All kinds of vehicles can run on CNG by installing CNG kit. Kit is an assembly of many components required to run existing vehicle on CNG. There are few basic components which are common in all type of kits, irrespective of the vehicles; such as CNG storage cylinder, high pressure tube, pressure regulator, pressure gauge, change over switch, high pressure tube fittings, refuelling receptacle and air fuel mixer.

Major components of CNG kit for carburettor fitted petrol vehicle are illustrated below:

  1. Pressure Regulator
  2. Petrol Solenoid Valve with manual override switch. (Stops petrol flow when operating on CNG)
  3. On-Off valve and refuelling connector. (Opens or stops gas flow to the regulator and includes a refuelling device)
  4. Control Module/Change-over Switch (Electronic control component with fuel selection switch)
  5. CNG level Indicator(LED Indicator)
  6. Gas Air Mixer
  7. CNG cylinder with valve, vapour bag & bracket
  8. Petrol hose
  9. Low-pressure gas hose
  10. Ignition advance processor
  11. High pressure gas tube
  12. Wire harness
  13. NRV in petrol return line
  14. Pressure gauge