ITT Jabsco Impeller 18777-0001P

Will retrofit crank driven pumps on Volvo®, Indmar & Marine Power engines & others utilizing the Chevrolet® & Ford® small & big block engines whether stock pump is Jabsco® model 22740-series, or Johnson® pump type F5B-9 or F6B-9. If replacing the Jabsco® pump 22740-Series (equipped w/aluminum bearing housing) with the 22110-Series (equipped w/cast iron bearing housing), it is necessary to replace the three 2-3/4'' long socket head cap screws (studs in early model Volvo® engines) that secure pump to the vibration dampener with 3/8-24 x 3/4'' long cap head screws. REPLACES: Volvo® pump #856513 on big block & Johnson® F6B-9.

MFG# 18777-0001P 187770001P UPC# 671880574860