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The Goodman 0271A00016S Blower Housing is the genuine OEM scroll assembly that surrounds and directs airflow from the blower wheel in GUPX100-5B upflow gas furnaces. If your furnace has developed a rattle, cracked housing, or air-delivery loss, this exact-fit replacement restores rated CFM and quiet operation without modifying your blower deck.
The OEM 0271A00016S is dimensionally matched to the factory blower wheel and motor cutoff plate, so the wheel clears the scroll and the cutoff seals correctly — critical for rated airflow and low noise. Generic universal housings often require re-drilling mount holes and can leave the wheel rubbing or under-shrouded, reducing CFM and static-pressure performance. For a furnace like the GUPX100-5B we recommend the OEM housing.
Difficulty: Moderate (3/5). Requires removing the blower assembly, transferring the wheel and motor, and re-seating the cutoff plate. Plan 45–75 minutes with basic hand tools. Always disconnect power at the furnace disconnect before servicing. If you are not comfortable removing the blower deck, use a licensed HVAC technician.
Compatible with Goodman GUPX100-5B. Verify your existing part number before ordering.