Sierra 18-0680 Exhaust Manifold Gasket Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits MCM 3.0L 1998 Newer MCM 3.0LX 1990-1997 Interchangeable with GLM 33580 Mallory 9-61428 Mercruiser Stern Drive 27-815528 OMC Stern Drive 3853256 914518 Volvo Penta 3853256 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Product MPN 18-0680 Product UPC 808282105938 Type Manifold Gaskets Fast