1.Fit to Volvo
2.Size:OD 1-13/16"
           OD< 1-1/2"
           ID 13/16"
           LG 2-5/16"
           Hole ID 3/4"
           Hardness 80A
3.Replacement:Atro MS99-63399
                         Automann M23311 / M23311UB / M23311E / M23311EUB
                         Gaff 11611
                         Freightliner FUL K3399
                         Eaton / fuller K-3399 / K3399 / 21244 / 23311
                         Mack 3088-K3399
                         Navistar FULK3399 / ZBF3399
                         Peterbilt K3399
                         S & S S-D754
                         Sterling FUL K3399
                         Volvo FULK3399