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. 8476016
Battery Cable BMW X3 G01 X4 G02 Diesel Alternator Starter Positive Cable 8476016
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 8590045
BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A2049005015
Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015
€189.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8K9035382B-1
Audi RS4 B8 Boot Trunk Speaker Spare Wheel Holder Audio Kicker 8K9035382B
€80.95
Free delivery - Mon, Dec 08
If paid before 14:00
-15%
Part no. A1729006609-2
Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
Promo price
€151.95
€129.16
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8W0907159J
Audi A4 B9 A5 F5 Impact Sound Actuator Control Module 8W0907159J
€42.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8K0907064KB
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064KB
€28.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2218101817-1
Mercedes W221 Headlining Interior Mirror Rear Left Right N/O/S A2218101817
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€23.95
€22.75
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Part no. A9065450003-1
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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€23.95
€22.75
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If paid before 14:00
Part no. 04L907309R-3
Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual
€132.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 1K0906093G
Audi A1 8X VW Seat Skoda Fuel Pump Control Unit Module 1K0906093G
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. 7786372
BMW X5 E53 3.0d M57 Earth Cable Battery Cable 7786372 12427786372
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2229001912
Mercedes W205 C253 Door Module Rear Left N/S Control Unit ECU A2229001912
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€23.95
€22.75
Free delivery - Tue, Dec 09
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Part no. A2128270228-PAL
Mercedes W212 Aerial Fin Roof Antenna Shark Palladium Silver - 792 A2128270228
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€23.95
€22.75
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Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
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€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. A2479003808
Suspension Module Mercedes C118 W177 W247 Control Unit ECU A2479003808
Promo price
€123.95
€74.37
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. 6850424
BMW X3 F25 ICM Air Module Control Unit SRS ECU 6850424
Promo price
€61.95
€52.66
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A4475402231
Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 9337233
BMW F32 F33 F82 F83 M4 Door Wiring Front Harness Loom Cable 9337233
€32.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8604258
Mini Cooper R56 Positive Battery Cable Alternator Lead 8604258
€89.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 6977066
BMW X5 E70 Door Cable Harness Wiring 6977066 6937277
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2035409213
Mercedes W203 Door Wiring Harness Front Left Right N/O/S Wiring Loom A2035409213
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€27.95
€26.55
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2038219551-2
Mercedes CL203 Rear Roof Alarm Motion Sensor Control Unit Module A2038219551
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7P0941828B
Volkswagen Touareg 7P 3.0 TDI Fuse Box Control Module 7P0941828B
€32.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 5Q0937084DB
VW Golf MK7 Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DB
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9291964
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. 9339274
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
Promo price
€66.95
€40.17
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9811783
Mini Cooper Paceman R61 Wiring Loom Harness Front Cable 9811783
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 7581848-1
BMW E81 E87 LCI E90 116i 316i N45N ECU Kit DME CAS3 + Key 7581848
Promo price
€455.95
€273.57
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A4475406453
Battery Cable Mercedes Vito W447 Diesel OM651 Alternator Wiring A4475406453
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A2218705093
Mercedes W221 Door Control Module Unit ECU Rear Left Right N/O/S A2218705093
Promo price
€56.95
€48.41
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2198200226
Door Module Mercedes C219 Rear Door Left N/S Control Module A2198200226
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 03G903139D
Audi A4 B7 Engine Alternator Mount Support Bracket 1.9 2.0 TDI 03G903143D
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 06L903018H
Audi A4 B9 A5 F5 Alternator Generator Valeo 2.0 TFSI DDWA 06L903018H
Promo price
€142.95
€121.51
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 2225618
Ford Transit Custom Mk1 Engine Starter Motor 2.0 EcoBlue GK2T-11000-AB
€66.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9287756
Loudspeaker Centre BMW F25 F15 Central Woofer Audio Speaker 9287756
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 6867932
BMW F20 F21 F23 Mini Cooper F55 F56 Control Unit Trailer Tow Hitch 6867932
€66.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8582279-4
BMW F30 320d ed Diesel N47N 163HP Engine Control Unit ECU DDE 8582279 Manual
€99.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 5Q0959595K
Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595K
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A2215406562
Mercedes W204 Petrol Fuel Pump Control Unit Module A2215406562
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A1679004511
Door Module Mercedes W205 W213 C253 Rear Left N/S Control Unit ECU A1679004511
Promo price
€61.95
€52.66
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 5Q0907361C
Audi A3 8V Fuse Box Control Module Relay Box 5Q0907361C
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A6541400155
Mercedes-Benz W213 Genuine Gas Filter Pressure Line Sensor Dpf A6541400155
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9113064
BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A1638200289
Mercedes-Benz M-Class M W163 Aerial Antenna Amplifier Module Unit A1638200289
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A1729008500-2
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
€113.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 7899655
Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2105460141
Mercedes-Benz E-Class W210 Battery Cable Box Connector Petrol A2105460141
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 8512415-7
Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8512415 CAS3 Key Manual
Promo price
€227.95
€136.77
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7542725
BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7542725
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2118703285
Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703285
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9231443
BMW 3 Series F30 F80 M3 Radio Antenna Amplifier Suppression Filter 9231443
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A6511501433
Mercedes W176 W246 Glow Plug Wiring Harness Loom OM651 Engine A6511501433
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 8512415
Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine Control Unit ECU DDE 8512415
Promo price
€51.95
€31.17
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 8K0971104AC
Audi RS4 A4 B8 8K Parking Sensors Rear Bumper Wiring Loom 8K0971104AC
Promo price
€42.95
€36.51
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2218702993
Mercedes CL W216 W221 Air Module Control Unit A2218702993
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 9345373
BMW F10 Footwell Central Lock Gateway Control Module Unit ECU 9345373
€161.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 06H911024C
Audi A5 F5 45 TFSI QUATTRO Starter Motor Engine Denso 06H911024C
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 9876796
Telematics Module Mini F55 LCI 4g Bluetooth Control Module Unit Ecu 9876796
Promo price
€61.95
€37.17
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A2129069900
Player Audio Mercedes C207 W212 Head Unit CD Media Radio Controller A2129069900
Promo price
€56.95
€48.41
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 9142398
Mini Cooper R55 R56 Cable Wiring Set HiFi Driver's Side 9142398
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A1695400606
Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A0005401203
Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7P6907357B
Volkswagen Golf Mk7 Headlight Head Lamp Range Control Unit Module ECU 7P6907357D
€80.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 1477973
Ford Transit Connect Mk1 Starter Motor Engine Actuator 1.8 Diesel 2T14-11000-BC
€47.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. YC1E10K019BA
Ford Transit MK6 2.4 Diesel Alternator Bracket Mount Support YC1E10K019BA
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. A2661534079
Mercedes W169 A170 266.940 116HP Engine Control Unit ECU A2661534079 Automatic
Promo price
€113.95
€68.37
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 8K0959793R
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8K0959793R
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8W0959593N
Audi A4 B9 Front Door Module Control Unit ECU Driver's Side 8W0959593N
€42.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 9257090
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9257090
Promo price
€332.95
€283.01
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6907520
BMW 5 X5 Series E39 E53 Dual Band Cable Compensator Hands Free Phone 6907520
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9224687
BMW Mini Clubman R55 LCI Cable Wiring Loom Splitdoor Door Rear Left N/S 9224424
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6918567
BMW 7 Series E65 E66 E67 Seat Control Unit Module Heating 6918567
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6928523
BMW 3 Series E46 M47N Diesel Negative Earth Cable Battery 6928523
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 8574048
Mini F54 F55 F56 F57 F60 Engine Starter Motor Plug Bracket Holder Mount 8574048
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A1725401450
Mercedes SLK R172 Fuse Box Power Distribution Control Module Unit A1725401450
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A2135406831
Mercedes W213 Rear Door Wiring Harness Keyless Left Right N/O/S A2135406831
€28.95
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. A6421509478
Mercedes ML W164 OM642 Diesel Engine Control Unit Module ECU A6421509478
Promo price
€189.95
€113.97
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 5293147
Relay Glow Littlefuse Mega Fuse 250 Amp 5293147
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7P6919603
VW Volkswagen Touareg 7P Dashboard Multimedia Display Screen Panel 7P6919603
€156.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 1J6035111
VW Volkswagen Touareg 7L Golf 4 CD Changer 1J6035111
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7P6035552M
VW Touareg 7P Antenna Amplifier Signal Booster Module Rear Left N/S 7P6035552M
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 5Q0959392D
VW Volkswagen Golf 7 Front Door Control Module Passenger Side Unit 5Q0959392D
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 8506434
BMW E87 E90 LCI N47 118d 318d Diesel Engine Control Unit ECU DDE Manual Gearbox
Promo price
€61.95
€37.17
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6949229-1
2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 9274357
BMW 4 F32 Wiring Loom Harness Cable 9274357
€32.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 03G903016EX
Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX
Promo price
€66.95
€56.91
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 3C0907651
Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9224686
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9224424
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A1638203610
Mercedes-Benz M-Class ML W163 Interior Lighting Switch Button A1638203610
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8780776
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav GPS Unit High 8780776
€412.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 3D0909601E
VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601E
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A2439008400
Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400
€56.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 3417586
Electronic Box BMW X3 E83 LCI 2.5si 3.0si N52N Control Unit Mount Holder 3417586
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 5A4A1E1
Kafas Camera BMW G20 G30 G28 G80 F40 F44 Front Assist Camera Module 5A4A1E1
€170.95
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 6960428
BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960428
Promo price
€225.95
€135.57
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 8200263345
Renault Relay III Unit Module 4 Pins 12V 8200263345
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7936365
Mini F55 F56 F57 Integrated Supply Module Z11 Control Unit Module 7936365
€66.95
Free delivery - Tue, Dec 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 .