STORE STOCK #1790. You are buying a NEW OLD STOCK thermostat housing or water outlet EVERCO P/n W1477. This part is the same as GM P/n 3789162 and fits ALL 6 CYLINDER APPLICATIONS of the following models; BUICK; Skylark; Special; 1968; 1969; 1970; 1971; 1972; 1973; ALL 250 cubic inch. CHEVROLET; BelAir; Caprice; Camaro; Malibu; Chevelle; El Camino; 1963; 1964; 1965; ALL EXC 194 CI. 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; ALL. Nova; Chevy II; 1970; 1971; 1972; 1973; ALL. OLDSMOBILE; Cutlass; F-85; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; ALL. Omega; 1973; ALL.  PONTIAC; Tempest; LeMans; 1964; 1965; ALL. 1970; 1971; 1972; 1973; ALL. Firebird; Phoenix; Ventura; 191970; 1971; 1972; 1973; ALL. This is the HEAVY DURY CAST IRON piece and comes with gasket. Buyer to pay within 3 days of sale by paypal and include 11.00 S&H in USA by Priority Mail. PLEASE CHECK MY EBAY STORE for a sample of the over 90,000 NOS parts we have on hand! SHIPPING IS ALWAYS COMBINED!!!