Estimates last updated October 16, 2025

2021 Chevrolet Blazer Timing Chain Tensioner Replacement Cost

The average cost for a 2021 Chevrolet Blazer Timing Chain Tensioner Replacement is between $2,724 and $3,750.

• Labor costs are estimated between $2,196 and $3,222 while parts are typically priced around $528.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.