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. 9X2Q9A361CA
Range Rover L320 Sport Rear Fuel Pump Control Unit Bracket Holder 9X2Q9A361CA
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 8K5035570
Audi A4 B8 Aerial Antenna Disturbance Suppressor 8K5035570
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 8574095-2
BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8574095 Key Lock FEM Manual
Promo price
€227.95
€136.77
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A1775409357
Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. FV6T14324BFA
Ford Transit Connect Earth Ground Cable Battery Lead Wiring Loom FV6T14324BFA
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 9286953
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9286953
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6917544
Mini Cooper R50 R53 Rear PDC Ultrasonic Parking Sensor Pepper White - 850
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 6953424-2
BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6917556-IB
Mini R50 R52 R53 Rear PDC Ultrasonic Parking Sensor Indi Blue 6917556
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 5Q0959592B
Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8513157
Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2711501920
Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711501920
Promo price
€132.95
€113.01
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2025402373
Mercedes W169 W203 W204 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. A4479002405
Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405
€218.95
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. A2218708326
Mercedes W221 Rear View Backup Camera Control Unit Module A2218708326
€56.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A1698206726
Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 9284976
BMW F13 F12 F06 Daschboard Display Central Information Display Monitor 9284976
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A1648205585
Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 7598857
Mini R55 R56 Cooper S EGS Module Automatic Gearbox ECU Control Unit 7598857
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A1765405408
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9302937
BMW F01 LCI Cable Door Rear Left Right N/O/S Wiring Harness 9262882
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A0009006612
Rear Module Mercedes C205 W205 Fuel Pump Control Unit A0009006612
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9337807
Door Speaker BMW F15 F16 Front Rear Loudspeaker HiFi Audio Speaker 9337807
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. A1648200485
Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 6C1T-11000-AF
Ford Transit Mk7 Starter Motor Engine Actuator Diesel 2.2 TDCi 6C1T-11000-AF
€42.95
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 7852144
BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.1-4 7852144
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2465400335
Mercedes W176 W246 Negative Earth Cable Battery Terminal Wiring A2465400335
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9166057
BMW E81 E87 E90 E91 Control Unit Air Module ECU NO CRASH DATA 9166057
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9244392
BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9244392
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 7464750
Tailgate Smart Opener BMW F10 F11 X1 F48 X3 F25 Control Unit Module 7464750
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A6459060800
Starter Motor Mercedes W176 W246 C117 Diesel Engine Denso A6459060800
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 7793200
BMW X5 E70 X6 E71 E90 E90N E91 E92 E93 Cable Alternator Starter 7793200
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2045405609
Video Wiring Cable Mercedes W204 Video Unit Harness Cable Wire A2045405609
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A9065400341
Battery Cable Mercedes Sprinter W906 Negative Lead Wiring Harness A9065400341
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8T0959792G
Audi A4 B8 Front Door Lock System Module Right O/S Control Unit ECU 8T0959792B
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 9149843
BMW E81 E87 LCI E90 Hands-Free Bluetooth Module High MULF2 9149843
€56.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6941445
BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A2129004025
Mercedes W212 Fuse Box Relay Control Unit Module SAM A2129004025
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 9805670
Mini R60 Countryman Door Window Lifter Regulator Motor Front Right O/S
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 4H0907658
Audi A3 8V A5 8T A6 A7 Air Quality Sensor Control Unit 4H09076588
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 4L0910441C
Audi Q7 4L Rear Reversing Camera Module View Control Unit ECU 4L0910441C
€94.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2465410005
Mercedes W176 W246 Battery Cover Fuse Box Trim Panel Lid A2465410005
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8385159
BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 7607705
Mini Cooper One R56 N16 Automatic Gearbox Basic Control Unit EGS 7607705
Promo price
€90.95
€54.57
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 9138440
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
€450.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2049014503
Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 9289008
BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9289008
Promo price
€237.95
€202.26
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2139003617
Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A1775401629
Mercedes W177 Rear Bumper PDC Wiring Loom Parking Sensor A1775401629
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 4G0907697J
Audi A7 4G A6 C7 Daytime Running Lights DRL LED Headlight Module Unit 4G0907697J
€61.95
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 9367812
Active Sound Design Module BMW F20 F21 F30 Harman Becker Control Unit 9367812
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2123200358
Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 7120204
BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6953424-3
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2198202426
Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2466200018
Mercedes-Benz A-Class W176 Battery Frame Holder Bracket Mount Plate A2466200018
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2059006923
Air Conditioning Module Mercedes C205 X253 A/C Control Unit ECU A2059006923
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A2479001306
Mercedes W177 W247 SAM Module Body Comfort Control Unit A2479001306
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 8636054
BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8636054
Promo price
€165.95
€99.57
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. A2135407744
Mercedes W213 Door Ambient Light Cable Harness Wiring Rear Right O/S A2135407744
€47.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2129000004
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2229009708
Mercedes W205 Body Control Comfort Unit Module BCM Unit ECU A2229009708
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 7520019-5
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7520019 Manual
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2129004502
Mercedes W204 W207 Front Right Door Control Unit Module A2129004502
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A0015424423
Parktronic Screen Mercedes W207 W212 Front Parking Sensor Display A0015424423
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 8C1T14A073BG
Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T14A073BG
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9322532
Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A2059006337
Safety Module Mercedes S205 Airbag Belt Tensioner Control Module SRS A2059006337
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 6860936
BMW i3 I01 F45 F46 Control Unit SAS Module ECU 6860936
Promo price
€232.95
€139.77
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 7552105
Mini Cooper One R55 R56 R58 Petrol Engine Starter Motor N12 7540897
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9196100
Mini Cooper One F55 F56 F57 B Pillar Upper Column Airbag Sensor 9196100
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 7795638
BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A1665402350
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 4H0959651A
Audi A1 A6 A7 Impact Crash Control Sensor Module ECU 4H0959651A
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 9354228
Mini Cooper F56 Rain Light Turn On Sensor Unit 9354228
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8387546
BMW 3 Z4 Series E46 E85 E86 Battery Positive Cable Fuse Box B Base 8387546
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2129003704
Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A0051512101
Mercedes W168 W169 W245 Petrol Engine Starter Motor A0051512101
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 9146714
BMW X3 E83 Z4 E85 E86 Radio Sat Nav Control Unit CD Player Control Unit 9146714
Promo price
€123.95
€105.36
Free delivery - Wed, Dec 10
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 - Wed, Dec 10
If paid before 14:00

-5%
Part no. 038907281D
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9313618
BMW 3 Series F30 F31 F80 M3 Front Rear Right O/S Wiring Loom Harness Cables Set
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9267085
Antenna Amplifier BMW F01 F10 F13 Aeral Diversity 868 MHZ Control Unit 9267085
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 8509105
BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A2139068701
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 2T1411000BC
Ford Transit Connect Starter Motor Engine Diesel 2T1411000BC
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A1669008606
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
Promo price
€85.95
€51.57
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 4F0910655Q
Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2049060105
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
Promo price
€62.95
€53.51
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 7515253
Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A6519007401-3
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
€189.95
€161.46
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9210861
BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 4H0959760D
Audi A8 4D Front Seat Memory Adjustment Module Unit Right O/S 4H0959760D
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2218703086
Mercedes W221 Seat Module Front Right O/S Memory Control Unit A2218703086
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6916058
Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6916058
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 9354289
BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289
Promo price
€104.95
€89.21
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A9075406749
Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
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 .