Sherwood Pump 11805-SHW Sea Strainer Replacement O-Ring Gasket for 1/2" & 3/4" Raw Water Strainers

The Sherwood 11805-SHW is a replacement Buna-N (Nitrile) square-cut O-ring gasket designed for Sherwood raw water sea strainers. This essential maintenance part creates a reliable watertight seal between the strainer head and the bowl, keeping your marine raw water system leak-free and operating at peak efficiency.

Key Features:

• Material: Buna-N (Nitrile) rubber — resistant to saltwater, fuels, oils, and common marine chemicals
• Square-cut design for a precise, dependable fit
• Fits 1/2" and 3/4" NPT Sherwood raw water sea strainers
• Compatible with Sherwood strainer models SH15935CP, SH18004CP, and SH18001CP
• Also cross-compatible with Hypro and Shurflo 1/2" and 3/4" water strainers
• Requires periodic replacement as part of routine marine maintenance

Regular inspection and timely replacement of this O-ring gasket helps prevent water intrusion, pressure loss, and costly damage to engine cooling, washdown, genset, or saltwater galley pump systems. This is a genuine Sherwood replacement part — MFG# 11805-SHW.