New Radiator Cap for the following tractor models:
Allis Chalmers - WC, WF (Original Style for the Unstyled Model) Replaces part numbers: 206622, 70206622.
Oliver Built Cockshutt Tractor: 60, 70; Replaces part numbers: B507
International or Farmall - A, AV, B, BN, [ C, H, HV, I4, I6, I9, M, MV, O4, O6, Super A, W4, W6, W9 (Early, Using Unpressurized Cap) ], [ T6, TD6 (up to SN: 37982, Using Unpressurized Cap) ], [ T9, TD9 (up to SN: 57554, Using Unpressurized Cap) ]; Replaces part numbers: 43983D
Massey Harris - Challenger, Pacemaker; Replaces part number: 13509G
Oliver - [ Super 55, Super 66, 55, 60, 66, 70, 77, 88 (Without Pressurized System) ]; Replaces part numbers: 1B507, B507
This radiator cap is for non-pressurized systems only. It fits on the inside of the radiator neck. This cap measures 2.108" from tab to tab. The inside diameter of the cap is 2.806". The outside diameter is 2.886". The tang width is .398". The inside center diameter is 1.845".