Exhaust Manifolds & Gaskets

EMP Cap for OMC Exhaust Manifolds, Part Number 26-01644

Sierra 18-8527 Stainless Exhaust Manifold Mounting Kit for Chrysler 318-360 CID Engines (1966 & Up)

Sierra Exhaust Manifold Mounting Kit 18-8524 for GM Big Block V8 454 CH350/454XL Manifolds 18-1929 & 18-1933

Sierra 18-8502 Exhaust Manifold Mounting Kit for OMC Sterndrive/Cobra I/O, Fits Manifold 18-1986-1

Sierra 18-4456 Exhaust Protector Valve - Replaces GLM 89240, Mallory 9-44000, Mercruiser 34765A2/34765A1

Sierra 18-4458 Exhaust Protector Valve, White, 5 Inch and 6 Inch, Replaces GLM 89260

Sierra 18-4457 Exhaust Protector Valve, Replaces Mercury Marine 12644A1, 4 Inch EPDM

Sierra 18-4367 Exhaust Manifold Gasket Set, Replaces 27-99777A1, for GM 153 & 181 CID I/O Engines

Sierra 18-4349 Exhaust Manifold Gasket Set, Interchangeable with GLM 39880 and Mallory 9-61455

Sierra 18-4348 Exhaust Manifold Gasket Set, Replaces 27-46820, for GM 454, 525 (7.4L & 8.2L)

Sierra 18-4347-1 Exhaust Manifold Gasket Set for GM 175/185/205 HP 229 and 262 CID Engines

Sierra 18-4009 Manifold Front Plate, Replaces Mercury Marine 60252A2, Fits Port and Starboard Exhaust Manifolds

Sierra 18-4008 Block Off Plate, OEM 60207, for 18-1958-1 and 18-1962-1 Exhaust Manifolds

Sierra 18-2949-9 Exhaust Manifold Gasket, Pack of 2, Replaces 96306, Fits MCM/MIE GM V-8 283/305/350/377 cid Engines

Sierra 18-2909-9 Exhaust Manifold Gasket for GM V6 229 & 262 cu.in Manifold 18-1952-1, Pack of 2

Sierra 18-2894-9 Exhaust Housing Gasket, Replaces 304314, Johnson/Evinrude 35/40 HP, Pack of 2

Sierra 18-2901-9 Exhaust Housing Gasket, Replaces 313065 306205, for Johnson/Evinrude 5, 5.5, 6 HP Outboards, Pack of 2

Sierra Exhaust Cover Gasket 18-2714, Replaces 27-414995, for 15-25 HP 2 Cyl Outboards

Sierra 18-2500-9 Exhaust Cover Gasket, Replaces Mercury 27-85493, Pack of 2

Sierra 18-1997-1 Cast Iron Exhaust Manifold - Fits OMC, Pleasurecraft GM & Volvo 283-350 CID Engines, Replaces GLM 56230

Sierra 18-1998-1 Exhaust Manifold, White, Cross-Reference Barr FM-1-83

Sierra Manifold Elbow 18-1976-2, Replaces Mercury Marine 44354A3, 807914A1, Fits 18-1953-2 Manifold, 4 Inch Hose, 7 Degree Down Angle

Sierra Exhaust Manifold 18-1986-2, Replaces OE 3857723, Fits GM Small Block V8 305-350 cid