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. 6957761
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6957761
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6928050
BMW 7 Series E65 E66 E67 Battery Cable Wire Earth Ground Minus Negative L=260MM
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6926962
BMW E60 E61 Front Seat Adjustment Switch Right O/S 6926962 6930048
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7H0907655A
Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. X3E83REARWIRINGLOOMPDC
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8631727-3
BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6925942
BMW E60 E61 Cable Loom Door Wiring Harness 6925942
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9321022
BMW Mini Cooper F55 F56 F57 B Junction Terminal Box 300-400 W 9321022
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7801158
BMW 3 5 X5 Series E60 N E70 E90 F30 Exhaust Lambda Probe Oxygen Sensor 7801158
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8652746
Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Engine Control Unit DME 8652746 Manual
Promo price
€446.95
€379.91
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8585729
BMW 3 Series F30 320d N47N Engine Gearbox Module Wiring Loom Harness Cables Set
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 6950525-1
2 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8V4971693F
Audi A3 8V Rear Left Right N/O/S Door Card Wiring Loom Harness 8V4971693
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1665400141
Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9257152
Telematics Bluetooth BMW F10 F20 F22 F30 Combox GPS Control Unit Module 9257152
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0959795Q
Audi A5 B8 8T Door Module Control Unit Left Right N/O/S 8T0959795Q
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A4475400053
Mercedes Vito W447 Negative Battery Cable A4475400053
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9868383
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9868383
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6C0959655J
Control Unit Seat Ibiza 6J VW Polo 6C 6R Air Module Unit ECU Bosch 6C0959655J
Promo price
€80.95
€68.81
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0015453916
Mercedes CL 203 Automatic Gearbox Control Unit Module ECU A0015453916
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9213372
Mini Cooper One R55 R56 R58 Electrical System Fuse Distribution Box 9213372
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2129003414
Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414
Promo price
€132.95
€113.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8572129
BMW 2 3 Series F22 F30 Diesel N47N Wiring Loom Harness Engine Module 8507896
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9380885
BMW 1 3 4 F20 F30 F32 Control Unit Air Conditioning A/C Module 9380885
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. BK3D18D815BE
Ford Transit MK8 Radio Stereo Audio USB Head Unit Panel BK3D-18D815-BE
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7552176-8
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox
€170.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A2469003818
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469003818
€332.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1779069601
Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601
Promo price
€80.95
€48.57
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7839665
BMW E90 E92 E93 LCI M3 S65 Cable Alternator Starter Wiring 7839665
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9389070
BMW F20 F30 LCI REM Electric Power Distribution Fuse Box Control 9389070
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2076822704
Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8509722-1
Control Unit Box BMW F20 F21 F22 F30 F31 Engine Ecu Cover 8509722
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2075405105
Mercedes W204 C207 W212 Panoramic Sunroof Wiring Cable Harness A2075405105
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6960219
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9366920
Mini F55 F56 PDC Parking Distance Sensor Module Control Unit ECU 9366920
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6857314
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7964084-LMB
BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7928648
BMW G30 LCI Radio Remote Control Receiver Module ECU Unit 434 Mhz 7928648
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2059007615
Module Mercedes W205 Air Conditioning Control Module A2059007615
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 3402979
BMW X3 Series E83 2.0d Diesel M47N2 Wire Line Lead For Preheater System 3402979
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 6758750
BMW E60 E61 E63 E64 DSC Hydro Braking Pump Unit Speed Sensor
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2218211251
Mercedes W221 Dashboard Instrument Cluster Panel Button Switch A2218211251
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8617722
Wiring Harness BMW F48 Mini F55 F56 B38 Petrol Engine Servotronic Module 8617722
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6934002
BMW 7 SERIES E65 E66 Door Wiring Harness Mod Carrier Front Left N/S 6934002
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9117847
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6926459
BMW X1 E81 E82 E84 E87 E88 E90 E91 E92 Climate Control Solar Sensor 6926459
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9184559
Seat Control Module BMW E60 X5 E70 ECU Seat Unit Controller 9184559
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7649090
Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2079010100
Air Module Mercedes W207 C207 Coupe Control Unit ECU A2079010100 5WK43967
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8636064
Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064
Promo price
€85.95
€73.06
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9226880
BMW F20 F21 Radio Aerial Antenna Amplifier AM/FM Control Unit Module 9226880
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1695453740
Mercedes-Benz A-Class W169 Fuse Box Unit Holder Bracket Frame A1695453740
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0009058112
Mercedes C118 W177 W247 Negative Battery Terminal Cable Lead A0009058112
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5Q0959435A
Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5Q0959435A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8W0959595N
Audi A4 B9 Door Module Rear Right Left N/O/S Control Unit 8W0959595N
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8576333-2
Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9252815
BMW F01 F02 F10 F11 LCI Power Distribution Fuse Box Front 9252815
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4G2907311C-1
Audi A7 4G8 3.0 TDI CRTE 218HP Quattro Engine ECU Kit 4G2907311C BCM2 + 2 Keys
Promo price
€664.95
€398.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9174271
BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0048201910
Mercedes W124 E280 Acceleration Sensor For Belt Locking Retractor A0048201910
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A9079002407
Mercedes W907 Electronic Ignition Module Control Unit A9079002407
Promo price
€161.95
€97.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9325545
BMW F11 Parking Brake Module Wiring Cable Harness Loom 9325545
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9281068
Antenna Receiver BMW F33 F83 M4 Convertible Aerial DAB Unit 9281068
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9290621
BMW F33 F83 M4 Convertible Top Phone Antenna Aerial Module CTM Unit 9290621
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0009820412
Mercedes W176 W205 W212 Voltage Converter Power Distributor Plug A0009820412
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2048207385
Mercedes-Benz C W204 Front Left Door N/S Control Unit Module A2048207385
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2749003900
Mercedes Vito W447 Electronic Control Unit Module ECU A2749003900
Promo price
€137.95
€82.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6958414
BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118209126
Mercedes-Benz C E Class W203 W211 Alarm Anti Theft System Control Module Unit
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1775455100
Mercedes W177 AMG Antenna Amplifier Control Unit Module A1775455100
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8W0906093F
A4 B9 35 TFSI Fuel Pump Sender Control Relay Module Unit ECU 8W0906093F
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0959795M
Audi A6 C6 Rear Door Left Right N/O/S Module Unit Control ECU 4F0959795M
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T8971845
Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9311849
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 9311849
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3419515
BMW E83 LCI Valvetronic Starter Cable Wire Loom 3419515
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0009001810
Windshield Camera Mercedes W166 R172 Driver Assist Front Camera A0009001810
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6857262
Air Module BMW F01 F02 LCI F10 F11 F13 ICM SRS Control Unit ECU Bosch 6857262
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 5A410C5
BMW U06 iX I20 Headlight Headlamp Control Module Unit FLM2 Mid 5A410C5
€137.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A6519007401-2
Mercedes W204 C250CDI Blue Efficiency OM651.911 204HP Engine ECU A6519007401 Key
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1729006903
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729006903
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0009820112
Mercedes W177 W207 Power Energy Distribution Unit Module A0009820112
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7M0951253A
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 7M0951253A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 90589541
Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 90589541
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6906600
Fuse Box Mini Cooper R50 R52 R53 JCW Housing 1509011
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7522284-1
Mini Cooper One R50 R52 W10 1 Battery Cable Plus Pole 7522284
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8470176-4
Mini Cooper D F55 F56 B37 1.5 116HP Engine ECU Kit DME BDC + Key 8470176 Manual
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A6511501879-3
Mercedes W639 OM651.940 113 CDI 136HP Engine Module ECU A6511501879 Automatic
Promo price
€137.95
€82.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0365457032
Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9321879
BMW F10 LCI Body Control Module Gateway ECU 9321879
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8648856
BMW F39 F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648856
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9177979
BMW E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9177979
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9165624
BMW E93 Air Module Control Unit Module ECU 9165624
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .