Sierra 18-2671 OMC Cobra Lower Unit Seal KitSierra high-quality engine parts are designed to meet OEM specifications. For Use On All 4 Cyl Cobras(1986-89).Kit Includes: (2) 18-0166 Grommet; (1) 18-0190 Wiper Gasket; (1) 18-0880 Shift Cover Gasket; (2) 18-2001 Oil Seal; (2) 18-4248 Drain/Fill Plug Washer; (1) 18-7127 O-Ring; (1) 18-7130 O-Ring; (1) 18-7137 O-Ring; (3) 18-7138 O-Ring; (2) 18-7145 O-Ring; (5) 18-7475 O-Ring; Interchangeable with: GLM; 87655; Mallory; 9-74401; OMC Stern Drive; 985612; 984457;