or per your engine manufacturer's service schedule
exhaust Mercury 25C 25 2-Stroke 43113T/43113M Through prop
Year splits can be complex
1 x Single Channel Pipette (100-1000μL)
which demands a moderate level of mechanical skill and proper tools
Exhaust Elbow Gasket – Fits MerCruiser 3.7L 165-190HP (Replaces 27-18272, 27-97863) Volvo Penta or per your engine manufacturer'sProduct Details This is a direct replacement Exhaust Elbow Gasket Fits MerCruiser 3. 7L 165 190HP, designed for MerCruiser 4 cylinder 165HP, 170HP, 180HP, 190HP, and 3. 7LX engines with aluminum exhaust manifolds from 19851989. It ensures a perfect seal between the exhaust elbow and the manifold. This gasket serves as a direct interchange for Mercury MerCruiser 27 18272 and 27 97863, Sierra 18 0881 1, GLM 32470, Osco 8561 G, and Mallory 9 61412.