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. 9390576
Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1669005811
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669005811
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 1742690-3
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3455305
Mini R57 R57N R58 R59 DWA-Alarm System Relay ECU 3455305 65753455305
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9292655
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9292655
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A9079000806
Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8065118
Differential Lock Module BMW F13 M6 F80 M3 Rear Axle Control Unit ECU 8065118
Promo price
£42.95
£25.77
Free delivery: Feb 09
If paid before 14:00
Part no. 6901469-3
Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
£13.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7789222
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 Cable Alternator Starter
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 237103888R
Renault Trafic 3 R9M 1.6 DCI Engine Control Unit Module ECU 237103888R Manual
Promo price
£94.95
£56.97
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. A2118701310
Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7428425-3
Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2229009519-1
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
Promo price
£474.95
£284.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 4H0907801F
Audi A6 C7 Parking Brake Handbrake Module Control Unit 4H0907801F
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 4K0959663
Voltage Converter Audi A4 B9 A6 C8 Stabilizer Control Module Unit ECU 4K0959663
£127.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9259831
BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 8506438-3
BMW E81 E87 E90 E92 LCI 120d 320d N47 ECU Control Unit Module DDE 8506438 Manual
£94.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9240945
Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6948692
BMW E60 E61 E63 Passenger Side Door Airbag Control Module 6948692
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6856314
BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9146244
BMW X3 X5 E53 E83 Control Unit Sliding Lifting Roof Panorama 9146244
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2465407632
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407632
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2049009201
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9180183
BMW X5 Series E70 Individual Audio System Amplifier TOP-HIFI PL4 Lear 9180183
Promo price
£256.95
£154.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7P0907652
Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9210861
BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8V0035399C
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035399C
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9483099
Mini Cooper One F55 F56 F57 Parking Assistant Control Unit Module 9483099
Promo price
£51.95
£31.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A0009057402
Mercedes-Benz S W221 Front Camera Video Night View Adaptive Highbeam Unit
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-8515465
BMW 3 Series E93 LCI 320d N47N Diesel Engine Wiring Loom Harness 8515465
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8K0959795G
Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795G
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 3417167
BMW X3 Series E83 2.0d Diesel M47N2 Engine Wiring Loom Harness 3417167 3420893
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6952914
Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A0009054807-1
Mercedes W118 W177 W206 W247 Air Quality NOX Sensor A0009054807
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6918816
BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A6519003701
Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9128573
BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6983075
BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2219003402
Audio Amplifier Mercedes W221 Sound Booster Control Unit Module A2219003402
Promo price
£284.95
£242.21
Free delivery: Feb 09
If paid before 14:00
Part no. 9T1T-15K600-DD
Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T-15K600-DD
£94.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129004402
Door Module Mercedes W212 E-Class Front Left N/S Control Unit A2129004402
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1695450540-1
Mercedes-Benz A-Class W169 Fuse Electrical Box Relay Control Unit A1695450540
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6964139
BMW 7 Series E65 E66 E67 Front Control Unit Door Passenger Side 6964139
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 7573701-1
Mini Cooper R55 R56 R57 N12 120HP Petrol Engine ECU Kit DME 7573701 CAS3 Key
£113.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6915063
Ultra Sonic Module Mini R50 R53 Alarm System Sensor 6915063
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7510921
Mini R52 Cabrio Petrol W10 Engine Wiring Loom Harness Module 7510921
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7638322
Mini Cooper One R56 LCI N16 1.6 122HP Petrol Engine Unit ECU DME 7638322 Manual
Promo price
£161.95
£97.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8574352
BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0025421219-1
Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0038212751
Mercedes-Benz M S W221 ML W164 Airbag Impact Crash Sensor Door A0038212751
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7567776
Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 7640005-2
Mini Cooper R55 R56 R57 N12 120HP ECU Control Unit Kit DME 7640005 CAS3 Key
£132.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6836504
BMW F20 F21 LCI F30 F31 F32 F13 Electric Coolant Fan Motor Relay 130A 6836504
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7795638
BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 038907281B-1
Audi A6 C6 Glow Plug Relay Unit Control Module Bosch 2.0 TDI 038907281B
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6955346
M-Audio Controller BMW E60 E61 E63 E64 Radio Player M-ASK CD Head Unit 6955346
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9213374
Mini R55 R56 R57 Cover Power Distribution Fuse Box 9213374
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A4479000900
Mercedes Vito W447 Air Module Control Unit ECU 4479000900
Promo price
£56.95
£48.41
Free delivery: Feb 09
If paid before 14:00
Part no. 4N0915105B
Hybrid Voltage Battery Audi Q7 Q8 4M Front Top Cooling Radiator 4N0915105B
£474.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2038201585
Mercedes W203 Door Control Module Front Left N/S A2038201585
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6938966
BMW 5 Series e60 Suppression Filter Radio Areal Amp Supressor 6938966
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 6982348
BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
£18.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3457402-3
Mini Cooper R57 Footwell Light Module High EKS PL3 FRM3R Lear Unit 3457402
Promo price
£132.95
£79.77
Free delivery: Feb 09
If paid before 14:00
Part no. A9068203526
Door Module Mercedes Sprinter W906 Front Right O/S Control Unit ECU A9068203526
£28.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2135406303
Mercedes W213 PDC Parking Sensor Wiring Loom Cable Rear Bumper A2135406303
Promo price
£42.95
£25.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9250455
BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
Part no. 7L0864643B
Battery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenne 9PA Top Cap 7L0864643B
£18.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6819333-1
BMW F20 F30 F31 F32 F36 Rear Body Control Unit Module V2 6819333
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9337219
BMW 3 Series F32 F82 M4 Wiring Loom Front Door Cable Passenger Side 9337221
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9337807
Door Speaker BMW F15 F16 Front Rear Loudspeaker HiFi Audio Speaker 9337807
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9291449
BMW F10 F11 F01 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 9291449
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8519663-2
Mini Cooper R56 LCI R60 N47N 122HP Diesel Engine ECU Kit DDE 8519663 CAS 3 Key
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 4H0951253A
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9267085
Antenna Amplifier BMW F01 F10 F13 Aeral Diversity 868 MHZ Control Unit 9267085
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8519663-4
Mini Cooper D ALL4 R60 N47N 1.6 Diesel Engine ECU Kit DDE 8519663 CAS3 + Key
Promo price
£170.95
£102.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0045467740
Mercedes W447 Drive Train Sensor Can Distributor A0045467740
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7625998
BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 2622505
Amplifier BMW F87 M2 F80 M3 F82 F83 M4 Active Sound Design Control Unit 2622505
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1648220230
Mercedes W164 W212 Alarm Sensor Warning Buzzer Module Unit A1648220230
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9288301
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9288301
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-7285245
BMW F36 Control Unit Module Wing Mirror Memory 5 Pin 7438143
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
Part no. T1000-15641
BMW Disc Professional Navigation 2009-2 DVD Road Map Europe T1000-15641
Product currently unavailable
-5%
Part no. 6939287
BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2079011800
Mercedes W204 W207 Control Unit ECU Sensor Module Air SRS Bag A2079011800
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9246502
BMW E87 E90 LCI Car Radio Professional CD Radio Head Unit Bluetooth 9246502
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1729006008
Mercedes W204 W212 W176 Media Interface Control Unit Module A1729006008
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009008214
Mercedes W177 W247 W447 W907 Fuel Pump Module Control Unit ECU A0009008214
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8W0907064DB
Audi S4 B9 Body Control Module BCM Comfort Control Unit 8W0907064DB
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
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Part no. 6951079
BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
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Part no. 7810980-1
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
Promo price
£474.95
£284.97
Free delivery: Feb 09
If paid before 14:00
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Part no. 8V0920790A
Audi A3 S3 RS3 Instrument Cluster Speedo Clocks Diesel Manual 8V0920790A
Promo price
£474.95
£284.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7850599
BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6938226
BMW 3 Series E90 E91 Cable Wiring Loom Rear Door Left Right 61126938226 6938249
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9236460
BMW F10 Footwell Light Module Control Unit ECU FRM III 9236460
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 89393773
Audi Q7 4L Headlight Module Ballast Control Unit 89393773
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-6973913
BMW E63 E64 Front Right O/S Driver Side Door Cable Harness Wiring 6967975
Promo price
£18.95
£16.11
Free delivery: Feb 09
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 .