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. A2129004407
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. A1729006903
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729006903
Promo price
€89.95
€53.97
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9806332
Mini R60 R61 Ultra Sonic Module Alarm System Sensor 9806332
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6R0971839A
VW Volkswagen Polo 6R 1.2 TSI Petrol Fuel Sender Pump Cover Panel 6R0971839A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. E93-RADIO
BMW E93 Head Unit Radio Player Navigation Control Module 5A2BF31
Promo price
€80.95
€48.57
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8512499-10
BMW X1 E84 18d N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
Promo price
€199.95
€119.97
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A0009058000
Windscreen Camera Mercedes W207 W221 Front Windshield Module Unit A0009058000
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2465400140
Mercedes-Benz A-Class W176 Equipment Electrical Cover Fuse Box A2465400140
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A4475400082
Mercedes Vito W447 Fuse Box Cover Trim Panel Lid Housing A4475400082
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8J0035456A-1
Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 4H0907705K
Audi A8L 4H Steering Angle Steering Wheel Column Control Module ECU 4H0907705K
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 9377150
BMW 1 Series F20 Bluetooth Control Module Unit TCB ECE 9377150
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
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 - Wed, Oct 29
If paid before 14:00
-15%
Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€108.95
€92.61
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7601305
BMW F10 F11 LCI F13 N63 N63N Petrol Water Pump Adapter Lead Cable Wiring 7601305
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7542615
BMW 1 3 5 6 7 Z4 Series E87 E90 E60 E64 E65 E85 Power Distribution Box 7542615
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9113348
BMW E81 E87 LCI E90 E91 DC/DC Wandler Torque Converter Module 9113348
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 9137800
BMW Mini Cooper One R55 R56 R57 Left Passenger's Door Module Cables N/S 9137800
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7514610
Injection Valve Wiring BMW E60 E61 E65 N62 N62N Ignition Loom Harness 7514610
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 3C8035730
VW Volkswagen Tiguan 5N Bluetooth Interface Control Module ECU 3C8035730
€42.95
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8519663-4
Mini Cooper D ALL4 R60 N47N 1.6 Diesel Engine ECU Kit DDE 8519663 CAS3 + Key
Promo price
€189.95
€113.97
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. A2199001100
Mercedes W219 Head Unit CD Player Navigation COMAND Radio Audio Unit A2199001100
Promo price
€379.95
€227.97
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8733503
BMW F30 Fuse Box Front Body Control Module ECU BCM Unit 8733503
Promo price
€189.95
€113.97
Free delivery - Wed, Oct 29
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 - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2469005315
Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2038700426
Door Module Mercedes CL203 Front Right O/S Control Unit A2038700426
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 7428425-3
Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. A2215450801
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
€227.95
€136.77
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2711535391-2
Mercedes R171 SLK 200K 184HP M271.944 Engine ECU Kit A2711535391 Key Lock
Promo price
€275.95
€234.56
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. A9079001605
Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605
€465.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7608801
Valve Cable BMW F20 F21 F30 F31 Petrol N13 Valve Tronic Wiring Harness 7608801
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 9305712
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8W0959592E
Audi A4 B9 Front Door Control Module Unit Passenger Side ECU 8W0959592E
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9280186-1
BMW F10 F11 F30 F01 F02 LCI Air Control Module ECU Unit 9280186
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 4F0919805
Audi A4 B8 Smart Card Reader Smart Card System TV 4F0919805
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
€47.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6942990
BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8585729
BMW 3 Series F30 320d N47N Engine Gearbox Module Wiring Loom Harness Cables Set
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2055404913
Mercedes W205 Wiring Cable Harness Center Console Ambient Lightning A2055404913
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 5Q0937084AE
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AE
€32.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6957348
BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Right O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 03L903017E-1
Audi A4 B8 Avant 2.0 TDI Quattro Alternator Generator 03L903017
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7631109
BMW F20 F21 F30 F32 F87 Battery Cable Negative IBS 7631109
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 3448250
BMW X3 E83 Front Door Window Lifter Regulator Motor Right O/S 3448250
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2128205026
Mercedes W212 Impact Crash Sensor Door Left Right A2128205026
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
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 - Wed, Oct 29
If paid before 14:00
-5%
Part no. A0465456628
Mercedes W203 W204 W218 Front Seat Wiring Loom Plug Connector A0465456628
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 02E911023T
Seat Leon 5F Engine Starter Motor 2.0 TDI Diesel 02E911023T
€32.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A0015456403
Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A0025451201
Mercedes W169 W245 W906 Fuse Box Carrier A0025451201
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 9244422
BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422
€37.95
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8796289
BMW X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289
€28.95
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8672514-1
BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key
Promo price
€1,139.95
€683.97
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 9248096
Air Module BMW F01 F02 LCI F06 F10 F11 F13 ECU Control Unit ECU 9248096
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 9282285
BMW X3 F25 Central Gateway Module Control Unit ECU 9282285
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A1698702210
Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 141951253B-1
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 51871158
Vauxhall Combo Fiat Doblo Positive Battery Cable Lead Wire 51871158
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 7809196
BMW X3 E83 LCI 2.0d N47 177HP Engine ECU Control Unit Module DDE 7809196 Manual
Promo price
€165.95
€99.57
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 8T2035110B
Audi A5 8T Radio Head Unit Navi CD DVD Player Changer 8T2035110B
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8574091-3
BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key
Promo price
€170.95
€102.57
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8507202
BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
Promo price
€61.95
€37.17
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7802158
BMW E60N E81 E87N E90 E90N E91 E91N E92 E93 Wiring Harness Engine Glow Module
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9177754
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7547141
BMW E82 E84 E87N E88 E90 E91 E92 E93 E93 E-box fan 7547141
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9181453
BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 3428715
MINI Cooper One R56 R55 R58 R60 R61 Airbag ECU Control Module 3428715
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9389068
Fuse Box BMW F20 F21 F30 F31 F34 Power Distribution Front 9389068
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A1729007003
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729007003
Promo price
€104.95
€89.21
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 3453791
BMW X3 E83 LCI Crash System Control Unit Module ECU 3453791
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8585933
Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933
Promo price
€123.95
€74.37
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 9197177-1
BMW 1 Series E88 Cabrio Footwell Light Module Control Unit ECU NSW 9197177
Promo price
€104.95
€62.97
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8K0959651
Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2078202810
Mercedes W207 Convertible Anti Theft Roof ITS TPS Sensor Module Unit A2078202810
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2049060105-1
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2465400308-1
Mercedes W176 W246 OM651 Alternator Cable Battery Prefuse Box A2465400308
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8E0035411B
Audi A4 B7 Door Speaker Tweeter Front Left Right N/O/S 8E0035411B
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 81A035035G
Audi Q2 GA Sat Nav Multimedia Control Unit Module SD SIM MIB2 HIGH 81A035035G
Promo price
€807.95
€484.77
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 4G8959107Q
Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107Q
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7060552
BMW 3 Series E90 E91 Bowden Cable Hood Mechanism 7060552
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 9230404
BMW X1 Series E84 Rear Bumper PDC Cables Wiring Loom Set 9230404
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 6980078
BMW E88 Antenna Amplifier Aerial Diversity Module AMP 6980078
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 9262752-1
BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752
€28.95
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 9314229
BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229
€284.95
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
Promo price
€42.95
€36.51
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 5A0FAD6
BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A0009003310
Mercedes W205 W213 Fuel Pump Module Control Unit ECU A0009003310
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A1698207226
Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698207226
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 9241826
On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8645325-1
BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325
€47.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6976156
BMW E60 E61 E63 Passenger Side Door Air Control Module 6976156
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8U0971104C
Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104C
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. A2078203426
Mercedes W204 C207 Rain Sensor Light Control Unit Front Windscreen A2078203426
€28.95
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2469009312-1
Mercedes W176 Radio Stereo Head Unit Media Player Navigation A2469009312
Promo price
€104.95
€89.21
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 80A906093
Audi Q5 FY Fuel Pump Control Unit Module ECU Diesel Kuhnke 80A906093
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 9286863
BMW X5 Z4 Series E70 E89 Active Sound Harman Becker Amplifier Design 9286863
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2139005613
Mercedes W213 Front Door Module Right O/S Control Unit A2139005613
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 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 .