Sherwood M71 Raw Water Pump with Cummins 3967612 Gear for Cummins 4B/6B - Used

Application: Sherwood M71 gear-driven bronze raw water pump for Cummins B-series marine diesels (4B, 4BT, 4BTA, 6B, 6BT, 6BTA 3.9L/5.9L). Includes Cummins drive gear stamped 3967612. Related Cummins part numbers: 3907458, 3912019. Condition: Used take-off. Bronze body with normal patina and light oxidation; gear intact with light wear. Not tested; recommend impeller/seal service prior to installation. 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.