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The Moroso Square O‑Ring listed as a replacement for part numbers 23770, 23780, 23840, and 23890 serves as a direct-fit sealing part for those specific assemblies. It restores the original square-section seal in parts that require those exact references. When replacing worn or damaged seals, use the matching replacement number to ensure correct fitment and reliable sealing at the service location.
Moroso Square O-Ring (Replacement for Part No 23770/23780/23840/23890)
