Sierra 18-4303-1 Powerhead Gasket Set
Replaces OEM part #
- OMC 391330
- OMC 389556
- OMC 439085
- (1) 18-0850 Fuel Pump Mtg Gasket - replaces O.E.#303615
- (4) 18-2876 By-Pass Cover Gasket - replaces O.E.#307133
- (2) 18-2866 Exhaust Cover Gasket - replaces O.E.#317914
- (1) 18-0953 Water Passage Gasket - replaces O.E.#317951
- (1) 18-0117 Exhaust Plate Gasket - replaces O.E.#317995
- (2) 18-2873 Gasket - replaces O.E.#318335
- (2) 18-2956 Head Gasket - replaces O.E.#318358
- (1) 18-2867 Manifold to Cankcase - replaces O.E.#319174
- (2) 18-2857 Air Silencer to Carb Gasket - replaces O.E.#386573, 319771
- (1) 18-0985 Air Silencer Gasket - replaces O.E.#321722
- (1) 18-2864 Adapter to Powerhead Gasket - replaces O.E.#321727
- (4) 18-0991 Leaf Plate Gasket - replaces O.E.#321907
- (1) 18-2547 Water Pass. Cover Gasket - replaces O.E.#322858
- (1) 18-0999 Inner Exhaust Gasket - replaces O.E.#323459
- (1) 18-0102 Exhaust Manifold Gasket - replaces O.E.#323469
- (1) 18-0134 Intake Plate Gasket - replaces O.E.#326926
- (2) 18-0977 Thermostat Gasket - replaces O.E.#332369
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