Marine Diesel Engine Thermostat - Sleeve Style - Used

Application: Sleeve-style thermostat for marine/industrial diesel engines (Cummins B-series, CAT, and similar cooling systems). Condition: Used take-off with light oxidation and scale on the valve/pellet; wax motor and spring appear intact. Sold untested. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.