MerCruiser 4 Cylinder 153 Model 120 Exhaust Kit with Elbow Riser 

Complete Barr Marine exhaust kit for the MerCruiser 4 Cylinder 153 Model 120. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) MC-1-63122 MerCruiser 4 Cylinder 153 Model 120 Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 63122A13 and Sierra 18-1959.
• (1) MC-20-55538 MerCruiser 4 Cylinder 153 Exhaust Elbow Riser. Direct replacement exhaust elbow/ riser. Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 55538A2, Osco 5538, Mallory 9-40553 and Sierra 18-1973.

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

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• 1-47638 direct replacement exhaust manifold end cap/connector (front).
• 1-47638P exhaust manifold end cap/connector (front) mounting package.
• MC-1-35898P intake manifold mounting package.
• MC-1-63122P exhaust manifold mounting package.
• MC-20-55538P riser to exhaust manifold mounting package.
• MC-29-47587 direct replacement lower thermostat housing.
• MC-29-60372 direct replacement upper thermostat housing.
• MC47-27-35898 direct replacement intake manifold gasket.
• MC47-27-35898A4 exhaust manifold gasket set.
• MC47-27-39915 direct replacement exhaust manifold to exhaust elbow gasket.
• MC47-27-39923 direct replacement exhaust manifold end cap gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.