GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Express (CNG) 🢒 Service and Appearance Care 🢒 Normal Maintenance Replacement Parts 🢒 Maintenance Replacement Parts

Part

Number

Fill Valve O-ring

GM Part No. 52368728

In-line Fuel Filter

GM Part No. 52371563

Fill Valve Filter

GM Part No. 52368805

For information about other part numbers for your vehicle, see "Normal Maintenance Replacement Parts" in the Index of your owner's manual.