Dayco Timing Belt Kit KTB494E Small-Engine as well as many other

as well as many other manufacturer specifications

Dayco® No Slack™ Idler/Tensioner Pulleys are designed to replace worn serpentine and v-belt drive idler and tensioner pulleys

DMH4130 (x1)

They are electronic devices used to indicate how much material is left before disc pad replacement is required

Dayco Timing Belt Kit KTB494E Small-Engine as well as many otherWhy replace the timing belt alone? Worn or wearing tensioners, pulleys and idlers can cause a new timing belt to fail in a very short time. A timing belt failure can result in costly engine damage. Dayco timing belts, when replaced in conjunction with the tensioner, idler pulley and oil seals, restore the optimum operating conditions for the timing drive system. All Dayco timing kit components meet or exceed OEM specifications.