Mercuiser 807400A1 Big Block GM (Chevy) 7.4-Liter, Late Model Front Mount (Mounted over engine water circulating pump). 807400-A1 , 807400.
Sterndrive and Inboard Engine applications, standard copper unit, (Also available in Cupro-Nickel)
Made with pride by Lenco, in Long Island, NY. Call us with any questions.