This is a A-3917728 Bolt, Head, Long PN: 3917728Main Description As Following : A-3917728 Bolt, Head; Long P.N: 3917728 Use ONLY On Engines Built From Year 1991 & Up.Dim A (1): Length: 6.30"Use ONLY on engines built from year 1991 & up Replaces: C3917728 MAXIFORCE , Crossed From: HCK3917728 , Found in Section & Models : Engine Parts > QSC 8.3 Caps Injection Cummins "C" Series, Case-IH TRACTOR: MX240, Case-IH TRACTOR: MX255, Case-IH TRACTOR: MX270, Ford / New Holland TRACTOR: TG255, Ford / New Holland TRACTOR: TJ275, Engine Parts > 6-830T Turbo Charged Cummins "C" Series, Case-IH COMBINE: 1660 (Qty: 14), Case-IH COMBINE: 1666 (Engine SN 44706126>) (Qty: 14), Case-IH COMBINE: 1670 (Engine SN <44706125) (Qty: 14), Case-IH COMBINE: 1680 (Engine SN <44706125) (Qty: 14), Case-IH COMBINE: 2166 (SN