Product Overview
Jabsco Service Kit f/50890 Series Pump is a Jabsco product intended for marine plumbing, pumping, sanitation and fluid handling. It is built for boat owners and installers who need a product-specific solution for moving water or other compatible fluids through an onboard system.
Service Kit for 50890 Series Pump The Jabsco SK890 Waste Pump Service Kit is engineered for rebuilding the Jabsco 50890 Single Diaphragm Design. Kit Includes: (1) Cover #7 (1) Diaphragm #8 (4) Hex Head Screws #10 (1) Recessed Pan Head Screw #12 (1) Washer #14 (2) Pump Joker Valves #16 (2) Pump Ports #17
Important Notices
WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information, visit P65Warnings.ca.gov.
Fit & Selection Guidance
Use manufacturer part number SK890 to verify the exact item. Confirm dimensions, voltage, capacity, material, mounting pattern, connection type and model compatibility where applicable. Replacement parts should be matched to the exact parent equipment or system whenever the manufacturer specifies one.
For installation-sensitive products, follow the manufacturer’s current instructions and the applicable marine electrical, plumbing, structural or safety requirements for your boat.














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