Impeller Minor Service Kit | Jabsco 90092-0004 Impeller service kit for early design Jabsco 17800-1000 series oil changer with small pump and impeller. Impeller kit includes impeller, cover gasket and shaft seal Fits early design 17800-1000 series oil changer with small impeller built up to approximately 2002 Refer to part number 90061-0053 for later design 17800-2000 oil changer with large impeller