Vault Hub Seal- 2.56" OD wakesurf If your current unit is

If your current unit is restricted

Installation tip: Confirm routing and belt length against your engine’s belt diagram and inspect pulleys and tensioner condition before installation to ensure proper tension and long belt life

apply a small amount—but don’t get any on the tip of the sensor

No—this is a smooth idler pulley intended for the backside of the belt

Vault Hub Seal- 2.56" OD wakesurf If your current unit isSeal for Dexter Axles with UFP Spindle Assembly. used on 2900# through 4200# hubs. Industry standard PN: 256 168 SP2 1 Cross reference with: NOK Seal PN: AD2528EO Comes in bearing kit 65 2120 and 65 2130.