Parts for Craftsman 91760017: Diaphragm Parts

This fan housing is the replacement duct housing designed for 3-inch ventilation on compatible Broan range hood and exhaust fan assemblies, restoring proper airflow routing and enclosure for the blower motor. Easy way to replace damaged or corroded housings. What it does:

• Provides the enclosure that directs exhaust airflow from the blower to the duct.
• Replaces cracked, bent, or corroded housings that can cause air leakage or reduced venting.
• Helps reduce vibration-related noise by restoring proper blower alignment.
• Works with the blower assembly to maintain safe exhaust routing.

• Turn off power to the appliance at the breaker before starting any work.
• Basic hand tools required; handle edges carefully to avoid cuts.
• Ensure proper orientation and seal to the blower and duct for effective airflow.
• Verify blower mounting hardware and gaskets are intact; replace if damaged.