GM Service Manual Online
For 1990-2009 cars only

Item

Part Number

CNG Fill Valve Filter

52368805

CNG Fill Valve O-ring

52368728

CNG Fill Valve Outlet Fitting O-ring (3/8" ORFS)

52368709

CNG Fill Valve Outlet Fitting O-ring (9/16" SAE)

52368710

CNG In-line Filter Drain Plug O-ring (9/16" SAE)

52368710

Filter Kit, CNG High Pressure Regulator

52368706

O-ring face seal (1/4" ORFS)

52368711

O-ring (7/16" SAE)

52368708

Service Kit, CNG In-line Filter

52371212

Spark Plugs

AC Type 41-981 (1.06 mm, 0.042" Gap)