Sierra 18-4272 Welch Plug

Sierra 18-4251 OMC Ball Gear Plug Sierra high-quality engine parts are designed to meet OEM specifications. O.D.: 1.748 Interchangeable with: GLM 22030 Mallory 9-78013 OMC...

Sierra 18-6021 Zinc Anode Plug for Volvo Penta Sierra replacement anode plug for Volvo Penta engines. Material: Zinc Interchangeable with: Tecnoseal 00714TPM Volvo...

Sierra 18-4256 Pipe Plug 56507 Pipe Sealant with Teflon is recommended for use on 

Sierra 18-4264 Pipe Plug Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drives and Mercury Marine engines. Using Pipe Sealant with Teflon is...