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. 8373901
BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7316535
BMW 1 2 3 Series F20 F22 F30 Sliding Sunroof Drive Motor Unit Webasto 7193398
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9153802
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II NSW Lear 9153802
Promo price
€146.95
€88.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9301308
BMW F20 F21 F22 F30 Control Unit Air Conditioning System 9301308
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6911519
BMW E65 E66 E67 Wiper Switch Stalk Steering Column Wheel 6911519
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7806042
Mini R55 R56 Connecting Wiring Cable Cooper D W16 Diesel 7806042
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8616810
BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F32 Battery Cable Connecying Line
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6958526
BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7011612
BMW 7 Series E65 E66 E67 Centre Console Coinbox With Vent Storage Compartment
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7558911
BMW 1 Series E81 E82 E87N E88 NOx Cable Wiring Petrol 7558911 12517558911
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8583657
Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 8580061
BMW F40 F48 Mini F55 F56 Battery Starter Cable Wiring Loom B47B B47D 8580061
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8509105
BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105
Promo price
€28.95
€24.61
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. 93970000052
Trafficmaster Control Module Mini R50 R53 GPS Control Unit ECU 93970000052
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9470037
Differential Locking Module BMW F40 F48 Rear Axle Control Unit ECU 9470037
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7574365-1
Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365
Promo price
€23.95
€22.75
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
-15%
Part no. 2379303
Engine Wiring Mini One F57 Petrol B38 Loom Cable Harness Injector Module 2379303
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8617722
Wiring Harness BMW F48 Mini F55 F56 B38 Petrol Engine Servotronic Module 8617722
Promo price
€32.95
€28.01
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
-40%
Part no. 9371130
BMW F30 Seat Control Unit Seat Module Unit Controller ECU 9371130
Promo price
€47.95
€28.77
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
-15%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
€56.95
€48.41
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
-15%
Part no. 8795213
BMW F20 F21 F30 F31 Wire Cable Screen Connector Monitor Display 8795213 8795212
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8507924
Gearbox Wiring BMW F20 F30 125d 325d N47S1 Engine Loom Harness Cables 8507924
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6963014
BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8507398
Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398
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
Part no. 8512415-5
Mini Cooper D R56 LCI N47N 112HP Engine ECU Kit DDE 8512415 CAS3 Key Automatic
€275.95
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. 8576484
BMW X3 G01 G20 G21 G30 G31 Starter Acoustic Vibration Plug 8576484 8588900
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9246502
BMW E87 E90 LCI Car Radio Professional CD Radio Head Unit Bluetooth 9246502
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9128569-2
Wiring Harness BMW E81 E82 E87 LCI E88 Air Valve Air Flap Cable Wire 9128569
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8512499-6
BMW X1 E84 18dX N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
Promo price
€104.95
€62.97
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8579420
BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625
€56.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 2751617
Mini R56 R57 Battery Valve Breather Vent Hose Pipe R55 2751617 1377745
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9195756-1
BMW E60 LCI Radio Player M-ASK M-Audio System Controller Head Unit 9195756
Promo price
€104.95
€89.21
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7645837
BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9286236
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9264573-1
BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8617778
Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8617778
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8601245
Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7647591
Engine Wiring BMW i3 I01 Hybrid Rex Sensors Cable Loom Harness 7647591
Promo price
€94.95
€56.97
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
-40%
Part no. 8617703
Engine Wiring Mini F56 Cooper S B46 B48 Valvetronic Cable Loom Harness 8617703
Promo price
€94.95
€56.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8625074
Engine Wiring Mini F55 F56 Cooper S Petrol B46 B48 Cable Loom Harness 8625074
Promo price
€32.95
€28.01
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. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8677250
Battery Starter Cable Mini Countryman F60 Cooper S B48 Positive Plus 8677250
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8631637
Earth Ground Cable BMW i3 I01 Battery Starter Terminal Wiring 8631637
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9171925
BMW E88 Convertible Air Module Sensor ECU Control Unit Module 9171925
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6967184-1
BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8635815
BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815
Promo price
€32.95
€28.01
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
Part no. 9143121-1
BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121
€37.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8579478
BMW F20 F30 F32 120dX 320dX 420dX Diesel N47N 184HP ECU Unit DDE 8579478 Manual
€94.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3454167-1
BMW X3 E83 Shark Roof Fin Antenna Aerial Module Unit 3454167 3436613
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 969713
BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9244417
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9244417
Promo price
€322.95
€274.51
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9257090
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9257090
Promo price
€332.95
€283.01
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. 8321087-1
BMW E60 Front Seat Height Adjustment Electric Motor Actuator 0390203234 8321087
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5TRK0200UK
BMW X5 E53 GPS Vehicle Location Tracker Control Unit Module ECU 5TRK0200UK
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9297282-1
BMW E63 E64 Battery Power Cable Lead Positive Underfloor Red 9297282
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9229989
BMW F07 GT Cable Loom Door Rear Left Right N/O/S Wiring Harness 9210135
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. TM450
Trafficmaster TM450 GPS Vehicle Location Tracker Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8516739-3
Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Automatic
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7223190
Rear View Camera BMW F07 GT Trim Panel Cover Boot Lid Tailgate 7223190
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. 6926333
Door Cable BMW E93 Convertible Wiring Loom Front Cables Passenger Side 6926332
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8512499-4
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Automatic
Promo price
€256.95
€154.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8512415-2
Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8506442
BMW E81 E82 E87 LCI E88 123d Petrol N47S 204HP ECU Engine DDE 8506442 Manual
Promo price
€165.95
€141.06
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8510832
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Automatic
Promo price
€151.95
€91.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9261604
Rear Bumper PDC BMW F20 F21 F22 Ultrasonic Sensor Tiefseeblau Deep Sea Blue A76
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
-5%
Part no. 9270491-BS
PDC Parking Sensor BMW E70 LCI F07 F25 Ultrasonic Black Sapphire 9216207
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6934096
BMW 7 Series E65 Cable Harness Door Rear Right Left N/O/S Wiring Loom 6923713
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7559811
Earth Ground Cable BMW E60 E61 E63 N62N 540i 550i 650i Battery Starter Wiring
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7799146
Mini R55 R56 Alternator Supporting Bracket Mount Generator Diesel W16 7799146
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 .