This is a A-3353977 Seal, Crankshaft Front PN: 3353977Main Description As Following : A-3353977 Seal; Crankshaft Front P.N: 3353977 A-3353977 Seal; Crankshaft Front P.N: 3353977 Replaces: C3353977 MAXIFORCE , Crossed From: HCK3921927 , , HE3353977 , 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, Case-IH COMBINE: 1666 (Engine SN 44706126>), Case-IH COMBINE: 1670 (Engine SN <44706125), Case-IH COMBINE: 1680 (Engine SN <44706125), Case-IH COMBINE: 2166 (SN