Estimates last updated October 16, 2025

Mercury Mariner Engine Front Cover Gasket Replacement Cost

The average cost for a Mercury Mariner Engine Front Cover Gasket Replacement is between $1,104 and $1,538.

• Labor costs are estimated between $927 and $1,360 while parts are typically priced around $177.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.