EPAuto GP159 (CA10159) Toyota Replacement Extra Guard Rigid Panel Engine Air Filter for Prius (2004-2009); Suggest Replace with Cabin Air Filter CP846 (CF9846A) Helps extend performance. Protect against dirt. Improve fuel millage, Recommended replacement every 12,000 miles Replacement for FRAM CA10159, Toyota Genuine part# 17801-21040 Compatible Auto List: Toyota: Prius (2004-2009) Suggest Replace with Cabin Air Filter CP846 (CF9846A)