Includes O-Ring; Ford / New Holland Tractor 2000 (W/ 4 Cyl Gas Or Diesel Engine) 4000 (W/ 4 Cyl Gas Or Diesel Engine) 500 Series (W/ Gas Engine 1955-1964 Diesel Engine 1 600 Series (W/ Gas Engine 1955-1964 Diesel Engine 1 700 Series (W/ Gas Engine 1955-1964 Diesel Engine 1 800 Series (Sn 126524 W/ Gas Engine 1955-1960 Dies 900 Series (Sn 126524 W/ Gas Engine 1955-1960 Dies
