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
-15%
Part no. 9367673
Mini Cooper F55 F56 F57 Visual Boost Surround Central Cover Instrument 9367673
Promo price
£42.95
£36.51
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9177754
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129018508
Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9261599
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Estoril Blue 2
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8X0959795C
Audi Q3 8U Door Module Rear Left Door Control Unit 8X0959795C
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6821205
Battery Wire Mini Cooper F55 F56 F57 IBS Negative Battery Lead Cable 6821205
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9355549
BMW 1 2 3 4 Series F20 F22 F21 F30 F32 LCI ECU USB Hub Module 9355549
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
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Part no. 6989136-1
BMW E60 E61 E63 PDC Rear Parking Sensor Ultrasonic Titangrau II - A08 6989136
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-A2479007004
Mercedes W177 Dash Monitor Display Speedo Meter SAT NAV Screen A2479007004
Promo price
£132.95
£113.01
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9390578
BMW 2 X1 Series F45 F48 Mini F55 F56 F60 Airbag Control Unit Module ECU 9390578
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 4G0035223C
Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
Promo price
£75.95
£64.56
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2139003617
Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8624382
BMW 1 3 Series F20 F30 F31 LCI Line Cable Power Distribution Module 8624382
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2139001722
Mercedes W213 W907 Transmission Gearbox Control Unit Module ECU A2139001722
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2038270642
Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 6961363
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961363
£94.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7579142-14
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7579142 CAS3 Key Automatic
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9275509
BMW F07 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9275509
Promo price
£208.95
£125.37
Free delivery: Feb 09
If paid before 14:00
Part no. 7600020-4
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600020 CAS3 Key Manual
£94.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-9154971
BMW Z4 Series E89 Roadster Cabrio Power Distribution Fuse Box Front 9154971
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-7570540
BMW 1 3 E87 LCI E90 Petrol N43 Wiring Loom Harness Manual Gearbox 7570540
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9138440
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
Promo price
£379.95
£227.97
Free delivery: Feb 10 – 17
If paid before 14:00
Part no. 7600562
BMW Mini Cooper S R55 R56 Automatic Gearbox ECU Control Unit EGS Module 7600562
£71.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9137804
Mini Cooper One R55 R56 R57 R58 R59 Drivers Door Wiring Harness Loom 9137804
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7075944-2
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6860387
Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6912817
BMW E46 Z4 E85 E86 Antenna Amplifier Diversity 6912817
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009821923
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relay A0009821923 Red
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6752866
Accelerating Sensor BMW E60 E61 E63 E64 E65 E70 Control Unit Module 6752866
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9134667
BMW X5 E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9134667
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2129003414
Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
Part no. 9283247
BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
£85.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2059000441
Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441
Promo price
£113.95
£96.86
Free delivery: Feb 09
If paid before 14:00
Part no. 4F0959792T
Audi A6 C6 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
£13.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9247465
BMW X5 E70 X6 E71 Body Control Unit Module Junction Box ECU 9247465
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7520912-1
BMW E60 E61 E63 E64 LCI Lid Cover Panel Electronic Box 7520912
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 6956020
BMW MINI Cooper Cabrio Convertible R52 Rear Bumper PDC Cables Wiring Loom Set
£28.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0025421119
Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6900582
BMW 7 Series E65 E66 Fuse Board Power Distribution Box
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6974890-MYS
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9112463
BMW Z4 E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9112463
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9251701
BMW F20 F21 F30 F32 CIC Display Screen Connecting Cable Wiring Loom Lead 9251701
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6864204
ICM Module BMW F20 F21 F30 F31 Control Unit 6864204
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0025450901
Mercedes W169 W245 W906 Fuse Holder Electrical Fuse Box Bracket A0025450901
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9224588
BMW E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9224588
Promo price
£137.95
£82.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9227178
BMW E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
Part no. 7524695
BMW Mini Cooper S R52 R53 Gearbox Basic Control Unit EGS 7524695
£123.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8610006-1
Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
Promo price
£408.95
£245.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9251487-1
BMW E88 Cabrio Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
Promo price
£142.95
£121.51
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 3412531
BMW X3 E83 Light Lamp Switch Wiring Wire Cable Plug 3405795
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6819336
BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7600020-7
Mini R55 R56 R57 N12 DME Petrol Engine Control Unit ECU 7600020
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9234087
BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009822923
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey A0009822923
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6944962
BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8644475
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8644475 12638644475
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3420786
BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2513200158-1
Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469052403
Mercedes W156 W176 Battery Cable Negative Lead Terminal Harness A2469052403
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1698202185
Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7120204
BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6954130
BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Right O/S 6954130
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6947786
BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8515466
Engine Wiring BMW E90 E91 LCI 318d N47N Diesel Manual Cable Loom Harness
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6982387
BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6982387
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009006612
Rear Module Mercedes C205 W205 Fuel Pump Control Unit A0009006612
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 1K0915181H
Audi A3 8P Negative Cable Battery Terminal Wiring Loom 1K0915181H
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8355056
BMW 5 X5 Series E53 Fuel Tank Flap Actuator 8355056
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1645453716
Mercedes ML W164 Parking Module PDC Distance Control Unit Sensor A1645453716
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0025428319
Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2059006822
Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. E87 E90 Cable Aux 178cm
BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2465401850
Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. N000000004325
Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9298960
REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6858017
BMW F10 F11 LCI Control Unit EMF Module 6858017
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2475411000
Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A2475411000
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8605258
Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
Promo price
£113.95
£96.86
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9170453
BMW X5 E70 Footwell ECU Light Control Module Xenon FRM II Lear 9170453
Promo price
£142.95
£85.77
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 7624412
BMW 1 3 Series F20 F21 F30 Cable Alternator Starter Base B Wire 7624412
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A6399003000
Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9119496
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
Promo price
£32.95
£19.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9387262
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262
Promo price
£94.95
£80.71
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 9234421
Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 415047
Mini Cooper One R55 R56 R57 Cable Adapter iPod Connection 0415047
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9281723
BMW Z4 Series E89 Roadster Cabrio Convertible Top Module CTM 09281723 9281723
Promo price
£237.95
£142.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 02M911023M
Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M
Promo price
£13.95
£13.25
Free delivery: Feb 09
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
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1698201585
Mercedes W245 ECU Control Unit Sensor Air Module A1698201585
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6826984
Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6919812
BMW E60 E65 E66 E67 Front Seat Sensor Mat 6919812
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
Part no. 9313607
BMW 3 4 Series F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9260019
£47.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-7506846
BMW X5 Series E53 3.0i M54 Wiring Loom Harness Engine Ignition Module 7506846
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7809001-1
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9361145
Mini Cooper One R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9361145
Promo price
£132.95
£79.77
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 .