Need help finding the right part for your boat motor? Send us an email by clicking here or use our "Advanced Search" tool to search for an OEM number, GLM number, or Sierra number.

Not sure which part you need? Find the part number in the chart below and search for that part number using our "Product Search" tool found in the upper left hand corner of this page.

For instance, if you have a 2-Cyl. 9.9 HP years 1981-1992 you would search for Standard Piston number 24410, Standard Ring 23710, or .020 Oversize Piston number 24420, Ring number 23720.