One New Aftermarket Replacement Back Cushion Fits Case / Fits Case IH Crawler Dozer ModelsThis aftermarket replacement back cushion (backrest) is a direct replacement for the original black vinyl operator seat assembly found on Fits Case and Fits Case IH (Fits International Harvester) crawler dozers and crawler loaders. The cushion is constructed in black vinyl and mounts to the existing seat frame without modification.Specifications Color: Black vinyl Style: Non-suspension backrest cushion Application: Crawler dozer / crawler loader operator seat Compatible ModelsFits Case / Fits Case IH Crawler Dozers and Crawler Loaders: 310G, 350, 350B, 450, 850, 1150Note: Late-model 310G machines share the same seat as the 350 and 350B. Compare measurements to your machine if unsure of which generation 310G you have.Replaces Part Number(s):D44169, D44169-AAftermarket Interchange NumbersAlso found in seat cushion sets referencing: D35226, R40342 (complete set numbers - backrest cushion only sold separately as D44169)New aftermarket replacement part - not remanufactured, not used.