Rotary 8789 Oil Seal Oil Seal for Briggs & Stratton Engines with Extended Plastic Dipstick. Replaces: Briggs & Stratton 281370, 281370A, 281370S, 68838, 805259 For Most 7 & 11 Gross HP Horizontal, 12 & 13 Gross HP (28 CID) Vertical & Vanguard V-Twin 110000 Horizontal Briggs & Stratton Engines