Reed Block Gasket
Replaces: GLM: 30670
Mercury/Mercruiser: 27-657443
Sierra: 18-0129
Fits Mercury/Mariner 175-275 HP outboard engines.
UPC: 840080421773
Intake Gaskets, Seals and Gaskets
27-27510-1
Reed Block Gasket for Mercury/Mariner 175-275 HP outboard engines.