PART NO. SPL.PAGE DESCRIPTION 11G3147 15.F.1 Oil seal assy (early 1500 gearbox) -Changed to 1H3339 Com.(G)A101 (mid 1500) -Changed to 1H3275 Com.(E)GD101 (late 1500 onward gearbox)The original style rear seal for the early 1500 gearbox had a wide leather oil seal and a felt dust seal. The steel cup shell fits over the outside of the gearbox tail housing. The seal Inside Diameter is 1-3/8" (nominal), same as the propshaft front yoke pilot diameter that slides into the gearbox bi-metal bushing. For modern reproduction parts the leather is likely changed to some form of rubber seal. For more information see gearbox tech article GT-111 |