Estimates last updated January 28, 2026

Mercury Mountaineer Timing Chain Tensioner Replacement Cost

The average cost for a Mercury Mountaineer Timing Chain Tensioner Replacement is between $481 and $561.

• Labor costs are estimated between $171 and $251 while parts are typically priced around $310.
• 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.