Quick view Add to Cart Sierra 18-4218 Brass 1/4" Drain Tap $13.49 $10.49 Sierra 18-4218 Drain Tap for Mercruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. Used with most OEM Manifolds. Fits Mercruiser cylinder blocks & exhaust manifolds Material: Brass Size: 1/4"... Add to Cart
Quick view Add to Cart Quicksilver OEM MerCruiser V8 Exhaust Manifold Gasket $11.99 $9.99 Quicksilver OEM MerCruiser V8 GM Exhaust Manifold Gasket 27-33395 This MerCruiser gasket is for use with V8 GM exhaust manifolds. Application Information: Fits MerCruiser V8 GM 283, 305, 350, & 377 CID... Add to Cart
Quick view Add to Cart Sierra 18-0549 Plug Off Cap Replaces 3852476 $13.49 $10.49 Sierra 18-0549 Plug Off Cap 1" I.D. Sierra high quality engine parts are designed to meet OEM specifications. For V8 Stern Drives and Inboards 1977 - present. Interchangeable with: GLM 22290 Johnson/Evinrude... Add to Cart
Quick view Add to Cart Sierra 18-0550 OMC V8 Plug Off Cap $12.99 $9.99 Sierra 18-0550 OMC Exhaust Manifold Plug Off Cap 1.25" I.D. Sierra high-quality engine parts are designed to meet OEM specifications. For V8 Stern Drives and Inboards 1977 - present. I.D.: 1-1/4" Interchangeable... Add to Cart
Quick view Add to Cart Mercury - Mercruiser 27-8M0215011 Exhaust Manifold Gasket $11.99 $10.49 Mercury - Mercruiser 27-8M0215011 Exhaust Manifold Gasket Fits GM V-6 engines Replaces: GLM 32170 Mallory 9-61421 OMC 3853412 Sierra 18-2909 Volvo 3853412 Genuine OEM Mercury-Mercruiser part. Add to Cart
Quick view Add to Cart Sierra 18-4263 Mercury MerCruiser Pipe Plug $5.49 $3.99 Sierra 18-4263 Pipe Plug 1/8"-27 NPT Sierra replacement pipe plug. Thread Size: 1/8" - 27 NPT Material:... Add to Cart
Quick view Add to Cart Sierra 18-1998-1 Universal Center Rise Exhaust Manifold $416.49 $291.99 Sierra 18-1998-1 Exhaust Manifold - Port & Starboard for Ford V8 Engines Fits Port and Starboard Sides. Universal Center Riser Manifold. Fits: Crusader 302 and 351 CID Engines Interceptor 221, 260 and 289 CID Engines Commander, Mercury, OMC,... Add to Cart
Quick view Add to Cart Sierra 18-0418 Exhaust Manifold Mounting Gasket $21.49 $14.99 Sierra 18-0418 Exhaust Manifold Mounting Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-8 (454, 482, 496, 502 & 504 CID) engines. Fits Volvo 7.4L, GL, GI, GSI, and 8.2L, GL, GI,... Add to Cart
Quick view Add to Cart Sierra 18-1997-1 Universal Center Riser Exhaust Manifold $392.99 $274.99 Sierra 18-1997-1 Universal Center Riser Exhaust Manifold This Sierra is a universal exhaust manifold for engines with center risers. Constructed from cast iron for maximum durability, this manifold can be used on either the port or starboard side... Add to Cart
Quick view Add to Cart Sierra 18-0604 GM 305/350 Exhaust Manifold Gasket Set $38.99 $27.49 Barr Exhaust Manifold Gasket Set by Sierra For GM 305/350 CID Engines and Barr Exhaust Systems. Use with Manifold 18-1997-1. Add to Cart
Quick view Add to Cart Sierra 18-0603 GLM 302/351 CID Exhaust Manifold Gasket Set $41.99 $29.49 Sierra 18-0603 Exhaust Manifold Gasket Set for Mercruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. For Ford 302/351 CID Engines and Indmar Inboard V8 Engines. Use with 18-1998-1 Manifold Set... Add to Cart
Quick view Add to Cart Sierra 18-0943-2-9 Exhaust Elbow Gasket (Priced Per Pkg Of 2) $18.99 $13.49 Sierra 18-0943-2-9 Exhaust Elbow Gasket (Priced Per Pkg Of 2) Sierra Exhaust Elbow Gasket for use on OMC Inboard and OMC Stern Drives. Interchangeable with: Barr OMC 47 909786 GLM 33810 Johnson/Evinrude... Add to Cart
Quick view Add to Cart Sierra 18-4009 Manifold End Plate Replaces 60252A2 $78.99 $55.49 Sierra 18-4009 Manifold End Plate for Mercruiser & OMC Sterndrives Sierra high-quality engine parts are designed to meet OEM specifications. For Use With: 18-1950-1 Manifold 18-1951-1 Manifold 18-1958-1 Manifold 18-1960-1 Manifold 18-1962-1... Add to Cart
Quick view Add to Cart Sierra 18-1909-1 Center Rise Manifold 4" Outlet Riser $359.49 $251.99 7° 4" Outlet Riser - Special Order est. 10 Days OMC Riser, 4" outlet 7°:Fits many GM & Ford center rise manifolds. Replaces: OMC 913784, 3855270, 3850456, 3857944,3856444 Volvo... Add to Cart
Quick view Add to Cart Sierra 18-8507 Exhaust Elbow Mounting Kit $31.99 $22.49 OMC/Volvo Exhaust Elbow Mounting Kit - Special Order est. 10 Days GM Small Block V8 305-350cu.in. Used with Riser 18-1909-1 Add to Cart
Quick view Add to Cart Sierra 18-0476-1 Riser Block Off Gasket Replaces 01-0105 $10.49 $7.99 Sierra 18-0476-1 Blocked Riser Gasket Ford Small Block V-8 For Ford Small Block V8 302-351 cu.in. Volvo Penta, Indmar & Marine Power Sterndrives Engines. Used with Risers: 18-1939 18-1999 18-1907 Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-4258 Pipe Plug $5.99 $4.99 Sierra 18-4258 MerCruiser Pipe Plug Sierra stainless steel pipe plug with square drive. Note: Pipe sealant with Teflon is recommended for use on plug threads. Thread Size: 3/4" - 14 NPT Use With: 18-1949 Manifold Spacer 18-1984 Manifold... Add to Cart
CLEARANCE Quick view Add to Cart Sierra 18-1992-1 Manifold Elbow Adapter $240.99 $161.49 Sierra 18-1992-1 Manifold Elbow Adapter Sierra high-quality engine parts are designed to meet OEM specifications. For 3" I.D. Exhaust Hose. 80° Interchangeable with: Barr 200087P Mallory 9-40120 Add to Cart
Quick view Add to Cart Sierra 18-2909-9 Exhaust Manifold Gasket (Priced Per Pkg Of 2) $21.99 $15.49 Sierra 18-2909-9 Exhaust Manifold Gasket (Priced Per Pkg of 2) This exhaust manifold gasket set is an aftermarket product that meets or exceeds OEM requirements. Supersedes 18-2909 Use with: Exhaust Manifold 18-1952-1 Exhaust Manifold... Add to Cart
Quick view Add to Cart Sierra 18-0183-1 Exhaust Manifold Gasket $16.99 $12.99 Sierra 18-0183-1 Exhaust Manifold Gasket for Mercruiser, OMC Sierra Exhaust Manifold Gasket for use on Mercruiser and OMC Stern Drives. Fits MCM/MIE Ford V-8 engines Use With: 18-1996 Manifold 18-1998-1 Manifold 18-1962-1... Add to Cart
