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. 9806332
Mini R60 R61 Ultra Sonic Module Alarm System Sensor 9806332
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469000012
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
Promo price
£66.95
£56.91
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8P0907530C
Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3455895
Mini Cooper One R56 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 5Q0959595K
Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595K
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6938226-2
BMW 3 Series 2 E90 E91 LCI M3 Wiring Loom Rear Door Left Right 6938226
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129005327
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1648205585
Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9150721
BMW E87N ECU Body Control Module H2 Junction Box 9150721
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6941018
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A9065450003-2
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A9064460542
Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A9065410400
Battery Bracket Mercedes Sprinter W906 W910 Mount Trim Holder A9065410400
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7811111
BMW X3 E83 LCI 2.0d N47 177HP Engine Module ECU Kit DDE 7811111 Automatic
Promo price
£284.95
£170.97
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. 9418460
BMW G30 G31 PDC Module Parking Assistant Control Unit USS VA03 HIGH 9418460
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2218206397
Mercedes-Benz S W221 Rear View Reversing Camera Video Unit Park A2218206397
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2048702426
Mercedes W204 Door Module Rear Left N/S Control Unit Module A2048702426
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 5Q0919294K
Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9347878
Dashboard Monitor BMW X5 F15 Onboard Central Display Screen 10,25" 9347878
Promo price
£237.95
£142.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3455701-1
BMW Mini Cooper Convertible R57 Footwell Light Module ECU PL3 FRM II 3455701
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6938215
BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8506281-4
BMW 1 3 Series E87 LCI E90 118d 318d N47 Engine ECU KIT DDE 8506281 CAS3 + Keys
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1179009200
Mercedes W176 Air Module Belts System Control Unit ECU Bosch A1179009200
Promo price
£61.95
£52.66
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1693300907-1
Mercedes A B W169 W245 Front Left N/S Suspension Control Track Arm A1693300907
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9337879
BMW 1 3 4 Series F20 F21 F30 F31 F34 Power Distribution Fuse Box Front 9337879
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1769051000
Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000
Promo price
£61.95
£52.66
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9156654
BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6951674-CAR
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8X0959792H
Audi Q3 8U Door Module Front Door Left N/S Control Module 8X0959792H
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 4L0907553E
Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E
£94.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6926962
BMW E60 E61 Front Seat Adjustment Switch Right O/S 6926962 6930048
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6820235
BMW F20 F30 Mini F55 F56 Control Unit Air Conditioning Module 6820235
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
£23.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9382417
BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3453954
Mini Cooper One R57 R58 Aerial Antenna Amplifier Diversity Module 3453954
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 1439743
BMW E46 X5 E53 E60 E65 X3 E83 Z4 E85 Z3 Cable Alternator Starter 1439743
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1729017601
Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7549284
BMW 1 3 Series E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
Part no. 7557395-18
Mini One R50 1.6 W10 90HP Engine Control Unit ECU Kit DME 7557395 Manual
£85.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7599881-12
BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7520019-1
Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 7579142-1
BMW E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7579142 CAS3 Key
£113.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9139912
Mini Cooper One F55 F56 DAB Bluetooth Visual Boost Head Unit Basic 9139912
Promo price
£218.95
£131.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9217004
Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7067801
BMW E46 E64 Front Seat Module Control Unit Memory 7067801
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. RHD-8W8919605
Audi A5 F5 Display Screen Dashboard Multifunction Monitor Unit 8W8919605
Promo price
£70.95
£42.57
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-8507776
BMW X1 E84 20dX N47N Engine Gearbox Wiring Loom Harness Cables 8507776
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6820386
Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386
Promo price
£379.95
£227.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A0009050054
Mercedes A-Class W169 Battery Lead Wire Cable Negative A0009050054
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6788716
BMW 7 Series E65 E66 E67 Steering Column Control Unit CIM Module
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6937083
Ultra Sonic Module Mini Cooper R50 R53 Alarm System Sensor 6937083
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8373700-3
BMW E60 E63 E87 E90 E91 5X Relay Make Contact White Green Set 8373700
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 3455539-1
Mini Cooper One 1 R55 R56 R57 Radio Boost CD Player Head Unit 3455539
£132.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9258278
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2078203426
Mercedes W204 C207 Rain Sensor Light Control Unit Front Windscreen A2078203426
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7634059
BMW F30 F31 F32 N20 Engine Gearbox Module Wiring Cable Loom Harness 7634059
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9484301
Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9367835
Promo price
£104.95
£62.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9241973
BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9241973
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
Part no. 6983536
BMW E60 Light Control Unit Module LCM LM E6X MAN. LWR Lear 6983536
£23.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A6519000601
Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601
Promo price
£104.95
£62.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9171925
BMW E88 Convertible Air Module Sensor ECU Control Unit Module 9171925
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 4E0035729
Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1669002700
Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7514342
BMW E34 Z4 E85 Base B Terminal Point Engine Compartment 7514342
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. RHD-8W2919604A
Audi A4 B9 Central Information Display Screen CIC Navigation 8W2919604A
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8512498-5
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2129007104
Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7620624
Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7152588
Mini Cooper One R50 R53 JCW Fuel Filler Cover Flap Actuator 7152588 7127872
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. RHD-7570550
Manual Gearbox Wiring Harness BMW E81 E87 E90 E91 N43 Loom Cable 7570550
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6957347
BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Left N/S
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9371130
BMW F30 Seat Control Unit Seat Module Unit Controller ECU 9371130
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 2753721
Mini R55 R56 Electric Window Lifter Actuator Motor Door Left N/S 2753721
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7595179-17
BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
Promo price
£161.95
£97.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9176824
BMW X5 E70 Footwell Light Control Module Unit LEAR PL4 FRM II 9176824
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7536512
BMW F30 LCI F45 Mini F60 High Voltage Battery Controller SME Module ECU 7536512
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1718204326
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326
Promo price
£161.95
£137.66
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129004407
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103
Promo price
£51.95
£44.16
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1715450032
Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9342033
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9326204
BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. P0148459-PS
Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9283511
BMW 3 Series F30 Hifi Audio Sound Speakers Amplifier Control Unit ECU 9283511
£42.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1698202675-1
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9253209
BMW E81 E87 LCI E90 E91 N43 DC/DC Wandler Torque Converter Module ECU 9253209
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2125400382
Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7559178-3
BMW E60 E61 530i E90 E91 330i N52 258HP Engine ECU Kit DME 7559178 CAS2 2 Keys
Promo price
£379.95
£227.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9244422
BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9222874
BMW E60 E61 Professional Navigation System CIC Sat Nav Controller 9222874
Promo price
£379.95
£322.96
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2609060100
Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
Part no. A2049001813
Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001813
£42.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2049009410
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
Promo price
£51.95
£44.16
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1775404007
Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1775404007
Promo price
£56.95
£48.41
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6932452
BMW 5 6 Series E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8512498
BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9318579
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9318579
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 9393194-1
BMW F30 LCI F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393194
£731.95
Free delivery: Feb 09
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 .