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Yamaha Outboard Internal Engine Parts

7428
guidebook

Parts Selection Guide

Find the parts you need

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Prop Selection Guide

Find the right prop for your boat

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      • Sierra 18-0905 Oil Pan Drain Plug Gasket Replaces 27-49955
        List Price: $2.99
        Starting At: $1.99

        Sierra 18-0905 Oil Pan Drain Plug Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser and Chrysler/Force/US Marine engines. Interchangeable with: Chrysler/Force/US...

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      • Sierra 18-3894 Head Gasket
        List Price: $39.99
        Starting At: $30.49

        Sierra 18-3894 Yamaha Head Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Mallory 9-63951 Yamaha...

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      • Sierra 18-3978 Piston Rings
        List Price: $9.49
        Starting At: $8.99

        Sierra 18-3978 Mercury Piston Rings Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Mercury Marine 39-15322M

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      • Sierra 18-99060 G Gasket Head
        List Price: $53.49
        Starting At: $37.49

        Head Gasket Set 40-75HP   HP Year Head Gasket Letter 40 1984-1988 18-3830 H 40 1989-1991 18-3830 H 40 1992-1994 18-3830 H 40 1995-2005 18-99060 I C40 2 CYL 1991 18-3892 J C40 2 CYL 1992-1993 18-3892 J C40 2 CYL 1994-1997 18-3892 J...

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      • Sierra 18-4141 Piston Kit
        List Price: $117.99
        Starting At: $82.49

        Sierra 18-4141 Piston Kit Sierra high-quality replacement Standard Size Piston Kit for Yamaha Outboards. Includes 18-3960 Piston Rings Interchangeable with: Mallory 9-53810 Wiseco 3030PS 3130PS Yamaha...

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      • Sierra 18-99094 G Gasket Head
        List Price: $147.99
        Starting At: $103.99

        Head Gasket Set 40-75HP   HP Year Head Gasket Letter 40 1984-1988 18-3830 H 40 1989-1991 18-3830 H 40 1992-1994 18-3830 H 40 1995-2005 18-99060 I C40 2 CYL 1991 18-3892 J C40 2 CYL 1992-1993 18-3892 J C40 2 CYL 1994-1997 18-3892 J...

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      • Sierra 18-99175 Powerhead Gasket Kit
        List Price: $24.49
        Starting At: $16.99

        Powerhead Gasket Set 6-30HP   HP Year Powerhead Gasket Set Letter 6 1988-1996 18-99117 A 8 1984-1996 18-99117 A 9.9 1984-1987 - - 9.9 1988-1991 - - 9.9 1992-1993 - - 9.9 1994-1995 - - 9.9 1996 18-99175 B 9.9 1997-2000 18-99175...

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      • Sierra 18-4142 Piston Kit
        List Price: $29.49
        Starting At: $20.99

        Sierra 18-4142 Yamaha Piston Kit Sierra high-quality engine parts are designed to meet OEM specifications. For use on Yamaha Outboard engines. Includes: 18-3961 Piston Rings Interchangeable...

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      • Sierra 18-99097 G Gasket Set
        List Price: $63.99
        Starting At: $44.99

        Powerhead Gasket Set 6-30HP   HP Year Powerhead Gasket Set Letter 6 1988-1996 18-99117 A 8 1984-1996 18-99117 A 9.9 1984-1987 - - 9.9 1988-1991 - - 9.9 1992-1993 - - 9.9 1994-1995 - - 9.9 1996 18-99175 B 9.9 1997-2000 18-99175...

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      • Sierra 18-99176 Powerhead Gasket Kit
        List Price: $240.57
        Starting At: $168.40

        Powerhead Gasket Set 40-75HP   HP Year Powerhead Gasket Set Letter 40 1984-1988 18-4407 I 40 1989-1991 18-4419 J 40 1992-1994 18-4409 K 40 1995-2005 18-99061 L C40 2 CYL 1991 - - C40 2 CYL 1992-1993 18-4413 M C40 2 CYL 1994-1997...

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      • Sierra 18-0744 Outer Exhaust Cover Gasket
        List Price: $4.49
        Starting At: $3.49

        Sierra 18-0744 Outer Exhaust Cover Gasket Sierra replacement outer exhaust cover gasket for Yamaha Outboards. Sierra aftermarket engine parts are designed to meet or exceed OEM requirements. Interchangeable with: Yamaha...

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      • Sierra 18-15132 Timing Belt - Replaces 6P2-46241-00-00
        List Price: $265.49
        Starting At: $185.99

        Sierra 18-15132 Yamaha Timing Belt - Replaces 6P2-46241-00-00 Sierra replacement timing belt for Yamaha Outboards. Fits F200 (2001-2017), LF200 (2011-2017), F225 (2007-2017), F250 (2005-2017), LF250 (2005-2017) Meets or Exceeds OEM Belt...

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      Yamaha Outboard Gaskets and Seals