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Mercruiser V8 Models 898R, 228R & 260R

Center riser direct replacement

Mercruiser V8 Models 898R, 228R & 260R
Part Number Description
MC-1-87114 Direct replacement water cooled exhaust manifold. Replaces MerCruiser part numbers 87114A8, 87114A19 and 860246A10.
MC-20-44354 Direct replacement water cooled center discharge riser. Replaces MerCruiser part number B-44354A3. Accepts 4" I.D. exhaust hose (8-degree angle).
MC-20-98502 Direct replacement water cooled center discharge riser. Replaces MerCruiser part number 98502A2. Accepts 3" I.D. exhaust hose (0-degree angle).
MC-20-98504 Direct replacement water cooled center discharge riser. Replaces MerCruiser part number 98504A3. Accepts 3" I.D. exhaust hose (15-degree angle).
MC-20-44354P Mounting package for MC-20-44354 riser.
MC-20-87918 Direct replacement stainless steel block off plate for use with MerCruiser riser numbers 98502, 98504 and 44354. Requires two (2) gaskets—part number MC47-27-41813.
MC-20-93320A3 Manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
MC-20-93322A3 Manifold to riser 6" spacer blocks (pair) with fastener and gasket package.
MC-20-98504P Mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
MC-20-99208 Direct replacement stainless steel restrictor plate for use with MerCruiser riser numbers 98502, 98504 and 44354. Requires two (2) gaskets—part number MC47-27-41813.
MC-27-93175 Alternator bracket.
MC-29-47441 Upper thermostat housing.
MC-29-87290 Lower thermostat housing.
MC47-27-33395 Direct replacement exhaust manifold to head gasket.
MC47-27-41811 Direct replacement restrictor gasket. Replaces MerCruiser part number 27-41811. To be used with MC-20-87918 (two (2) required per plate used).
MC47-27-41813 Direct replacement restrictor gasket. Replaces MerCruiser part number 27-41813.
MC47-27-87105 Direct replacement exhaust elbow gasket. Replaces MerCruiser part number 27-87105.
MC-50-87238 Exhaust manifold drain cock.
MC-50-806926 Replacement 3/4" N.P.T. x 1" hose fitting (90-degree) / brass drain cock.
Note
Manifold includes all plugs, gaskets and mounting hardware to head. Risers include plugs, gasket and mounting hardware to mount to manifold.

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