It is advisable to carry a spare water pump impeller as they can go at any time. Luckily it's a relatively easy job to replace, as long as you have a spare!
The Jabsco 21414-0001-P impeller kit includes a neoprene impeller (suitable for pumping water) featuring a single flat drive and six blades to replace your old engine water pump impeller.
Included in the Jabsco 21414-0001-P Impeller Kit
Impeller (21414-0001B) ONLY
Jabsco 21414-0001-P Substitutes
Yanmar: 12817042070, 1GM10
Jabsco 21414-0001-P Specifications
Drive TypeSingle Flat Drive
Diameter32mm (1 1/4")
Shaft Diameter8mm (5/16")