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 Stern...

Sierra 18-4257 Pipe Plug Sierra high-quality replacement pipe plug for use.  Material: Black Steel Thread Size: 1/4" Note: Pipe sealant with Teflon is recommended for use on plug threads...

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...

Sierra 18-4201 Expansion Plug Size: 45mm (1.770") Material: Stainless Steel Interchangeable with: Volvo Penta 192212