This Gates DriveAlign 38278 Drive Belt Tensioner Assembly replaces Four Seasons 45712, Dayco 305321, Dayco 89321, Dayco 89321FN, Dorman - TECHoice 419-005, Honda 31170PNA003, Honda 31170PNA013, Honda 31170RAAA01, Honda 31170RAAA02, Tendeco 999661, Goodyear 49341, Dorman 419-005, Litens 999661A, Contitech Products ADK0026P, Contitech Products ADK0044P, INA US FT40261, OEM parts and is perfect for replacement or a performance upgrade. .
