Temperature gauge: replica IH part number: 67135 D Fits dash opening of 2" / 52mm. Fits Farmall / IH Tractors: H, M,SH, SM, SMD, SMTA, O, W, SW This gauge has Yellow Zinc "Cad" Plating for corrosion resistance protection, The gauge has mounting studs and bracket, rubber gasket seal for mounting flush to dash. It has a 6 or 12 V bulb & holder included . IH Farmall Water temperature gauge has a 72" lead. IH logo on face. This temp gauge has chrome bezel and glass lens Temperature is measured in 3 zones. Black face with white lettering and colored zones to gauge temperature. 5/8-18 U.F. END with 1/2" NPT pipe bushing.