfer Box Control Unit Module ECU A1635457932
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€23.95
€22.75
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-5%
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
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€23.95
€22.75
Free delivery - Tue, Oct 07
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-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038209489
Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038219751-1
Mercedes-Benz C-Class W203 Alarm Sensor Module Unit A2038219751
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038219751
Mercedes C-Class W203 Roof Alarm Motion Sensor Cover Trim Grey A2038219751
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1695453740
Mercedes-Benz A-Class W169 Fuse Box Unit Holder Bracket Frame A1695453740
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038301613
Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038000178
Mercedes-Benz C CLK Class W203 C209 Vacuum Solenoid Valve A2038000178
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038202185
Mercedes W203 Door Control Module Rear Left N/S A2038202185
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038202285
Mercedes-Benz C-Class W203 Door Control Module Right Rear O/S A2038202285
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1698208626
Mercedes-Benz A B W169 W245 Door Control Module Right Rear O/S A1698208626
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1718300272
Mercedes A B ML Class W166 W169 W245 Interior Temperature Sensor A1718300272
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1695400209
Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1715420123
PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0015423723
Mercedes A E Class W169 W211 Parking Sensor Display Control PDC A0015423723
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A0051517401
Starter Motor Mercedes W169 W245 Diesel Engine A0051517401
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2025402373-1
Mercedes A C E Class 1 W169 W203 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2038270642
Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0018209126
Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2036901430
Mercedes C CLC Class CL203 W203 Rear SAM Unit Fuse Box Trim Cover A2036901430
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2035450803
Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. A0025422519
Mercedes W168 W169 W245 Blue Relay 4-Pin Tyco A0025422519
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0025421319
Mercedes W204 Genuine Universal In Car Black Relay 4-Pin Tyco A0025421319
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1685400830
Mercedes A W168 Petrol Engine Starter Alternator Electrical Cable A1685400830
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1688200289
Mercedes W168 Antenna Amplifier Unit Roof Rear Rail A1688200289
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0018203126
Mercedes W168 Air Module Belt Locking System Sensor Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2113231226
Mercedes-Benz E Class W211 Front Right Anti Roll Bar Clamp Bracket A2113231226
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2113231126
Mercedes-Benz E Class W211 Front Left Anti Roll Bar Clamp Bracket A2113231126
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2025402373
Mercedes W169 W203 W204 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2115454840
Mercedes E-Class S211 W211 Battery Tray Holder Mounting Bracket A2115454840
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2118209126
Mercedes-Benz C E Class W203 W211 Alarm Anti Theft System Control Module Unit
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2118201526
Mercedes S211 Rear Door Control Module Left N/S A2118201526
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0051513901
Kompressor Mercedes W203 W211 M271 Petrol Engine Starter Motor A0051513901
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0061510301
Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2709060026
Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A2709060026
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0009828223
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0025428819
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2034404532
Mercedes CLC-Class CL203 Rear Parking Sensor Wiring Loom Cable PDC A2034404532
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2048702126
Mercedes W204 Door Module Control Unit Module Front Right O/S A2048702126
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6512011909
Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2048702626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048702626
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2034400033-2
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2048210197
Door Cable Guide Mercedes W204 Front Wiring Loom Harness Channel A2048210197
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2125400035
Earth Ground Cable Mercedes W204 W207 W212 Battery Starter Wiring A2125400035
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6397600204
Bowden Cable Mercedes W639 Door Handle Catch Top Rear Right O/S Wire A6397600204
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6397600104
Bowden Cable Mercedes W639 Vito Door Handle Catch Top Rear Left Wire A6397600104
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A9065420518
Mercedes-Benz W639 W906 ESP Yaw Rotation Rate Sensor Control Unit A9065420518
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6397601804
Mercedes Vito W639 Door Handle Bowden Cable Catch Rear Wire A6397601804
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6395407809
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6395407809
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2465405833
Mercedes W176 W246 Starter Cable Loom Wiring 160 180 CDI Diesel A2465405833
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6459060800
Starter Motor Mercedes W176 W246 C117 Diesel Engine Denso A6459060800
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2465400335
Mercedes W176 W246 Negative Earth Cable Battery Terminal Wiring A2465400335
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A6394405109
Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. A0061514501
Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
€37.95
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A6397600340
Mercedes Vito W639 Door Handle Cable Catch Bowden Cable Rear A6397600340
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0025407097-1
Mercedes W221 Air Pump Valve Pressure Electric Change Over Sensor A0025407097
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A6519062300
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A6519062300
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. A9064402341
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
€32.95
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A0141542702
Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1698208426
Mercedes-Benz A B W169 W245 Front Right Door O/S Control Unit Module A1698208426
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0025421419
Mercedes A C E M W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. A2661503033
Mercedes W169 W245 M266 Petrol Engine Wiring Harness Loom A2661503033
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0018209326
Mercedes-Benz E CLS Class W211 W219 Crash Sensor Left Right N/O/S A0018209326
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A2035400031
Mercedes CLK W203 C209 Negative Battery Terminal Cable A2035400231
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A0025421119
Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1669000618
Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. A6511505320
Mercedes Sprinter W906 Engine Wiring Loom Harness Cable CDI Diesel A6515460161
Product currently unavailable

Part no. A2125403005
Mercedes W212 M271 Wiring Battery Alternator Starter Harness Cable A2125403005
Product currently unavailable

Part no. 284B63788R
Mercedes Citan W415 109 CDI Fuse Box Module Unit 284B63788R
Product currently unavailable

Part no. A2701503920
Mercedes W176 Oil Pump Adapter Solenoid Valve Wiring Harness M270 A2701503920
Product currently unavailable

-15%
Part no. A0015452616
Mercedes W212 Transmission Control Unit Module VDO EGS 722.646 A0015452616
Product currently unavailable

Part no. A0111546402
Mercedes W163 CL203 W203 Petrol Alternator Generator Valeo 120A A0111546402
Product currently unavailable

Part no. A0002704652
Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
Product currently unavailable

Part no. A1645408101
SAM Control Module Mercedes W164 W251 Comfort Fuse Box Unit A1645408101
Product currently unavailable

Part no. A2218706586
Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
Product currently unavailable

Part no. A1698207926
Mercedes W169 W245 Control Unit Front Left Door N/S Module A1698207926
Product currently unavailable

Part no. A0091547602
Mercedes R170 Alternator Generator M111 Petrol Engine 90A A0091547602
Product currently unavailable

Part no. A2711505433
Mercedes R171 W203 Petrol Engine 271921 Wiring Harnes Loom A2711505433
Product currently unavailable

Part no. A1769051600-1
Mercedes W176 Front Pressure Impact Crash Sensor Module With Hose A1769051600
Product currently unavailable
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
Symptom | Possible cause | Item to check |
---|---|---|
Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
Question | Answer |
---|---|
What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .