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The Goodman 4053501S Chimney Collar is a genuine OEM flue-venting component engineered for the GMNT060-3 gas furnace and compatible Goodman/Amana platforms. This collar seals the transition between the furnace flue outlet and the vent pipe, ensuring combustion byproducts are safely routed to the chimney or vent stack. A properly seated collar prevents flue-gas leakage and maintains correct draft — both critical for safe, efficient furnace operation.
This is a factory-original Goodman part built to the exact tolerances of your furnace's flue collar. Aftermarket collars often vary in diameter and flange geometry, leading to gaps, poor draft, and potential flue-gas spillage. Choosing OEM guarantees a leak-free seal and preserves your equipment warranty.
Difficulty: Easy (30–45 min). Requires basic hand tools and sheet-metal screws. Always confirm the furnace is powered off and cool before servicing the venting system, and verify proper draft after reassembly. If you are uncomfortable working with combustion venting, consult a licensed HVAC technician.
Keep your Goodman GMNT060-3 running safely with a genuine 4053501S replacement collar.