Quick view Add to Cart Sierra 18-4429 Powerhead Gasket Set $148.49 $131.99 Sierra 18-4429 Powerhead Gasket Set Sierra replacement powerhead gasket set for Johnson/Evinrude Outboards. Fits: 200 Ficht FFI (1999-01), 225 (2000-04), 250 (2000-04), 3.3L (2000-04) Add to Cart