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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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
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Audi A3 8P 1.6 MPI Ignition Wiring Loom Harness Set 06A905409P
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VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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Peugeot 3008 1.6 HDI T84 DV6-C Engine Control Unit Module ECU 9675391480 Manual
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BMW 1 3 Series E87 E90 Hands-free Electronics Bluetooth Module MULF2 9178862
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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BMW 7 Series E65 E66 Rear Seat Wiring Cable Electrical System 6915999
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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Audi Q2 GA Head Unit Navigation Multimedia Control Unit MMI 81A035043
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BMW 3 Series E90 E92 E93 M3 LCI Control Unit For Fuel Pump ECU 7842024
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Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044
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Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712
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BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933666
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BMW E36 Relay Yellow 5 Pin 1389105
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Module Mercedes W639 Automatic Transmission Control Module Unit A0325453832
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Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Peugeot Partner B9 Alternator Generator VALEO 9810525380
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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BMW E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6982397
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Audi TT 8J 3.2 V6 BUB Ignition Wiring Harness Guide Trim 022971615B
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BMW Mini One R55 R56 N12 1.4 95HP ECU Kit DME CAS 3 Key 7600020
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BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Opel Vivaro B 1.6 CDTI Alternator Generator 150A 95519888
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BMW E83 Light Control Module Lear LM MAN.LWR 3413318 61313413318
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BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME CAS 2 key 7557290 Manual
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BMW E90 E91 E92 E93 Longitudinal Dynamic Module Cruise Control 6771182
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Audi A4 7B 2.0 TFSi D6G519 Engine Starter Motor 06D911023
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Alternator Generator BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Petrol 180A 7550469
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Peugeot 307 1.6 HDI Diesel Engine Wiring Cable Loom Harness 9658277780
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Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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Mercedes W221 S350 BlueTEC OM642.862 Engine ECU Kit Ignition + Key A6421508900
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BMW F20 F30 F32 Mini F55 F56 F60 KAFAS 2 Camera Control Unit Module ECU 5A350D2
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Alternator Generator Mercedes W211 S211 OM646 Diesel Engine 200A A0131545902
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Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726
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Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104E
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Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
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PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89
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Audi A7 4G 3.0 TDI Alternator Generator 059903018TX
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Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253
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BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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BMW X5 Series E70 Driver Side Front Right O/S Door Cable Harness Wiring 9207841
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BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear
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Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740
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Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
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Audi A6 C6 Multi Use Relay Unit Module 4 Pins 373 8D0951253A
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BMW E88 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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Renault Trafic Vauxhall Vivaro Relay 4-Pin Blue Unit 252301716R
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Mini Cooper One R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 4542789
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Mini One 1.6i R50 W10 90HP Engine ECU Kit DME 7520019 + EWS + Key Automatic
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Volkswagen VW LT 35 Diesel Engine Starter Motor Unit Napa 069911023LX
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Mini Cooper F55 F56 F60 Windscreen Rain Light Solar Sensor Control Unit 9877611
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BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994
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Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
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Mercedes W205 Center Console Ambient Lighting Light Wiring Harness A2055402324
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Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
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Battery Cable BMW E90 E91 E92 E93 Positive Lead Battery Wiring Harness 6938504
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Ford Transit MK7 Body Control Unit Module BCM Fuse Box CC1T14A073BD
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593
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Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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Citroen C4 Starter Motor Diesel Engine HDI Actuator Unit 9664016980
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BMW Mini Cooper One R55 R56 R57 Radio Boost CD Player Unit Head 3454567
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Mini Cooper R56 Automatic Gearbox Basic Control Unit EGS 7574294 7571340
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AA
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BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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GPS Navigation BMW E81 E90 LCI Business System Car Infotaiment Computer CIC
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BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201
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Mini Cooper One R56 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Mini Cooper One R56 High SPEG Fuse Distribution Box SPEG High 3448964
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BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7812500 + CAS3 + Key
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BMW X3 Series E83 2.0d Engine M47N2 150HP ECU Kit DDE 7803373 EWS3 + Key Manual
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Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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Footwell Module Mini R56 Cooper Light LOW EKS ECU PL3 FRM3R Lear 3456034
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BMW 5 7 Series E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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Mercedes Vito W447 W639 Battery Terminal Protection Cap Cover A6395460035
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BMW 7 Series 1 E65 E66 Battery B+ Engine Compartment Terminal Point 8385164
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BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Battery Cable Mercedes W176 Negative Lead Wiring Harness Control A1665420018
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BMW E61 LCI Body Gateway Module KGM HIGH 27 D-Can LEAR 9197317
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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 .