Sierra 18-4258 Pipe Plug

Sierra 18-4263 Pipe Plug 1/8"-27 NPT Sierra replacement pipe plug. Thread Size: 1/8" - 27 NPT Material:...

Sierra 18-4257 Pipe Plug Sierra high-quality replacement pipe plug for use.  Material: Black Steel Thread Size: 1/4" Note: Pipe sealant with Teflon is recommended for use on plug threads...

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...

Sierra 18-1953-2 Mercruiser V8 Exhaust Manifold Sierra exhaust manifolds are designed as OEM replacements and meet or exceed manufacturer’s requirements. Sierra replacement manifolds are fully...

Sierra 18-1976-2 Mercruiser Manifold Elbow Fits most Mercruiser V6 and V8 applications, 7 degree (4" O.D. Riser). Unlike automotive engines, all marine inboards have exhaust risers that feature a...

Universal Exhaust Manifold with Mounting Package by Sierra For Port & Starboard Sides. Universal Center Riser Manifold. Fits: Chriscraft 283, 302, 307, and 350 CID Engines. Crusader 283 and...

Sierra 18-1952-1 Exhaust Manifold For Mercruiser V6 Engines. Fits Both Port or Starboard Sides. Mounting Gasket Included...

Sierra 18-5247 Tune Up Kit for Mercruiser V8 Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications. For late model V-8 (Alpha/Bravo 350 Mag. 5.0L, 5.7L & 6.2L MPI...

Sierra 18-4226 Mercruiser Blue Plastic Drain Plug This Sierra 18-4226 drain plug is widely used for Mercruiser V4, V6 and V8 marine engines. Fits Mercruiser cylinder blocks and exhaust...

Exhaust Manifold - Port & Starboard for Ford V8 Engines by Sierra Fits Port and Starboard Sides. Universal Center Riser Manifold. Use With: Exhaust Manifold Gasket: 18-0183 Exhaust Manifold...