Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W3-C-188 found under Crankshaft Engine by Harding Watercraft Inc. The National Stock Number assigned to this part is 2805013148785, and the Federal Supply Class is 2805 Gasoline Reciprocating Engines Except Aircraft And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W3-C-188.