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.
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Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 5Q0959592K
Audi Q2 GA Door Module Control Unit Front Passenger Side 5Q0959592K
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9123049
BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 9123049
Promo price
€56.95
€48.41
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 8W6971029BF
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971029BF
€85.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9240945
Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6972064
BMW 1 3 X1 SERIES E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6972064
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9119446
BMW E81 X1 E84 E87 E90 E91 E92 Fuse Box Power Distribution Unit Front 9119446
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 9268710-1
BMW F01 Display Screen On-Board Central Information Monitor 10,25" 9241819
€32.95
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. GK2T14B526CE
Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9325723
BMW G30 G31 Suppression Filter Aerial Antenna Amplifier Module 9325723
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2139001909
Mercedes W213 Ambient Lighting Control Unit Module ECU A2139001909
Promo price
€56.95
€48.41
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A6519007500-16
Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
€42.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9220695
BMW X5 X6 E70 E71 Control Unit Module Top Rear Side View Camera 9220695
Promo price
€66.95
€56.91
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9116978
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9116978
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 5WA971794R
VW Golf 8 1.5 eTSI HV Battery Positive Terminal Harness Cable Wiring 5WA971794R
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9266384
BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384
Promo price
€56.95
€34.17
Free delivery - Fri, Oct 24
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 - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9688268580
Citroen C4 Starter Motor Diesel Engine 1.6 HDI Actuator Unit 9688268580
Promo price
€56.95
€34.17
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9315685
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685
Promo price
€47.95
€28.77
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 8S0915181A
Audi TT FV HV Battery Negative Terminal Cable Harness Loom Wiring 8S0915181A
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9298959
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
Promo price
€56.95
€34.17
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A2661538979-1
Mercedes W169 A150 W245 B150 Engine Control ECU Kit A2661538979 + Key Automatic
Promo price
€265.95
€159.57
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 04L906021BQ
Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
Promo price
€56.95
€48.41
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9383681
Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 13275881
Promo price
€123.95
€74.37
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2129004014
Mercedes W204 W212 Front Door Module Control Unit Module Left N/S A2129004014
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 3AF971104L
Volkswagen Passat B7 PDC sensor Wiring Loom Harness Cable Rear Bumper 3AF971104L
€42.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2465402610
Mercedes-Benz A B W176 W246 160 180 CDI Alternator Cable Loom Wire A2465402610
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 06E911021D
Audi S5 8T A6 C7 Engine Starter Motor 3.0 TFSI Petrol CGWC 06E911021D
€42.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. W639 Taxi Modules
Mercedes Vito W639 Control Unit Set Taxi Rear Wheel Steering Intercom Module
Promo price
€332.95
€199.77
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9653805580
Peugeot 308 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9653805580
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 9247480
BMW X3 F25 CAS4 Key Reading Module Unit Control ECU 6809374
€37.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 8577834
BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic
Promo price
€156.95
€94.17
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2469054201
Mercedes CLA C117 W176 Aerial Booster Antenna Amplifier A2469054201
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A1669007814
Mercedes W166 W176 Navigation Screen Head Unit Sat Nav Display A1669007814
€123.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2048709289
Mercedes W204 Right O/S Antenna Amplifier Filter Module A2048709289
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9240083
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9240083
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 8W6971030BF
Audi A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971030BF
€85.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9201989
BMW X3 X5 X6 E60 E61 LCI E70 E71 F01 F02 F25 Rain Light Solar Sensor
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9187534
BMW E81 Body Control Module Unit ECU L2 PL2 JBBFEII 9187534
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 55568953
Opel Insignia A 2.0 Cdti Oil Level Crankshaft Sensor Wiring 55568953
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6958525
BMW X5 X6 E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6958525
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 8631833
Mini R55 R56 R57 LCI R60 Automatic Gearbox Basic Control Unit EGS 7356237
Promo price
€37.95
€32.26
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 8514032
BMW X3 F25 X4 F26 Diesel B47 Alternator Starter Wiring Holder Cover 8514032
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 4G8959792J
Audi A7 4G8 Door Control Module Front Passenger Side 4G8959792J
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A1665400841
Ground Line Mercedes ML W166 Battery Earth Negative Cable Wire A1665400841
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 2284105
Parking Brake Module BMW F10 M5 F12 F13 M6 Control Unit Lock Module 2284105
Promo price
€80.95
€48.57
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 9205479
BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
€66.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6983075
BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7552638
BMW Z4 Series E85 N52 Roadster Earth Cable Battery 7552638
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A2535403700
Mercedes X253 Rear PDC Parking Aid Sensors Harness Wiring Loom Cable A2535403700
Promo price
€42.95
€25.77
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7636757
BMW F20 F21 F30 F31 N13 Protection Cap Engine Wiring Harness 7636756
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 8V7035225B
Audi A3 8V Antenna Amplifier Rear Right O/S 8V7035225B
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A1715405045
Mercedes SLK R171 Central Gateway Module ECU Control Unit A1715405045
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2139065706
Mercedes W205 W213 Front Engine Compatment Fuse Relay Box Module A2139065706
Promo price
€37.95
€32.26
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A0018275101
Mercedes W164 Tyre Pressure Sensor Rear Right Left Antenna Module A0018275101
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 4G8971085DP
AUDI A6 C7 A7 FY Sensor Harness Installation PDC Radar 4G8971085DP
Promo price
€56.95
€34.17
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9197316
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 1388911
BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 9240530
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9240530
€113.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A6394460132
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460132
Promo price
€284.95
€170.97
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A1679000111
Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000111
Promo price
€332.95
€283.01
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2469008813
Module Mercedes W176 A45 AMG M133 4matic All Wheel Drive Control A2469008813
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A9075406849
Mercedes Sprinter W907 Ground Line Battery Earth Cable Wire A9075406849
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2115450301-1
Mercedes S211 W211 W219 Fuse Distribution Box Unit A2115453901
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6863389
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863389
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 6970090
BMW E63 E64 Start Stop Switch Wiring Harness Cable Loom Connector 6970090
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9344087
Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
Promo price
€284.95
€242.21
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 4B0955531A
Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 8X0959793H
Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2118206185
Mercedes E S Class W211 W220 Telephone Hands Free Control Module A2118206185
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 6C0959653
VW Polo 6R Seat Ibiza 6J Clock Spring Steering Column Squib Ring 6C0959653
€28.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9123605
BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605
Promo price
€33.95
€28.86
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 8J0915459
Audi A4 B8 A5 8T TT MK2 Positive Battery Terminal Cable Overload Fuse 8J0915459
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 4H0907063CF
Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
Promo price
€47.95
€40.76
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A9075401205
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401205
Promo price
€32.95
€28.01
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 8654977
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977
Promo price
€175.95
€149.56
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A4479001118
Mercedes W447 Front Air Module Control Unit ECU A4479001118
Promo price
€488.95
€293.37
Free delivery - Fri, Oct 24
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 - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2056186000
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186000
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7700844682A
Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 8590041
BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786
Promo price
€32.95
€28.01
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2125458040
Bracket Holder Mercedes W204 W212 W222 Auxiliary Generator Battery A2125458040
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A6519007500-11
Mercedes W204 C 200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
€170.95
€102.57
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A1645400641
Mercedes-Benz M-Class W164 Battery Ground Earth Strap Cable Wiring A1645400641
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A0015424623-1
Mercedes-Benz C E A207 W204 W212 1 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 2191045
Ford Transit Connect Glow Plug Wiring Loom Cable Wire 1.5 TDCi Diesel 2191045
€28.95
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 1742690-1
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 7638322-1
Mini Cooper R56 LCI N16 1.6 122HP Petrol Engine ECU Kit DME 7638322 + CAS3 + Key
Promo price
€284.95
€242.21
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 8K0971036B
Audi RS4 B8 Door Wiring Harness Cable Loom Front Right O/S 8K0971036B
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 4H0911075B
Audi A8L 4H Power Positive Distribution Junction Jumper Box Housing 4H0911075B
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A0009003713
Mercedes W205 Tyre Pressure Control Module Unit A0009003713
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 3Q0907338E
Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338E
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 8614302-5
BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
Promo price
€617.95
€370.77
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A2048208285
Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
€32.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9181454
BMW X1 E84 Aerial Antenna Noise Suppression Filter 9181454
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6844138
BMW 1 3 F20 F30 MINI F55 F56 Radio Remote Control Receiver 434 MHZ 6844138
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
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 .