Mounting Kits and Hardware - MerCruiser

Riser to exhaust manifold mounting package.

Replaces Mallory 9-40571.

Fits MerCruiser 4 cylinder 153 C.I.D. 120 H.P., Model 120 engine (log style direct replacement).

Compatible parts:

• MC-1-63122 direct replacement water cooled exhaust manifold.
• MC-20-55538 direct replacement exhaust elbow/ riser.

Manufactured by Barr Marine. Part number MC-20-55538P.

Exhaust riser elbow mounting package.

Fits these applications:

• MerCruiser V8 225, 250, 255, 270 and 280, inboard and stern drive units (log style direct replacement).
• MerCruiser V8 325, 330, 350, 370 and 400, inboard and stern drive units (log style direct replacement).

Compatible parts:

• MC-1-47735 direct replacement water cooled exhaust manifold (port side).
• MC-1-47736 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-47737 direct replacement water cooled exhaust manifold (port side).
• MC-1-47738 direct replacement water cooled exhaust manifold (starboard side).
• MC-20-72963 direct replacement exhaust elbow riser.
• MC-20-76668 direct replacement exhaust elbow riser.
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.

Manufactured by Barr Marine. Part number MC-20-72963P.

Mounting package for MerCruiser exhaust riser MC-20-76325.

• Includes gasket and bolts.

Manufactured by Barr Marine. Part number MC-20-76325P.

Exhaust riser elbow mounting package.

Fits these applications:

• MerCruiser V8 225, 250, 255, 270 and 280, inboard and stern drive units (log style direct replacement).
• MerCruiser V8 325, 330, 350, 370 and 400, inboard and stern drive units (log style direct replacement).

Compatible parts:

• MC-1-47735 direct replacement water cooled exhaust manifold (port side).
• MC-1-47736 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-47737 direct replacement water cooled exhaust manifold (port side).
• MC-1-47738 direct replacement water cooled exhaust manifold (starboard side).
• MC-20-72963 direct replacement exhaust elbow riser.
• MC-20-76668 direct replacement exhaust elbow riser.
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.

Manufactured by Barr Marine. Part number MC-20-76668P.

Mounting package for MerCruiser exhaust riser MC-20-76771.

• Includes gasket and bolts.

Manufactured by Barr Marine. Part number MC-20-76771P.

Exhaust riser mounting package.

Fits MerCruiser V8 5.0L, 5.7L and 6.2L "dry joint" exhaust, all carbureted, MPI, inboard, Alpha and Bravo stern drive models (center riser direct replacement).

• Includes restrictor gasket for raw water applications.
• Always use the correct riser gasket for your application and refer to the correct guide to install gaskets correctly. Improperly installed gaskets, leaks or damage caused by either are not covered by the Barr Marine warranty. Gaskets are not subject to exchange or refund under any circumstances.

Compatible parts:

• MC-1-865735 direct replacement exhaust manifold.
• MC-20-864309 direct replacement exhaust riser/elbow. Riser will replace the equivalent part number on 4.3L Models as well.
• MC-20-864591 direct t replacement exhaust riser/ elbow.

Manufactured by Barr Marine. Part number MC-20-864309P.

Exhaust riser mounting package.

Fits MerCruiser V8 5.0L, 5.7L and 6.2L "dry joint" exhaust, all carbureted, MPI, inboard, Alpha and Bravo stern drive models (center riser direct replacement).

• Includes restrictor gasket for raw water applications.
• Always use the correct riser gasket for your application and refer to the correct guide to install gaskets correctly. Improperly installed gaskets, leaks or damage caused by either are not covered by the Barr Marine warranty. Gaskets are not subject to exchange or refund under any circumstances.

Compatible parts:

• MC-1-865735 direct replacement exhaust manifold.
• MC-20-864309 direct replacement exhaust riser/elbow. Riser will replace the equivalent part number on 4.3L Models as well.
• MC-20-864591 direct t replacement exhaust riser/ elbow.

Manufactured by Barr Marine. Part number MC-20-864591P.

Mounting package for MerCruiser exhaust riser MC-20-90880 reservoir/elbow.

• Includes gaskets and bolts.

Manufactured by Barr Marine. Part number MC-20-90880P.

Mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).

Replaces Mallory 9-61414.

Fits these applications:

• MerCruiser V6 229 and 262 C.I.D., Models 185R, 185MR, 205R and 205MR (center riser direct replacement).
• MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).
• MerCruiser V8 Models 330, 340 and 454 Magnum, inboard and stern drive units (center riser direct replacement).

Compatible parts:

• MC-1-87114 direct replacement water cooled exhaust manifold.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• 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.

Manufactured by Barr Marine. Part number MC-20-98504P.

Mounting package for MC-20-61811A4 spacer block kit.

Manufactured by Barr Marine. Part number MC-20-61811A4P.

Mounting package used to mount a pair of MC-20-93320A3 3" spacer blocks. Mounts between exhaust manifold and exhaust riser.

• Includes all mounting hardware, gaskets and drain plugs.

Manufactured by Barr Marine. Part number MC-20-61851A2P.

Mounting package used to mount a single MC-20-93320A2 3" spacer block. Mounts between exhaust manifold and exhaust riser.

• Includes all mounting hardware, gaskets and drain plugs.

Manufactured by Barr Marine. Part number MC-20-61851A3P.

Mounting package for MC-20-93320A3 spacer block kit.

Manufactured by Barr Marine. Part number MC-20-93320A3P.

Mounting package for MC-20-93322A3 spacer block kit.

Replaces Mallory 9-40584.

Manufactured by Barr Marine. Part number MC-20-93322A3P.

Exhaust manifold mounting package. Riser gasket sold seperately. Purchase correct gaskets as needed.

Fits MerCruiser V6 4.3L "dry joint" exhaust, all carbureted, MPI, inboard, Alpha and Bravo stern drive models (center riser direct replacement).

• Always use the correct riser gasket for your application and refer to the correct guide to install gaskets correctly. Improperly installed gaskets, leaks or damage caused by either are not covered by the Barr Marine warranty. Gaskets are not subject to exchange or refund under any circumstances.

Compatible parts:

• MC-1-864612 direct replacement exhaust manifold.
• MC-20-864309 direct replacement exhaust riser/elbow. Riser will replace the equivalent part number on 4.3L Models as well.
• MC-20-864591 direct t replacement exhaust riser/ elbow.

Manufactured by Barr Marine. Part number MC-1-864612P.

Mounting package for mounting a MerCruiser center discharge exhaust manifold to engine cylinder head for MC-1-865735 V8 dry joint small block manifold.

• Includes hardware and engine to manifold gaasket.

Manufactured by Barr Marine. Part number MC-1-865735P.

Manifold mounting package. Used for MC-1-77234 or MC-1-77235 manifold. Hardware only no gasket.

Fits these applications:

• MerCruiser V8 198, 228, 255, 260 and 898, inboard and stern drive units (log style direct replacement).
• MerCruiser V8 225, 250, 255, 270 and 280, inboard and stern drive units (log style direct replacement).

Compatible parts:

• MC-1-47737 direct replacement water cooled exhaust manifold (port side).
• MC-1-47738 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-77234 direct replacement water cooled exhaust manifold (port side).
• MC-1-77235 direct replacement water cooled exhaust manifold (starboard side).
• MC-20-60426 direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area).
• MC-20-72963 direct replacement exhaust elbow riser.
• MC-20-76351 direct replacement exhaust elbow riser.
• MC-20-76668 direct replacement exhaust elbow riser.
• MC-20-76771 direct replacement exhaust elbow riser.
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• MC-20-61851A2 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.

Manufactured by Barr Marine. Part number MC-1-77234P.

Exhaust manifold mounting package for MerCruiser V8 198 through 898 log style manifolds.

Manufactured by Barr Marine. Part number MC-1-77235P.