Quick view Add to Cart Sierra 18-4218 Brass 1/4" Drain Tap $14.69 $12.49 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. Features: Fits MerCruiser cylinder blocks & exhaust manifolds Material: Brass Size:... Add to Cart
Quick view Add to Cart Quicksilver 27-33395 MerCruiser V8 Exhaust Manifold Gasket $11.99 $9.99 Quicksilver 27-33395 MerCruiser V8 Exhaust Manifold Gasket OEM-quality exhaust manifold gasket for V8 MerCruiser sterndrive and inboard engines built by General Motors. Designed to maintain proper sealing and engine performance. Refer to your... Add to Cart
Quick view Add to Cart Sierra 18-0549 Plug Off Cap Replaces 3852476 $15.19 $12.99 Sierra 18-0549 Plug Off Cap 1" I.D. Sierra high quality engine parts are designed to meet OEM specifications. Features: I.D.: 1" or 25.4mm For V8 Stern Drives and Inboards 1977 - present. Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-0550 OMC V8 Plug Off Cap $14.49 $12.29 Sierra 18-0550 OMC Exhaust Manifold Plug Off Cap 1.25" I.D. Sierra high-quality engine parts are designed to meet OEM specifications. Features: I.D.: 1-1/4" For V8 Stern Drives and Inboards 1977 - present. Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-4263 Mercury MerCruiser Pipe Plug $6.09 $4.69 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 $458.69 $330.29 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 $22.99 $16.59 Sierra 18-0418 Exhaust Manifold Mounting Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Features: 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 $443.59 $319.39 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 18-4009 Manifold End Plate Replaces 60252A2 $89.29 $64.29 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 18-1986-2 Exhaust Manifold Replaces 3857723 $470.09 $338.39 Sierra 18-1986-2 Volvo/OMC Exhaust Manifold Replaces 3857723 Replaces: OMC & Volvo 3857723, 3847501, 3857579, 3852374-2,3852374 Mallory 9-40902 Barr OMC-1-914035 GLM 51430 Sierra 18-1986-1 Use With: Exhaust... Add to Cart
Quick view Add to Cart Sierra 18-1909-1 Center Rise Manifold 4" Outlet Riser $395.79 $284.89 Sierra 18-1909-1 Center Rise Manifold 4" Outlet Riser Special Order est. 10 Days. Fits many GM & Ford center rise manifolds. Features: Material: Cast Iron 4" outlet 7° Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-8507 Exhaust Elbow Mounting Kit $35.89 $25.89 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 $11.49 $8.89 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 18-2909-9 Exhaust Manifold Gasket (Priced Per Pkg Of 2) $24.49 $17.59 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 18-4258 Pipe Plug $6.79 $5.69 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
Quick view Add to Cart Sierra 18-0183-1 Exhaust Manifold Gasket $18.79 $15.89 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
CLEARANCE Quick view Add to Cart Sierra 18-1992-1 Manifold Elbow Adapter $271.69 $181.99 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 18-2859 Manifold End Cap Gasket $5.49 $3.99 Sierra 18-2859 Manifold End Cap Gasket for OMC Stern Drive Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Barr OMC47311131 OMC Stern Drive 311131 Add to Cart
Quick view Add to Cart Sierra 18-8502 Exhaust Manifold Mounting Kit $81.79 $58.89 Sierra 18-8502 Exhaust Manifold Mounting Kit for V-8 Small Block Sierra high-quality engine parts are designed to meet OEM specifications. OMC GM Small Block V8 305-350cu.in. (1979-89) OMC/Volvo... Add to Cart
Quick view Add to Cart Sierra 18-4264 Pipe Plug $5.29 $4.69 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 recommended for use on plug threads. Thread Size:... Add to Cart
