Estimates last updated October 16, 2025

1990 GMC S15 Engine Front Cover Gasket Replacement Cost

The average cost for a 1990 GMC S15 Engine Front Cover Gasket Replacement is between $949 and $1,331.

• Labor costs are estimated between $817 and $1,199 while parts are typically priced around $131.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.