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Johnson Outboard Internal Engine Parts

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Parts Selection Guide

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      • Sierra 18-2945-9 Drain Screw Gasket (2Pk) Replaces 12-191833
        List Price: $2.07
        Starting At: $1.58

        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...

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      • Sierra 18-4248 Drain/Fill Plug Washer Replaces 0311598
        List Price: $0.93
        Starting At: $0.71

        Sierra 18-4248 Drain/Fill Plug Washer for Johnson, Evinrude, OMC Sierra high-quality engine parts are designed to meet OEM specifications. Plastic plug used with Drain Screw 18-2387. Interchangeable with: Johnson/Evinrude...

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      • Sierra 18-2956 Head Gasket Replaces 0318358
        List Price: $17.89
        Starting At: $12.53

        Head Gasket for Johnson & Evinrude Use for Engine Models: 65 Jet (1991-95) 2 head gaskets required per engine 75hp (1960-65), 80 Jet (1991-96) 2 head gaskets required per engine 85hp (1979-801,91-95) 2 head gaskets required per engine 88hp...

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      • Sierra 18-4253-9 Drain Screw O-Ring (5Pk) Replaces 0336982
        List Price: $2.19
        Now: $1.66

        Drain Screw O-Ring (5 pk) for Johnson, Evinrude, OMC Used with Drain Screw 18-1236 and is a special order - est. 10 Days. Replaces: OMC - 336982 Mallory 9-76653 GLM 45290  

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      • Sierra 18-2964 Head Gasket Replaces 0766779
        List Price: $32.34
        Starting At: $22.64

        Sierra 18-2964 Head Gasket for Johnson & Evinrude Use on Engine Models: 150hp (1973-91). 2 head gaskets required per engine,  155hp Comm. (1984-92), 2 head gaskets required per engine,  2500CC (1988), 2 head gaskets required per...

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      • Sierra 18-2961 Head Gasket Replaces 0329103
        List Price: $16.75
        Starting At: $11.73

        Head Gasket for Johnson & Evinrude   Use for Engine Models: 5hp (1984-85), 5.5hp (1959-64), 6hp (1965-79) Replaces:  OMC-0329103, GLM-33830, Redline-RL2961

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      • Sierra 18-4075 Rod Bolt Replaces 0308186
        List Price: $5.15
        Now: $3.60

        Sierra 18-4075 Rod Bolt Sierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierra's unmatched manufacturer's warranty. For use on Johnson/Evinrude Outboards and OMC Stern Drives. Interchangeable...

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      • Sierra 18-2963 Head Gasket
        List Price: $13.47
        Starting At: $9.43

        Sierra 18-2963 Head Gasket  For use on Johnson/Evinrude Outboard Engines, Models 9.9hp (1974-92), 10hp Comm. (1989-90), 14hp (1988-90),15hp (1974-92) Interchangeable with: GLM 34140 Johnson/Evinrude...

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      • Sierra 18-0985 Air Silencer Gasket
        List Price: $7.11
        Now: $5.40

        Sierra 18-0985 Air Silencer Gasket  For use on V-4 Johnson/Evinrude Engines Interchangeable with: GLM 33630 Johnson/Evinrude Outboard 321722 Mallory 9-60417

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      • Sierra 18-0989 Air Silencer Gasket Replaces 0321794
        List Price: $8.71
        Starting At: $7.06

        Sierra 18-0989 Johnson/Evinrude Air Silencer Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For Johnson and Evinrude 3 Cyl. engines. Interchangeable with: GLM 34430 Johnson/Evinrude...

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      • Sierra 18-3841-2 Head Gasket Replaces 0203130
        List Price: $6.92
        Now: $4.84

        Sierra 18-3841-2 Johnson/Evinrude Head Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For use on Johnson/Evinrude Outboards. Interchangeable with: GLM 34010 Johnson/Evinrude Outboard 203130

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      • Sierra 18-3802 Head Gasket
        List Price: $29.40
        Now: $20.58

        Head Gasket for Johnson & Evinrude Use on Engine Models:  35hp (1987) D Suffix Models Only, 40hp (1984-97), 40 Comm. (1994-97), 45 Comm. (1985-97), 45SS (1987-90), 48hp (1987-97), 50hp (1979-80)(1981-97), 55hp (1977-79)(1980-97)(1995), 60hp (1980-85)...

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      • Sierra 18-4304-1 Powerhead Gasket Set Replaces 0391988
        List Price: $141.38
        Now: $107.45

        Powerhead Gasket Set for Johnson & Evinrude Applications: 150 1973-91 155 Comm. 1984-92 2500CC 1988 175 1977-83 185 1984-85 200 1976-83   Kit Includes: 18-2549 Exhaust Plate Gasket 18-2876 By-Pass Cover Gasket 18-2544 Water Jacket Cover...

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      • Sierra 18-2960 Head Gasket Replaces 0313413
        List Price: $27.49
        Starting At: $19.25

        Sierra 18-2960 Head Gasket for Johnson & Evinrude Outboards Sierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierra's unmatched manufacturer's warranty. Use for Engine Models: 55hp (1968-69),  60hp...

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      • Sierra 18-1378 Rod Bearing Replaces 0437088
        List Price: $31.48
        Now: $22.03

        Sierra 18-1378 Johnson/Evinrude Rod Bearing Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 22830 Johnson/Evinrude Outboard 437088 388344

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      • Sierra 18-29451-9 Drain Screw Gasket (50Pk)
        List Price: $49.42
        Starting At: $37.56

        Drain Screws Gaskets for Mercruiser, Mercury, OMC (50 pk) Replaces: GLM - 21170 Mallory - 9-60101 Merc - 12-19183-3 Redline - RL2945  

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      • Sierra 18-4110 Piston Kit
        List Price: $121.46
        Now: $85.02

        Sierra 18-4110 Johnson/Evinrude Piston Kit Sierra high-quality engine parts are designed to meet OEM specifications. For use on Johnson/Evinrude Outboard. Bore Size: 3.520 Interchangeable with: GLM 24020 Johnson/Evinrude...

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