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Mercruiser V8 Exhaust Risers & Accessories

Direct replacement

Mercruiser V8 Exhaust Risers & Accessories
Part Number Description
MC-20-12076 Direct replacement exhaust riser. Replaces MerCruiser part number 12076A2.
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-20-55538 Direct replacement exhaust elbow / riser. Replaces MerCruiser part numbers B-39920 and B-55538A2.
MC-20-60426 Direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water / air mixing area). Replaces MerCruiser part number B-60426A1.
MC-20-72963 Direct replacement exhaust elbow riser. Replaces MerCruiser part number B-72963A1 (inboard applications).
MC-20-76325 Direct replacement exhaust riser. Replaces MerCruiser part number 76325A2.
MC-20-76351 Direct replacement exhaust elbow riser. Replaces MerCruiser part number B-76351A1.
MC-20-76668 Direct replacement exhaust elbow riser. Replaces MerCruiser part numbers B-76668A3, B-72964A1 and B-47877A4 (I/O applications).
MC-20-76771 Direct replacement exhaust elbow riser. Replaces MerCruiser part number B-76771A3 (inboard applications).
MC-20-864591 Direct replacement exhaust riser / elbow. Replaces MerCruiser part number 864591T02.
MC-20-90880 Direct replacement (cast iron) exhaust riser/expansion tank. Replaces MerCruiser part number 90880A2.
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-20-55730 Stainless steel fresh water cooling block off plate for use with MerCruiser riser numbers 60426, 76351 and 76771. Requires two (2) gaskets—part number MC47-27-99777.
MC-20-60207 Stainless steel block off plate (with vent hole) for use with MerCruiser riser numbers 60426, 76351 and 76771. Requires two (2) gaskets—part number MC47-27-99777. Used in pre-heating plumbing systems.
MC-20-87918 Direct replacement stainless steel block off plate for use with MerCruiser riser numbers 98502, 98504 and 44354.
MC-20-99208 Direct replacement stainless steel restrictor plate for use with MerCruiser riser numbers 98502, 98504 and 44354.
Note
Risers include plugs, gasket and mounting hardware to mount to manifold.