This is a A-24544DA Spring, Valve PN: 24544DAMain Description As Following : A-24544DA Spring, Valve P.N: 24544DA w/ 5.31" Valve Length Crossed From: AV101493 VAPORMATIC , HCRP24544DA , , HC724544DA , Found in Section & Models : Engine Parts > C113 CID, Case-IH COMBINE: 22, Case-IH COMBINE: 76, Case-IH COMBINE: 81, Case-IH TRACTOR: A, Case-IH TRACTOR: AV, Case-IH TRACTOR: AV1, Case-IH TRACTOR: A1, Case-IH TRACTOR: B, Case-IH TRACTOR: BN, Case-IH TRACTOR: C, Case-IH TRACTOR: SUPER A, Case-IH TRACTOR: SUPER A (SN 255418-310299), Case-IH TRACTOR: SUPER AV, Case-IH TRACTOR: SUPER AV (SN 255418-310299), Case-IH TRACTOR: U-2 (SN <22113), Case-IH TRACTOR: U-2A (SN <22113), Case-IH TRACTOR: 130, Case-IH TRACTOR: 140, Case-IH TRACTOR: 230, Case-IH TRACTOR: 240 Associated Items : New Also This is An Aftermarket Product And : w/ 5.31" Valve Length