Water Pump Impeller Replacement for Mercury Mariner OutboardThis is the critical component of the water pump and ensures a continuous supply of the correct amount of coolant to the engine.Carrying a spare impeller on your craft is advisable.Using the Water Pump Impeller guarantees safety and peace of mind.Replace: for Mercury Mariner 47-84797Mfor 18-3067for CEF 500326Application: (1) Fit for Mercury Mariner outboard engines 2-stroke: 20HP 20C Mode Code 6A930HP 30A W30(W-MARATHON)25HP 25C (through propeller exhaust)28HP Mode Code 664(2) Fit for outboard engines 2-stroke: 25hp & 30hp 2-Stroke 1984-87CV25 (25hp) & CV30 (30hp) 2-Stroke 1989-90C25 (25hp & C30 (30hp) 2-Stroke 1991-97Material: ABScolour: blackPackage Contents: 1 x Water Pump ImpellerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.