Air Breather Body and Oil Cup for IH Farmall A, AV, AV-1, Super A, Super AV, B, and BN Tractors.
Air breather assembly will ONLY fit EARLY model Super A and Super AV's tractors.
Air breather tube has a dent shown in picture number 5. There is a small dent on oil cup.
Case IH part numbers: 355931R91, 51363DBX.