Estimates last updated October 16, 2025

2008 Mercury Mariner Timing Chain Tensioner Replacement Cost

The average cost for a 2008 Mercury Mariner Timing Chain Tensioner Replacement is between $1,219 and $1,681.

• Labor costs are estimated between $988 and $1,450 while parts are typically priced around $231.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
• For a more accurate estimate based on your location, use our Fair Price Estimator below.