Oregon 49-040-0 Oil Seal Replacement for Briggs & Stratton 299819, 299819S, 89660, 393862 7/8" ID x 1-1/4" OD x 3/16" thick For 3, 3.5, 4 and 5 HP engines Flywheel side Replaces Briggs # 299819, 299819S, 89660, 393862