- Overbore 3-3/8" To 3-7/16"
- w/ stepped head piston
- Sections and Models:
- Engine Parts > C152 CID
- Case-IH TRACTOR: HV (SN <108970)
- Case-IH TRACTOR: OS4 (SN <33339)
- Case-IH TRACTOR: OS4 (SN 33340>)
- Case-IH TRACTOR: O4 (SN <33339)
- Case-IH TRACTOR: O4 (SN 33340>)
- Case-IH TRACTOR: W4 (SN <33339)
- Case-IH TRACTOR: W4 (SN 33340>)
- mega-cross:
- Replaces: : A-PA321 : IH
- Crossed From: : PK156 : A & I MEGA-CROSS
- 141428 : A & I MEGA-CROSS
- Machine Types : Tractor
- Makes : Case-IH
- Models : Os4, O4, W4, Hv
- Models :