Quick view FASS Fuel Systems FASS 17-19 Duramax L5P Crew Cab Short Bed / 17-23 Crew Cab Long Bed Drop-In Series Fuel System - DIFSL5P1001 Compare $472.63 $426.99 FASS 17-19 Duramax L5P Crew Cab Short Bed / 17-23 Crew Cab Long Bed Drop-In Series Fuel System Add to Cart Add to Cart