Radiator cap for non pressurized systems. Fits on inside of neck. 2.108″ tab to tab, 2.806″ ID cap. Tractors: Unstyled WC, Unstyled WF. Vintage Iron

Interchange 112105,13509G,43983D, Net Weight (lbs) 1.00 Make Type Model Allis Chalmers Tractor WC Allis Chalmers Tractor WF International Harvester Tractor A International Harvester Tractor B International Harvester Tractor C International Harvester Tractor H International Harvester Tractor I4 International Harvester Tractor I9 International Harvester Tractor M International Harvester Tractor O4 International Harvester Tractor O6 International Harvester Tractor Super A International Harvester Tractor W4 International Harvester Tractor W6 International Harvester Tractor W9 Oliver Tractor 55 Oliver Tractor 60 Oliver Tractor 66 Oliver Tractor 70 Oliver Tractor 77 Oliver Tractor 88 Oliver Tractor Super 55 Oliver Tractor Super 66

Also fits AC Power Unit W201.

• This radiator cap includes the gasket and is for non-pressurized systems only(no spring under the cap).
• It fits on the inside of the radiator neck.
• This cap measures 2.108″ from tab to tab and 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″.