20mm x 1.5, , Honda, 15400-PFB-014, 15400-PFB-007, 15400-ZW4-003, , Mercury/Mariner, 35-8226261, 35-822626A2, 35-822626K04, 35-822626Q04, 35-822626Q05, 35-822626Q2, 35-822626T2, 35-877768K01, 35-8M0008397, 35-8M0065103, 35-8M0065104, 35-8M0162829, , Nissan/Tohatsu, 3R0-07615-0, 3R0076150M, , Yamaha, 3FV-13440-00-00, 5GH-13440-00-00, 5GH-13440-10-00, 5GH-13440-30-00, 5GH-13440-70-00, 5GH-13440-71-00, , EMP: 35-57804, Mallory: 9-57804, Sierra: 18-7911-1 18-7914