Replacement kits aftermarket Mercruiser Sea Water Pump Service Kit Includes the following items: 1pc Impeller, 1pc 316 Stainless Steel Wear Plate, 1 pc O-Ring, 1 pc X-Ring. Fits Mercruiser engines with engine mounted sea water pumps (1997 & later). Equivalent to: Mercruiser 47-59362T6, Sierra 18-3224, GLM 12084.