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. 6958198-1
BMW 1 Series 1 E87 6-disc CD Changer Without Magazine 6958198
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Mercedes W221 Door Control Module Unit ECU Front Right O/S A2219008603
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Land Rover Range Sport L320 Diesel Engine Alternator Generator AH22-10300-AB
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Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Audi A4 B7 Front Bumper Wiring Loom Harness Cable 8E0971095R
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BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
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Audi A5 8T 2.0 TDI CAHA 170HP Engine Control Module ECU 03L906022RM Manual
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Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
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BMW F40 F45 Mini F55 F56 Front Suspension Strut Protective Cap Cable VDC 6876863
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BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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Radio Player Mini Cooper One R55 R56 CD Audio Player Head Unit 3454566
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Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
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Mini F56 Interior Electrical Cable Excitement Package Wiring Harness 6809545
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BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362
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Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527
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BMW E87 LCI E90 120i 320i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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BMW 3 X3 Z4 Series 2 E46 E83 E85 Engine Electronics Unit Box 7534922
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Audi A4 B8 Headlight Headlamp Range Control Unit Module 8K5907357
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Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84
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BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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Audi Q3 8U Camera Module Rear View Parking Camera Control Unit 8U0907441
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7641003 Manual
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Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
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Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100
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Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
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Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Mini Countryman R60 Fuse Distribution Box SPEG High DC/DC H7 9809382
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Audi A3 8V 1.4 TFSI Petrol Starter Motor Engine Actuator Unit 0AM911023N
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
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BMW 3 5 Series E34 E36 Hazard Warning Relay 1388533
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Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672
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BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025428918
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Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9147191
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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Volkswagen Crafter 30-35 2E Amarok 2.0 TDI Engine Starter Motor 2H0911023F
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Peugeot 307 1.6 HDI Diesel Engine Wiring Cable Loom Harness 9658277780
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BMW X5 Series E53 4.4i Petrol M62 B44 448S2 Engine Wiring Loom Harness 1438902
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Audi A4 B8 Bose Audio AMP Amplifier Module Control Unit ECU 8T0035223AD
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Part no. 8576341-8
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
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Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG
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Dashboard Wiring BMW G30 G31 Front Centre Console Loom Harness 9366338
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BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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BMW E87 E90 118i 318i N43 Engine Control Unit Module ECU DME 7580279 Automatic
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Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 9266409
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BMW X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 7809944 CAS3 + Key Automatic
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Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A
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Part no. 02M911023A
Starter Motor Volkswagen VW Golf IV Bora Sharan Diesel Engine 02M911023A
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Part no. 9249404
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404
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Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
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Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
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Part no. 8699235
BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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VW Volkswagen LT 35 Immobilizer Control Unit Module Temic 2D0953257
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Volkswagen Golf Mk7 GTI 2.0 TFSI CHHA 230HP Engine Control Unit ECU 04L907309B
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Chrysler Grand Voyager 2.8 CRD ENR Engine Water Inlet Hose Tube Line 5066883AB
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Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
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BMW E65 Navigation GPS DVD System Computer Unit 6959114
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3453744
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Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A
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Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500
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Part no. 8581098-1
BMW E70 E71 F01 F02 F10 F11 F30 F31 Diesel Starter Motor NAPA 8581098
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Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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BMW F07 GT Self-Levelling Suspension Control Unit Module Bracket Holder 6792443
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Head Unit Mercedes W212 Radio Navi CD Player For Parts Not Working A2129005212
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Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6958198
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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VW Golf Mk5 1K Body Control Comfort Unit Module Convenience Unit 1K0959433AK
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Audi A4 B7 Harman Becker Bluetooth Module Interface Control Unit 8P0862335Q
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Part no. 8510829-6
BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8510829 Automatic
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BMW X3 E83 Z4 E85 DVD Player GPS Navi Head System Computer Unit 9133177
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BMW E60 E63 On-board Navigation Display Monitor Screen 6,5" 9193748
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Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512
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Part no. 8510829-7
BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE 8510829 + CAS3 + Key Automatic
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Wiring Harness Mercedes Vito W639 Boot Tailgate License Plate Lamp A6394401613
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Part no. 8P0959802K
Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802K
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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 .