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Add to CartSierra replacement plenum gasket kit for Yamaha and Mercury Outboards.
Fits: Mercury 75 4-Stroke (2000-2003) and 90 4-Stroke (2000 & Up)
Fits: Yamaha F75 (2003-04), F80 (1999-03), F90 (2003-04), F100 (1999-02)
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-0403 Intake Gasket Kit - Special Order est. 10 Days Interchangeable with: Mallory 9-61217 Mercruiser Stern Drive 27-52571 27-61782 27-805722A1 27-812712
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Sierra 18-0404 Intake Gasket Kit Sierra replacement intake gasket kit for use on Mercruiser engines: MCM/MIE 454 Mag MPI, 502 Mag MPI, 7.4L/LX MPI & 8.2L MPI (1993 & newer). Interchangeable...
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Sierra 18-2499 Water Pump Gasket Sierra replacement water pump gasket for use on Honda Outboard Engines. Fits: BF200, BF225 Interchangeable with: Honda Outboard 19234-ZY3-000
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