Estimates last updated October 16, 2025

2003 INFINITI M45 Throttle Body Replacement Cost

The average cost for a 2003 INFINITI M45 Throttle Body Replacement is between $1,604 and $1,633.

• Labor costs are estimated between $61 and $90 while parts are typically priced around $1,543.
• 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.