OEM Equivalent: SEAL, GREASE 13/8″ OD AT TOP 1″ OD.;REPLACES OLD STYLE WITH 1 1/8″ID.;IF TOOL IS NEEDED TO STRECH TO FIT IS NEEDED ;SEE 8001646;;FITS APW/ WYOTT MODELS~;;HR-20, HR-31, HR-45, HR-50, HR-75, HR-85, HRDI-31, HRDI-50,;HRS-20, HRS-31, HRS-45, HRS-50, HRS-75, HRS-85, HRS20,;HRSDI-31, HRSDI-50