The federal producer price index for new alternators, generators and regulators rose 20.1% from December 2019 to August 2026, while the consumer price index for motor vehicle repair, labor and parts together, rose 55.2% (BLS, national).
What it shows: Motor vehicle repair, labor and parts together is the largest at +55.2%, followed by New alternators, generators and regulators at +20.1%; the smallest shown is All motor vehicle parts at +17.4%.
Data and chart by CalcScrape: Alternator Replacement Cost Calculator