Large End ID 3.19" (81mm) Large End Circ. 10.02" (255mm) Small End ID 1.06" (27mm) Small End Circ 3.33" (85mm) Length 3.74" HELP! - Carded Warranty Information Alternate/OEM Part Number(s): 04438-12171, 04438-12172, 04438-16040, 04438-16080, 39241-16R25, 39741-03P85, 39741-04F25, 39741-04F28, 4057 011, 4205 853, 44333-SB2-981, 44333-SD9-003, 44333-SF1-962, 5212 858