Quick view Add to Cart Sierra 18-2945-9 Drain Screw Gasket (2Pk) Replaces 12-191833 $2.99 $1.99 Sierra 18-2945-9 Drain Screw Gasket (2 pack) This Sierra 18-2945 Drain Screw Gasket is used with 3/8-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/Bs. This gasket is used in most lower units and sea water pumps. Sold as a 2... Add to Cart
Quick view Add to Cart Sierra 18-4388MerCruiser Intake Manifold Gasket Set $473.99 $331.99 MerCruiser Intake Manifold Gasket Set by Sierra 18-4388 For GM 262 CID Engines - 175, 185 & 205 HP, 4.3L Kit Includes: 18-3879 Head Gasket Intake Manifold Gasket Set 18-4408 Oil Pan Gasket 18-0405 Valve Cover... Add to Cart