For 2006-2009 Workhorse Custom Chassis W18 Radiator Cap Gates 57512WBRG 2007

For 2006-2009 Workhorse W18 Radiator Cap Gates 42328PNJP 2007 2008 8.1L V8 GAS

For 2006-2009 Workhorse W18 Radiator Cap Gates 51878FGFV 2007 2008 8.1L V8 GAS

98VX44P Radiator Cap Fits 2001-2009 Workhorse Custom Chassis W22 8.1L V8 GAS

For 2007-2008, 2010 Workhorse Custom Chassis W42 Radiator Cap Gates 29694PMFK

For 2001-2002 Workhorse P32 Radiator Cap Gates 88445MZYF 5.7L V8 GAS

1996-2001 6.5L Diesel Workhorse P32 42 GM 3500 RV Bus Van Upper Radiator Hose

For 2007-2008, 2010 Workhorse Custom Chassis W42 Radiator Cap Gates 27666PCGT