47-3583 PUMP CIRC WP SMBLKV6V8 17437 (SIE 3583)

Marine Water Circulating Pump for early model GM V-6 4.3L & Small Block V-8 5.0/5.7L Engines using a stamped steel timing cover. Features ... * Brass Bi-directional impeller. * All mounting hubs checked for proper roll-out. * All new pump body castings, not rebuilt units. * Produced domestically at Sierra's Clearwater, Florida facility. * Stainless steel backing plate and attaching hardware. * All pumps are vacuum tested to insure proper operation.