The PureFlow AirDog 4G Fuel Air Separation System for Chevrolet 6.6L Duramax (2011–2014) FP‑100‑4G is designed to remove air and vapor from diesel fuel before it reaches pumps and injectors. Built for the specific Duramax applications listed, the unit aims to improve fuel system reliability by maintaining continuous, air‑free fuel flow in the stated model years.
PureFlow AirDog 11-14 Chevrolet 6.6L Duramax FP-100-4G Fuel Air Separation System