Oil Seal item no:45099 for MACK TRUCK Used in Mack 34,000 pound drive axles Fits the rear wheels on many Mack Trucks Ref. No. : 45099 Cross References: CR 45099, National 370022A, Triseal 69796 and the Stemco 309-0903. Application : MACKGuarantee : 2 years Bore(mm): 146.2Outside Diameter:(mm)114.3Width:(mm) 25.8Const: SCOT1Lip: R Mack Truck Oil Seal #45099 Mack Truck Oil Seal #45099