Manufacturer part number:10615K or 10615K-, 12 ,diameter 2-9/16inch, width 1-5/8inch ,keyway 3/16inch ,shaft 5/8inch. Compatible with:compatible with for 10615/10615K-, compatible with for 835874,compatible with for 18948-0001, compatible with for 09-702B-1, compatible with for 3908220, 810615, B10615, CO1320292, CO1320348, compatible with for Onan 132-0292, 132-0348, 132-0349, compatible with for Oberdorfer 8922. compatible with Pump Models: for NA900012,for Pleasurecraft R061017,RP061017,for -Craft 16.80-90131,for 20300,20310,R061017,Universal 13930,for Westerbeke 13930,for J050020,for CEF 500120,for 0981939,for 18-3047,18-3061 Note:When you put impeller back, put it in. You'd better remember orientation of impeller. The impeller kit contains many different gaskets. Before putting a gasket, you can use a blade to clean up old stains and gaskets on metal gasket. Never use or petroleum-based products on neoprene or rubber seals or O-rings. Use silicone lubricating oil with or without PTFE. Please note: There may be slight color difference or discrepancy in actual product, which does not affect use, please don't mind, thank you! Color: As Shown Material: Metal Package Contents: 1 x Impeller Kit for Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.