Replace part Numbers:
10591d 31778d 9mgc791 mgc791 40791 35039d 40591 diesel fuel cap

Fitment:
for Chevrolet:
for Chevrolet C10 1981
for Chevrolet C2500 1992
for Chevrolet C3500 1990
for Chevrolet Express 3500 2000-2013
for Chevrolet Express 4500 2011
for Chevrolet K2500 1995
for Chevrolet K3500 1988 2000
for Chevrolet K5 Blazer 1984
for Chevrolet P30 1997
for Chevrolet Silverado 2500 HD 2001-2016
for Chevrolet Silverado 2500 HD Classic 2007
for Chevrolet Silverado 3500 2001-2006
for Chevrolet Silverado 3500 Classic 2007
for Chevrolet Silverado 3500 HD 2007-2019

for Dodge:
for Dodge D250 1989 1990
for Dodge D350 1991 1992 1993
for Dodge Ram 2500 3500 1994-1999
for Dodge W250 1990 1991 1992 1993
for Dodge W350 1993

for Ford:
for Ford F-250 1987-1996
for Ford F-250 HD 1997
for Ford F-250 Super Duty 1999-2008
for Ford E-350 Club Wagon 2003
for Ford E-350 Econoline 1989-1998
for Ford E-350 Super Duty 2000 2001 2002 2003
for Ford F-350 1987-1997
for Ford F-350 Super Duty 1999-2008
for Ford Excursion 2001-2005

for GMC:
for GMC C3500 2000
for GMC K3500 1986
for GMC Savana 3500 2002-2012
for GMC Sierra 2500 HD 2001-2015
for GMC Sierra 2500 HD Classic 2007
for GMC Sierra 3500 2001-2006
for GMC Sierra 3500 Classic 2007
for GMC Sierra 3500 HD 2007-2017
for GMC V3500 1988

Package Includes: 1x locking fuel cap, 2x keys
Locking fuel cap provides a tight seal to keep the vehicle's fuel tank closed,
sealing the tank helps protect the environment by reducing vapor emissions, prevents fuel loss.