Detroit Diesel Air Shutdown / Intake Housing with Butterfly Flaps - Used

Application: Cast-aluminum air shutdown / intake housing with dual internal butterfly flaps, consistent with Detroit Diesel 71-Series (6-71 / 8V-71) emergency air shutdown assemblies. No OEM tag or casting number legible; identification is by appearance only and the specific engine application is not verified.

Condition: Used, untested running take-off. Flaps and shaft present; painted yellow over aluminum with typical service wear and light oil residue. Sold as photographed.

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.