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The PureFlow AirDog 4G Fuel Air Separation System for Chevrolet 6.6L Duramax (2001–2010) FP‑100‑4G is an in‑line unit that separates air and vapor from diesel fuel to protect pumps and injectors. Specified for the listed Duramax engines, the separator supports consistent fuel delivery for the stated model years and installation environments.
PureFlow AirDog 01-10 Chevrolet 6.6L Duramax FP-100-4G Fuel Air Separation System
