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. A0009010201
Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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Part no. 8K0907801E
Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Part no. 2344232
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 M57N Starter Motor 2,0 KW 2344232
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Audi Q7 4M Starter Motor Engine Diesel Valeo 06M911022D
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BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Automatic Gerabox
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Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419
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Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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Part no. 7595179-6
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Part no. 252300973R
Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
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Part no. 8678972
Engine Harness Mini F56 F60 BMW F40 F46 Sensor System Module 2 Wiring 8678972
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Part no. 4H0959792G
Audi A8L 4H Front Door Control Module Left N/S Unit ECU 4H0959792G
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Ford Focus Mk3 USB SD Card Module Reader Port Socket GC3T-14F014-AB
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Part no. A2218702986
Mercedes W221 Seat Control Module SSG Unit Front Left Seat N/S A2218702986
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Part no. 6C0915343A
Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
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Part no. 8C1T-18C815-AD
Radio Head Unit Ford Transit 6000 CD Media Player Unit 8C1T-18C815-AD
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Part no. 23127JG71B
Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B
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Part no. 9172020
BMW E64 Convertible Airbag Module Sensor ECU Air Bag Unit 9172020
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Part no. 07C911023H
Starter Motor Audi S8 D3 4E VW Touareg Starter Motor Bosch 1.7KW 07C911023H
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Part no. 6976988
Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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Part no. A2059065806
Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806
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Part no. 6981050
BMW X6 E71 Rear Trunk Battery Cover Tray Storage Box 6981050
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Part no. 4H0971224BA
Audi A8 D4 Alternator Starter Motor Wiring Harness Cable Loom 4H0971224BA
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Part no. 9350995-1
BMW F10 F20 F30 Rear View Camera Wiring Loom Cable 9350995
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Part no. 7527610-3
Mini Cooper R50 W10 90HP Engine ECU Kit DME 7527610 + EWS + Key Automatic
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Part no. 6935686
BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686
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Part no. 9350707
BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707
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Part no. 6982115
Mini R52 Cabrio Body Control Unit Basic Module BCM 6982115
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Part no. 80A962243
Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243
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Part no. A2129007324
Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324
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Part no. A1635401208
Mercedes-Benz ML-Class W163 Inboard Cable Harness Wiring A1635401208
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Part no. 9150109
BMW E81 E87 E90 E91 E92 Radio CD Professional 9150109 65129150109
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Part no. A1669006307
Mercedes GLE C292 ML W166 Door Control Module Rear Left N/S A1669006307
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Part no. 7555178
Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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Part no. 98053736XT00
Citroen Berlingo Peugeot Partner CD Player Radio Stereo Head Unit 98053736XT00
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Part no. 9183373
Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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Part no. 7N0959794
Skoda Yeti 5L Door ECU Module Control Unit Rear Right O/S 7N0959794
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Part no. 8585731
Engine Wiring BMW F30 F31 F36 N47N xDrive Automatic Gearbox Loom Harness 8585731
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Part no. 6R0971349AM
Volkswagen Polo Mk5 V 6R Battery Cable Alternator Starter 6R0971349AM
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Part no. 6860387
Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
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Part no. A9068200886
Radio Head Mercedes Vito W639 Sprinter W906 CD Audio Stereo Unit A9068200886
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Part no. 8652746
Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Engine Control Unit DME 8652746 Manual
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Part no. 9187933
BMW 1 3 Series E88 E93 Mini Cabrio R57 Rollover Control Module Unit 9187933
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Part no. A2035453801-1
Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801
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Part no. 3453634
Stereo Head Unit Mini Cooper One R55 R56 R57 Radio Boost CD Player 3453634
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Part no. 8512292
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual
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Part no. NB5T-14G087-HB
Ford Transit Custom Bluetooth Control Unit Module Controller ECU NB5T-14G087-HB
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Part no. 9302569
Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Part no. A2208703589
Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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Part no. 6945661
BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5"
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Part no. 3D0941329
Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
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Part no. 1440315
BMW X5 E53 Engine Gearbox Module Wiring Loom Petrol M62 Automatic 1440315
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Part no. 9209172
BMW X3 F25 X4 F26 Optical Ladder Conductor Cable Wire Unit 9209172
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Part no. 7573029
Mini Cooper R55 R56 IBS Negative Battery Lead Cable
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Part no. 8K0955557B
Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
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Part no. 4E0616575K
Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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Part no. 8P0862335D
Audi A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335D
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Part no. 6C1T18C815AJ
Ford Transit MK7 Radio 6000 CD Player Stereo Head Unit 6C1T18C815AJ
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Part no. 02E911023S
Audi TT 8J 2.0 TFSI CESA Petrol Engine Starter Motor 02E911023S
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Part no. 7553735-3
Mini Cooper S R53 W11 170HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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Part no. 5Q4959592E
Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592E
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Part no. 2295873
BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873
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Part no. A0005429223
Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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Part no. 6965279
BMW E82 E88 E90 Switch Cluster Cruise Control Stalk Unit 6965279
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Part no. 7856775
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 5-8 Loom Valve Ignition 7856775
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Part no. A2218702686
Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
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Part no. 1437967
BMW E46 M43 Engine Wiring Loom Harness Ignition Module Cable 1437967
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Part no. 6787836-1
BMW E81 E87 LCI E90 LCI ABS DSC Module Pump Wiring Harness Cable 6954572
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Part no. 9187903-2
CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
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Part no. 9267516
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
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Part no. 9229885-1
BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Part no. 8374798
BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Part no. A0038208286
Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Part no. A1665408909
Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
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Part no. 5WA971244C
Audi A3 Q3 Volkswagen Golf 1.5 TSI Alternator Negative Cable Ground 5WA971244C
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Part no. 07Z903021F
Volkswagen Phaeton 3D Engine Alternator Generator 14V 190A 5.0 Diesel 07Z903021F
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Part no. 6823594
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 6823594
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Part no. 6556VS
Peugeot 307 308 Citroen C4 Fuse Box Cover Lid Housing Cap 9653315180
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Part no. 6951674-CAR
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black
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Part no. 9186215
Audio Controller BMW E90 System Control Unit Module Navigation 9186215
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Part no. 4L0910441B
Audi Q7 4L Rear Reversing Camera View Module Control Unit ECU 4L0910441B
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Part no. 1K0971250
Skoda Octavia II Negative Battery Terminal Cable Wire Wiring 1K0971250
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Part no. 8621490
Alternator Cable BMW F21 F22 F30 LCI 125i 220i 228i 320i N20 Starter 8621490
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Volkswagen VW LT 35 Diesel Engine Starter Motor Unit Napa 069911023LX
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Part no. 7601189
BMW Mini Cooper R55 R56 LCI N16 Engine Wiring Loom Injection Ignition
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Part no. 4G0906093F
Audi A6 C7 Fuel Pump Control Unit Module 4G0906093F
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Part no. 9205278
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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Part no. 03L903023F
Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Part no. A9068201589
Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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Part no. 9316576
BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9316576
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Part no. A2038201585-1
Mercedes W203 Door Module Control Unit Front Left N/S A2038201585
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Part no. 3442133-2
Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133
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Part no. 4M0971228CH
Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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Part no. 6G9T14B534BL
Land Rover Freelander 2 Module ECU Door Lock Control Unit Module 6G9T-14B534-BL
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Part no. 9236460
BMW F10 Footwell Light Module Control Unit ECU FRM III 9236460
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Part no. A2469066600
Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600
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Part no. A1635422918
Mercedes W163 Air Module System Control Unit Module ECU A1635422918
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Part no. A0009015303
Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214
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Part no. 8V21-10718-AD
Ford Fiesta Mk7 Battery Box Tray Housing Holder Bracket 8V21-10718-AD
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Part no. 7011738
BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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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 .