Gaskets & Bolts

New OEM MerCruiser Big block manifold mounting bolt 454 /502 Each manifold requires 8 of these bolts

OEM MerCruiser Exhaust Riser mounting bolts Fits 4.3 , small block, and big block MerCruiser engines with 4" Riser Elbows Will not work for dry joint (2002+) Not for riser mounted remote oil filter! see other listings

OEM MerCruiser Full Flow Riser Elbow Gasket 27-863726 Factory gasket that goes between the manifold and riser. Used on GM V6 and V8 engines. This is the Completely open gasket for Full Flow engines only! Please confirm fitment of MerCruiser parts with...

OEM MerCruiser Restricted Riser Elbow Gasket 27-863724 Factory gasket that goes between the manifold and riser. Used on GM V6 and V8 engines. This is the partially open gasket for Restricted flow engines only! Please confirm fitment of MerCruiser parts...

OEM MerCruiser Block off riser elbow Gasket 27-8637251 Factory gasket that goes between the manifold and riser. Used on GM V6 and V8 engines. This is the Completely blocked off gasket for closed cooling engines only! Please confirm fitment of MerCruiser...

OEM MerCruiser DRY JOINT Restricted riser elbow Gasket 27-864850a02 • Factory gasket that goes between the manifold and riser• Used on GM V6 and V8 engines 2002+• This is the partially open gasket for restricted flow engines...

OEM MerCruiser DRY JOINT riser elbow Full Flow Gasket 27-864547a02 • Factory gasket that goes between the manifold and riser. Used on GM V6 and V8 engines 2002+• This is the Completely open gasket for full flow engines only!• DRY JOINT...

OEM MerCruiser Exhaust Manifold 90 Drain Plug Elbow Fitting 22-862210a01 Fits MerCruiser V6 and V8 engines This is the fitting on the bottom of the exhaust manifold This is the METAL Elbow made to replace all previous elbows, the plastic elbows break...

MerCruiser " T " fitting for under manifold 22-863786A1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH

OEM MerCruiser Big Block Manifold to Head Gasket 27-46820 Factory gasket that goes between the head and manifold. Used on all center riser Chevy Big block V8 (454, 482, 496, 502, 540) Please confirm fitment of MerCruiser parts with your serial...

OEM MerCruiser Exhaust Riser mounting bolts (extended) (63/4") Fits 4.3 , small block, and big block MerCruiser engines with 4" Riser Elbows Will not work for dry joint (2002+) ONLY for riser mounted remote oil filter!usually 2x per engine You will need...

OEM MerCruiser DRY JOINT riser elbow block off Gasket 27-864549a02 Factory gasket that goes between the manifold and riser. Used on GM V6 and V8 engines 2002+This is the Completely blocked off gasket for closed cooling engines only!DRY JOINT ENGINES...

MerCruiser straight hose fitting 22-866725 22-863804 22-866725 replaces 22-863804 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold...