STORE STOCK #1676. You are buying 1 NEW OLD STOCK valve EVERCO P/n H1944 same as GM P/n 370178 & 3992098. This is the heater control valve for ALL of the following models; CHEVROLET; Impala; Caprice; Bel Air: Biscayne; 1971; 1972; ALL with FACTORY A/C.  Chevelle; SS; Laguna; Malibu; El Camino;  Nova; Monte Carlo; Camaro; SS; 1971; 1972; 1973; 1974; ALL with FACTORY A/C and valve mounted in the intake manifold. PONTIAC; Ventura; 1971; 1972; ALL with Factory A/C.   This is a Quality USA made product made in the days before Everco moved their manufacturing outside the US from Ottumwa Iowa. This is a USA made part that was made back when the US was #1! Part is A-1 in it's original box. Buyer to pay  within 3 days of sale by paypal and include 11.00 S&H in USA. I COMBINE SHIPPING FOR MULTIPLE ITEMS! Please check my Ebay store FOR MORE NOS PARTS from our 95,000 part inventory!