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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Part no. 8512043-5
BMW E90 E91 LCI 318d N47N 143HP Engine ECU Kit DDE 8512043 CAS3 Key Manual
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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BMW E90 E91 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Manual
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Mercedes W203 Automatic Gearbox EGS Control Unit Transmission Module A0325454332
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Mercedes W204 S204 Estate Rear SAM Control Unit Module A2049001202
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Part no. 6934529-1
BMW X3 X5 E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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Part no. 9215184-1
BMW 1 3 E60 E87 E90 E91 Hands-Free Electronics Charging Module MULF2 9215184
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Part no. 1724740
BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740
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Part no. rhd-7798049
Engine Wiring BMW E60 E61 535d M57N Loom Harness Cable Module Automatic 7798049
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Part no. 7796818
BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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Part no. 6836346
Audio Amplifier BMW F20 F21 LCI Mini F56 Top Hifi Harman Kardon Unit 6836346
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Part no. 9289581
BMW X5 X6 E70 E71 Dashboard Onboard Monitor Display Screen 6,5" 2284647 9233619
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Part no. P04692138AE
Jeep Grand Cherokee WK Commander XK Body Control Module BCM Unit P04692138AE
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Part no. A2075401650-1
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
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Part no. A1729008500-3
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
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Part no. 8577835-1
BMW F30 330dX 258HP N57N Control Unit Module ECU DDE 8577835 Key FEM Automatic
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Part no. A2319007707
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2319007707
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Part no. 9263462
Radio Player BMW E81 E87 E90 E91 E92 Professional CD Control Head Unit 9263462
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Part no. 9874187
Air Conditioning Unit BMW F20 F30 F31 Mini F56 F60 Control Unit Module 9874187
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Part no. AC11-12A650-BB
Ford Transit Mk7 2.4 TDCI P8FA 100HP Diesel Engine Unit ECU AC1112A650BB Manual
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Part no. 06B903016AB
Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
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Part no. Platinum 90Ah Accumulator
Platinum Prestige Accumulator Battery 90Ah 800A 12V 019E
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Part no. 9231931
BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931
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Part no. 9399431
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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Part no. 6992954
BMW X4 F26 Footwell Light Module FRM III Control Unit 6992954
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Part no. 04L907309P
Audi A3 8V 2.0 TDI DFGA 150HP Engine Control Unit ECU 04L907309P Automatic
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Part no. A2059000146-1
Mercedes W205 Display Screen Instrument Cluster Speedo Meter Sat Nav A2059000146
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Part no. A2218209089
Mercedes W221 Final Stage Speaker Booster Amplifier Sound System A2218209089
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Part no. 9380239
Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239
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Part no. 6983067
BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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Part no. 7H0907652
Volkswagen Touareg Yaw ESP Rate Sensor Module Unit Control ECU 7H0907652
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Part no. 281151185R
Renault Trafic 3 Vauxhall Vivaro B Radio Stereo Audio Head Unit 281151185R
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Part no. A0009822923-1
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey SET X2 A0009822923
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Part no. 6882963
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6882963
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Part no. 5Q0937084DC
Audi A3 RS3 8V Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DC
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Part no. 7639661
BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661
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Part no. 7797217
BMW 1 3 5 Series E60 E87 E90 E91 M47N2 120d 320d ECU Kit DDE CAS2 Key 7797217
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Part no. A2518706689
Mercedes W164 Sound Audio Amplifier Module Harman A2518706689
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Part no. 4F0907801A
Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801A
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Part no. A2098205926
Mercedes CLK C209 Body Control Module Unit A2098205926
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Part no. 6808571
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 6808571
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Part no. 8589145-9
BMW F20 F21 F30 LCI 118d 318d B47 150HP DDE Engine ECU Kit 8589145 Key FEM Lock
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Part no. 8804457
BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8804457
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Part no. 7P5941591AJ
Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941591AJ
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Part no. 2C1T10300BA
Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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Part no. 6938287
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV AUTO.LWR 6938287
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Part no. 7555036
Engine Wiring BMW E92 E93 325i 330i N52N Cable Harness Gearbox Module 7555036
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Part no. A2229005317
Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229005317
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Part no. 7795553-1
BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7795553 CAS2 Key Automatic
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Part no. 7557809-1
BMW 1 3 Series E87 E90 116i 316i N45 Petrol ECU Kit DME 7557809 CAS2 + Key
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Part no. 6939709
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6939709
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Part no. A2711534691-3
Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition
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Part no. 3457433
Mini Cooper R56 R57 LCI R58 R59 R60 CD Radio Audio Player Control Unit 3457433
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Part no. 7811999-2
BMW X3 E83 LCI 2.0d N47 177HP Diesel ECU Kit DDE 7811999 + EWS4 + Key Manual
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Part no. 9348362
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Part no. A2129007126-1
Radio Head Unit Mercedes W207 W212 COMAND Navi CD Player Navigation A2129007126
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Part no. A2709002100-2
Mercedes W176 A45 AMG 133.980 381HP Engine Unit ECU Kit A2709002100 Key Lock
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Part no. A2095452301-1
Mercedes W209 Convertible Fuse Box Rear SAM Module Control Unit A2095452301
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Part no. 6964601
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6964601
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Part no. 13256905
Vauxhall Corsa D Air Module Control Unit ECU 13256905
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Part no. A2118700026
Bluetooth Module Mercedes W203 W211 W219 Control Unit Hands Free A2118700026
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Part no. A0055411001
Mercedes VRLA / AGM 12V Accumulator Battery 95Ah 850A A0055411001
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Part no. CANM8
Cannect CANM8 Remlock CAN Bus Central Locking Interface
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Part no. A9075463500
Mercedes W907 Wiring Cable Harness Bracket Mount Trim A9075463500
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Part no. A0009930860
Mercedes R171 W203 W204 W212 Engine Control Unit ECU Pin Bracket Set A0009930860
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Part no. 8517874-9
BMW F20 F21 118d N47N 143HP Engine ECU Kit DDE 8517874 Key FEM Lock Automatic
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Part no. A6421507733
Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733
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Part no. RHD-8X2035711C
Audi A3 8V Microphone Cable Wiring Loom Cable Harness 8X2035711C
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Part no. 9130160
BMW X6 E71 Antenna Amplifier Diversity Control Unit Module 868 MHZ 9130160
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Part no. 9389363
BMW F45 F46 Head Up Display Hud Project Dash Screen Control Unit 9389363
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Part no. 6949171
BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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Part no. A2711539879-1
Mercedes CLC CL203 C160 122HP 271.921 Engine Unit ECU A2711539879 Automatic
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Part no. 1339650
Central Control Unit DAF FT85 CF430 Electronic Module 1339650 Manual 428 HP
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Part no. 6904905-1
BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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Part no. rhd-A6395400830
Mercedes Vito Viano W639 Battery Cable Positive Wire Lead Terminal A6395400830
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Part no. 259151852R
Renault Trafic Display Screen Sat Nav Navigation Unit Dashboard 259151852R
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Part no. 03G911023A
Audi A4 B7 2.0 TDI Starter Motor Engine Diesel 03G911023A
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Part no. KK3T-14A075-AB
Ford Transit Custom Fuse Box Cover Housing Lid Trim Cap Panel KK3T-14A075-AB
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Part no. 8P4971030F
Audi A3 8P Front Door Wiring Right O/S Harness Loom Cable 8P4971030F
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Part no. A2059007727
Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059007727
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Part no. 6943288-1
BMW 5 Series E61 Light Control Module Unit Lear LME6X Ohne LWR 6943288
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Part no. 05L907309B-1
Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key
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Part no. A1679003604
Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit A1679003604
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Part no. 8XA035192F-1
Audi A1 8X Stereo Sat Navi Navigation Radio Head Unit 8XA035192F
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Part no. 8K0907064GH
Comfort Unit Audi A4 S4 B8 Q5 8R Central Control Module BCM Unit ECU 8K0907064GH
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Part no. 7579142-9
BMW E87 LCI E90 118i 318i N43 143HP ECU Kit DME 7579142 CAS3 Key Automatic
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Part no. 04E907309AF-1
Skoda Rapid NH1 Engine Control Unit ECU Module 1.2 TSI CJZD 90HP 04E907309AF
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Part no. 8490136
BMW 1 3 Series F20 F21 F30 LCI B47 Wiring Loom Harness Engine Module 8490136
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Part no. 8572439-1
BMW F30 F31 N57N 330d 258HP Diesel Engine ECU Kit DDE 8572439 FEM Key Automatic
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Part no. 7795485
BMW X1 E81 E84 E87 E90 E91 Earth Cable Battery Cable 7795485
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Part no. 6944842
BMW E46 Body Control Unit Module High GM5 Star12 6944842
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Part no. 8200585305
Radio Player Renault Trafic III Vauxhall Vivaro B Audio Head Unit 8200585305
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Part no. 4G0919158M
Audi RS6 C7 Air Condition A/C Climate Control Module Unit 4G0919158M
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Part no. 5A35119
BMW F40 Bluetooth Module Multimedia Control Unit ECU 5A35119
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Part no. 8R0907160
Audi Q5 8R Engine Noise Control Module Unit ECU 8R0907160
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Part no. 8676533-1
BMW F30 F31 320i B48 ECU Kit Engine Control Unit DME 8676533 Keys FEM Manual
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Part no. 7P0915181C
Audi A1 8X HV Battery Cable Loom Harness Wiring Negative Terminal 7P0915181C
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Part no. 8K0959792P
Audi A4 S4 B8 Q5 8R Front Right Door O/S Control Unit Module ECU 8K0959792P
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Part no. 8577834-1
BMW F01 LCI 730d N57N Engine Control ECU Kit DDE 8577834 CAS4 Key Automatic
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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 .