Jabsco Service Kit f/18590 Series Macerator Pumps

The Jabsco Service Kit for 18590 Series Macerator Pumps is an essential maintenance component designed to restore and maintain the performance of older Jabsco macerator pump units equipped with brass studs, washers, and acorn nuts. This service kit addresses the wear and corrosion that naturally occurs in marine sanitation systems, particularly in salt-water and high-use operational environments where pump longevity is critical.

Built to original Jabsco specifications, this kit restores factory-standard fastening integrity to the 18590 series pump assembly. The kit is engineered for older pump configurations that utilize traditional brass hardware rather than stainless steel components. For users upgrading to stainless steel fasteners (recommended for extended service life in corrosive marine environments), the separate Stainless Steel Bolt Kit (part 17288-1000, SKU 56848) is available and must be purchased independently. Routine service kit replacement extends pump operational life and prevents catastrophic failure during critical sanitation system operations.

Operators maintaining marine vessels, RVs, offshore platforms, and other installations with macerator-based waste systems depend on preventive maintenance to avoid downtime and environmental compliance issues. This service kit is essential for facility managers, marine technicians, and vessel owners who operate legacy Jabsco pump equipment. Compact and easy to install, the kit addresses the fastener replacement needs outlined in Jabsco maintenance protocols.

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.