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. A0009058000
Windscreen Camera Mercedes W207 W221 Front Windshield Module Unit A0009058000
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9315152
BMW X3 F25 Fuse Box Grouping Map Diagram Location 9315152
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8605454
Engine Wiring BMW F10 F21 F30 LCI F36 N20 Loom Module Harness Cable 8605454
Promo price
€66.95
€56.91
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2218702086
Mercedes W221 Rear Seat Control Module Unit ECU A2218702086
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 6911908
On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 6911908
Promo price
€85.95
€51.57
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 9G9T-14B533-AB
Ford Mondeo Mk4 Front Door Control Module Unit Driver's Side 9G9T-14B533-AB
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8XA035193
Audi A1 8X Navigation Head Unit Radio Audio MMI CD Player Stereo 8XA035193
€569.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 7273666
BMW F30 F31 F32 Rear Tailgate Smart Opener Upper Antenna 7273666
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6799659
BMW F10 F11 ICM Module Integrated Chassis Management QL ES Control Unit 6799659
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 7L0937401B-1
VW Volkswagen Touareg 7L Power Distribution Box Control Unit Plus 7L0937401B
€37.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 06L971627K
Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9141446
BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2215403110
Mercedes W221 Positive Battery Cable Wire A2215403110
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6956748
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Tiefgruen Green A43 6956748
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2469003615
Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615
Promo price
€70.95
€60.31
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2513200058
Mercedes ML W164 W221 Air Suspension Valve Block Control Unit Module A2513200058
Promo price
€61.95
€52.66
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8379938
BMW 3 Series E46 Ultra Sonic-Module 8379938
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9118108
BMW 1 Series E81 E82 Wiring Set Door Co-driver 9118109
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8P4971693P
Audi A3 8P Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8P4971693P
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 4E0035670C
Audi A6 C6 A8 D3 Navigation Radio CD SD SIM Player MMI Head Unit 4E0035670C
€237.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. KK2T-9K499-CKC
Ford Transit Custom Exhaust Emission Control Wiring Harness KK2T-9K499-CKC
€94.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 4G8959793A
AUDI A7 4G8 Door Control Module Front Left N/S Driver Side 4G8959793A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 2127341
Ford Mustang Mk6 Cable Harness Wire FR3T-13A840-CB
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. CM5T-14B006-AA
Ford Focus Mk3 Air Module Crash Impact Sensor CM5T-14B006-AA
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 9G9T-14B533-FB
Ford Mondeo Mk4 Front Door Control Module Unit Driver's Side 9G9T-14B533-FB
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. A2218704887
Mercedes C216 W221 Air System Module Control Unit Module ECU A2218704887
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 4H0907182G
Audi A8 D4 4H Multicontour Seat Module Control Unit Left Right N/O/S 4H0907182G
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. C1BT-14A584-BDF
Ford Fiesta Mk7 Front Door Wiring Harness Cable Driver's Side C1BT-14A584-BDF
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8654466-1
BMW F45 225i 231HP B48 Engine ECU Kit Unit DME 8654466 BDC Key Automatic
Promo price
€664.95
€398.97
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 4S41-12A650-BB
Ford Transit Connect 1.8 TDCI Engine Control Module ECU 4S41-12A650-BB Manual
€66.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7222633
BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6980177
BMW X1 X3 X5 X6 Z4 Z8 Relay Changeover Function Green 6980177
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8573260-4
ECU Kit BMW F20 F21 116d ed Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€398.95
€239.37
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8386708
BMW X5 Series E53 Xenon Headlight Ballast Control Unit Module Hella 8386708
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8510592-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key 8510592
Promo price
€94.95
€56.97
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9387145
BMW F30 LCI 330e B48X Negative Earth Cable Battery 9387145
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 6934011
BMW 7 Series E65 E66 Cable Harness Loom Front Door Wiring Left N/S 6934010
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8506281
BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9251722
BMW F20 Front Left Door N/S Wiring Loom Harness Cables 9251715
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A1779069601
Mercedes W177 W247 Fuse Box Front Relay Engine Control Unit Module A1779069601
Promo price
€42.95
€36.51
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8W0907159D
Audi RS4 B9 A5 F5 Impact Sound Module Control Unit 8W0907159D
€42.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6949226-2
4 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. JK2T-14D599-AG
Ford Transit Custom Rear Blind Spot Radar Sensor JK2T-14D599-AG
€132.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2216890614
Mercedes W221 PDC Distance Control Holder Bracket A2216890614
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. A2215457832
Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832
Promo price
€80.95
€48.57
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 4H0937555
Audi A8L 4H Fuse Box Relay Chamber Lower Cover Lid Housing 4H0937555
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. CV1T-14B533-AE
Ford B-Max Mk1 Front Door Module Control Unit Passenger Side CV1T-14B533-AE
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9301309
Air Conditioning Unit BMW F20 F21 F30 F31 Control Unit A/C Module 9301309
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8Y4971104BK
Audi S3 8Y Rear Bumper Wiring Harness Cable Loom 8Y4971104BK
Promo price
€70.95
€60.31
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8P0907357F
Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 6819334
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 6819334
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9342080
BMW Mini Cooper F55 F56 F57 F60 Telematics Control Unit Module 2622390
Promo price
€47.95
€40.76
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. A6519007500-4
Mercedes W204 C250 CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€108.95
€65.37
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 7127282
BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9343687
BMW F01 LCI F07 F10 F11 F25 Safety Control Unit Air Module Bag ECU 9343687
Promo price
€42.95
€36.51
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6964142
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A0005401203
Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2189058500
Mercedes CLS X218 Antenna Amplifier Rear Aerial Control Module A2189058500
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6962783
Mini Cooper One R50 Cable Harness Wiring Loom Door Front Left N/S 6962783
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 03L906018RC-1
Audi Q3 8U 2.0 TDI CFGC Quattro Engine ECU Kit 03L906018RC Ignition + Key Manual
Promo price
€189.95
€113.97
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8W0907217D
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
€227.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6949226-1
2 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8603352-5
BMW F20 F21 F30 N13 1.6 170HP Engine Control Module ECU DME Kit 8603352 Manual
€455.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. C1BT-14K138-BDF
Ford Fiesta Mk7 Front Door Wiring Harness Cable Left N/S C1BT-14K138-BDF
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 7473684
Door Cable BMW F25 F26 Right O/S Wiring Loom Harness Handle Light Lamp 7252538
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7604347
BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A6269000000
Mercedes W205 C 200 d 626951 626.951 136HP Engine Unit ECU A6269000000 Automatic
Promo price
€170.95
€145.31
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8K0971035BB
Audi A5 8T Front Driver Side Door Wiring Harness Cable 8K0971035BB
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. A4709820700
Mercedes W470 Glow Plug Relay Module Unit A4709820700
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 2T1411000BC
Ford Transit Connect Starter Motor Engine Diesel 2T1411000BC
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€308.95
€185.37
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6915327
BMW E46 E39 E60 E81 E87 E90 E91 F10 F20 F30 Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2189000104
Mercedes CLS X218 Parktronic PDC Parking Assist Control Module A2189000104
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7P0959354
Porsche Cayenne 92A Front Side Door Crash Sensor Left Right N/O/S 7P0959354
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 6820526
Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526
Promo price
€142.95
€121.51
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 070903024B
Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
€80.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9805524-LW
Mini R60 Rear PDC Ultrasonic Parking Sensor Light White 9805524
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2479007708
Rain Sensor Mercedes C118 W177 W247 Front Windscreen Light Unit A2479007708
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 3455305-1
2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 3456478
Mini R58 Door Module Harness Wiring Loom Cable Set Driver's Side 3456478
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. MB3T-14A411-SRC
VW Volkswagen Amarok NF Ford Ranger Cab Wiring Harness Loom MB3T14A411SRC
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 7L6907357C
Seat Ibiza IV VW Touareg 7L Phaeton 3D Headlight Control Module Unit 7L6907357C
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8T0907441B
Audi S5 8T Rear Reversing Camera Module View Camera Control Unit ECU 8T0907441B
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. KK2T-15K868-BBE
Ford Transit Custom Mk8 Rear Bumper Parking Sensor Wiring Loom KK2T-15K868-BBE
€51.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 06E903024L
Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
Promo price
€108.95
€65.37
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 81A955555B
Rain Sensor Audi Q3 RSQ3 F3 Front Windscreen 81A955555B
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A0015424723-1
Mercedes W204 W207 W221 Parking Sensor Display Control PDC A0015424723
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2139068701-1
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068701
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2139004709
Mercedes W213 Door Module Rear Left N/S Control Unit A2139004709
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8580307
BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual
Promo price
€94.95
€56.97
Free delivery: Feb 17 – 20
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 .