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. 8579478-4
BMW F20 F30 120d 320d Diesel N47N 184HP ECU Unit DDE 8579478 Automatic
Promo price
€94.95
€80.71
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2059007037
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2059007037
Promo price
€66.95
€40.17
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 8709212
Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212
€142.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8200263345
Renault Relay III Unit Module 4 Pins 12V 8200263345
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2048207885
Mercedes-Benz C-Class W204 Rear Right Door O/S Control Unit Module A2048207885
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8644376
BMW G20 G30 F40 F45 Mini F54 F56 F60 Crankshaft Position Sensor 8644376
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A0025422619-2
Mercedes ML W163 Relay 4-Pin Grey Tyco Set Kit A0025422619
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 4L0971767
Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 6928376
BMW 5 6 Series E60 E61 LCI E63 E64 Cable Wiring Set ARS Valve Block 6928376
Promo price
€47.95
€40.76
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 8K0971104C
Audi A4 B8 Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104C
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 6935667-2
BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
Promo price
€70.95
€42.57
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 4E0910552G
Audi S8 D3 5.2 FSI 450HP BSM Quattro Engine Unit ECU 4E0910552G Automatic
Promo price
€379.95
€227.97
Free delivery - Fri, Nov 07
If paid before 14:00
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Part no. 8H0951178
Audi A4 B7 Cabrio Alarm Signal Body Control Sensor Module Unit 8H0951178
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
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Part no. 9252812
BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812
Promo price
€51.95
€31.17
Free delivery - Fri, Nov 07
If paid before 14:00
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Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
€113.95
€68.37
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
Part no. 5Q0959595M
Audi Q2 GA Front Door Module Control Unit Controller Passenger Side 5Q0959595M
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
Promo price
€66.95
€56.91
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 8384505
BMW E46 E60 E61 E63 E64 Windscreen Wipers Relay Brown 8384505
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9269896
BMW X3 F25 Business CD Radio Player Head Unit Control 9269896
Promo price
€165.95
€141.06
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8507880
BMW 1 3 Series F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9198302
BMW F10 F11 F20 F21 F30 F31 130A Electric Fan Motor Relay 9198302
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9805533-1
Mini R60 Rear PDC Parking Sensor Royal Grey Metallic - A48 9805533 SET x2
€28.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 4L0907290
Audi Q7 4L Gateway Convenience Module Unit Control ECU 4L0907290
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 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 - Fri, Nov 07
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, Nov 07
If paid before 14:00
Part no. 5Q0955547C
Skoda Octavia Fabia Mk3 VW Polo Mk6 Rain Sensor Control Unit Module 5Q0955547C
€28.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 191937503
VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7542310
BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7542310
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 4H0959795E
Audi A8 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795E
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6907519-1
BMW 7 SERIES E65 E66 E67 Battery cable plus pole 6907519
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1669002700
Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 969713
BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9244394
Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 7853460
Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460
Promo price
€94.95
€56.97
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9866978
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9866978
€42.95
Free delivery - Fri, Nov 07
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, Nov 07
If paid before 14:00
-5%
Part no. 6920472
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A9075401805
Mercedes Sprinter W907 Battery Terminal Unit Connection Box A9075401805
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A9108805600
Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9210148
BMW F20 F30 Central Bass Speaker Stereo Subwoofer Right O/S 9210148
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2049060205-1
Mercedes C204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8600358
BMW F20 F30 LCI MINI F55 F56 Integrated Relay Supply Module 8600358
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7L0864643B
Battery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenne 9PA Top Cap 7L0864643B
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 6939760-COOL
Mini Cooper R50 PDC Ultrasonic Parking Sensor Cool Blue Metallic A27
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9124952
BMW 3 Series E90 E91 E92 E93 LCI Cable Duct Battery Lead Rear 9124952
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 4H0907468AC
Audi A8L 4H Gateway Control Module Unit 4H0907468AC
Promo price
€137.95
€82.77
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9159332
BMW F01 F10 F11 Heater Fan Blower Unit Motor Wiring Cable Harness 9159332
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6949081
BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9200503
BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9395173
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9395173
Promo price
€189.95
€113.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2038201485
Mercedes W203 Door Control Module Front Right O/S A2038201485
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A1729060005
Mercedes R172 Rear SAM Fuse Relay Box A1729060005
Promo price
€89.95
€53.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6943771
BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2044407441
Earth Ground Cable Mercedes W204 W207 W212 W218 Battery Wiring Loom A2044407441
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7631558
Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A1669003208
Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208
Promo price
€142.95
€85.77
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9187533
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9270491-BS
PDC Parking Sensor BMW E70 LCI F07 F25 Ultrasonic Black Sapphire 9216207
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 7570488-2
Mini Cooper 2 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Remy 7570488
Product currently unavailable
-5%
Part no. 9803844
Mini Cooper Countryman R60 R61 Aerial Roof Antenna Base Module 9803844
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 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 - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8T0959792H
Door Module Audi A5 8T A4 B8 Control Front Left N/S Unit 8T0959792H
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2055402850
C205 Fuse Box Mercedes C205 Electrical Interior Relay Fuse Socket Control A2055402850
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0035423019
Power Relay Control Mercedes W176 W246 Module 4 Pin 12V 20A A0035423019
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 1K0971235J
Audi A3 Volkswagen Golf Battery Wire Cable Negative Earth Lead 1K0971235J
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 5Q0937084CJ
Audi A3 8V 1.6 TDI DBKA BCM Body Control Module Unit ECU 5Q0937084CJ
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8577243
BMW X3 F25 Battery Cable Wire Lead Positive Alternator Starter X4 F26 8577243
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9270020
BMW F06 F12 F13 Front Wiring Loom PDC Harness Parking Sensor 9270020
€89.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2048704426
Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 4H0919275-SDA
Skoda Octavia 1Z PDC Parking Sensor 4H0919275 Anthracite Grey Metallic - F8J
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2075400740
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 24445098
Opel Astra Vectra Zafira Immobilizer Antenna Immobilizer Module Unit 24445098
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 7556880
Engine Wiring BMW Z4 E85 E86 Petrol N52 Loom Harness Module Manual 7556880
Promo price
€227.95
€136.77
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6926435
BMW 1 3 Series E87 E90 Mini R56 R57 Seat Control Unit Module Heating 6926435
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9270392-1
BMW F20 F21 F22 Central Information Display Screen 6,5" 9270392
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 4F0959760D
Audi Q7 4L Front Seat Memory Control Module Unit ECU Left Right N/O/S 4F0959760D
€118.95
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8510221-18
BMW E90 E91 E92 LCI 325d N57 204HP ECU Engine Module DDE 8510221 Automatic
Promo price
€42.95
€25.77
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9263800-1
BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
Promo price
€123.95
€74.37
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A6519007401-6
Mercedes SLK R172 250CDI 651.980 204HP Engine ECU Kit Ignition + Key A6519007401
Promo price
€189.95
€113.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8T0959793F
Door Module Audi A5 8T A4 B8 Control Front Right O/S Unit 8T0959793F
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. DV6T14B533BD
Ford Transit Connect Door Module Front Left N/S Control Unit ECU DV6T14B533BD
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8639595
BMW F30 F31 F32 320i 420i N20 ECU Engine Control Unit DME 8639595 Automatic
Promo price
€336.95
€202.17
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2649000700-2
Mercedes W205 C 200 264915 264.915 184HP Engine ECU Module A2649000700 Automatic
Promo price
€246.95
€148.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8S0820047
Audi TT FV 8S A/C Air Condition Climate Control Module Unit ECU 8S0820047
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1648208289
Mercedes ML W164 Radio CD Player Audio Stereo Head Unit A1648208289
Promo price
€85.95
€73.06
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A6398201689
Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689
Promo price
€284.95
€170.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7356250
BMW E92 LCI Coupe Mini R56 R57 Xenon Headlight Ballast Headlamp Control 7356250
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9250459
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A0009827723
Fuse Relay Mercedes W176 W204 W246 4-Pin Unit Black Hella A0009827723
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 954104H411
Hyundai H-1 Body Control Module Control Unit BCM ECU Module 95410-4H411
Promo price
€94.95
€56.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9314023
MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1031550435
Mercedes W124 M103 Bracket Alternator Mount Holder Support A1031550435
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 5H0963554
Volkswagen Golf Mk8 Rear Seat Bench Couch Occupancy Sensor Unit 5H0963554
€32.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9128570
PDC Loom Cables BMW E81 E87N LCI Front Bumper Wiring Set 9128570
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A0025428319
Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
€23.95
Free delivery - Fri, Nov 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 .