Are the parts for this repair getting more expensive, or only the labor?

The federal producer price index for new spark plugs and other complete engine electrical equipment rose 33.5% from December 2019 to August 2026, while the consumer price index for motor vehicle repair, labor and parts together, rose 55.2% (BLS, national).

New spark plugs and other complete engine electrical equipment+33.5%

New electrical and electronic engine equipment parts+57.0%

All motor vehicle parts+17.4%

Motor vehicle repair, labor and parts together+55.2%

What it shows: New electrical and electronic engine equipment parts is the largest at +57.0%; the smallest shown is All motor vehicle parts at +17.4%.

Source: BLS Producer Price Index, commodity data for motor vehicle parts (series WPU1412051426); BLS Consumer Price Index item SETD for the repair row · file downloaded August 2026