ITEM NAME:Water Pump Impeller Repair Kit Replace Assembly for Yamaha 40HP 50HP 60HP 4 Description: 100% Brand New Water pump repair kit for Yamaha Outboard It replaces part # 63D-W0078-01-00 Sierra 18-3434 Number of : 6 Material: Rubber + Metal; Diameter: Approx. 51mm/2.01" Specification: Fitment: This water pump kit fits the following for Yamaha engines: 40 hp 2-Stroke 1995 - 2005 40 hp 2-Stroke (Model C40) 1997 - 2003 40 hp 2-Stroke (Model P40) 1998 40 hp 4-Stroke (Model F40) 1999 50 hp 4-Stroke (Model F50) 1995 - 2009 50 hp 2-Stroke 1998 - 2009 50 hp 2-Stroke (Model C50) 1998 - 2001 50 hp 2-Stroke (Model P50) 1995 - 1996 60 hp 4-Stroke (Model F60) 2002 - 2009 Package Includes: 1 Set Water Pump Impeller Kit SKU: DMO0000386867006809.1 Set Water Pump Impeller Kit. Water pump repair kit for Yamaha Outboard. This water pump kit fits the following for Yamaha engines It replaces part # 63D-W0078-01-00 Sierra 18-3434. SKU: DMO0000386867006809.