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The Goodman 4053501S Chimney Collar is a genuine OEM flue vent component engineered for the GMPV125-5 gas furnace. This collar forms the sealed transition between the furnace draft hood and the vent pipe, ensuring proper flue gas evacuation and safe combustion venting. A corroded or damaged collar can cause flue leakage, backdrafting, and safety-switch trips — replacing it with the correct OEM part restores factory venting performance.
The OEM 4053501S is stamped to Goodman's exact flue diameter and mounting-hole pattern, so it seals on the first fit with no field modification. Generic universal collars often require trimming or extra sealant and may not match the draft-hood flange, risking flue leaks. For a venting component, we strongly recommend the OEM part.
Easy (1 of 5). Requires shutting off the furnace, removing the vent pipe, swapping the collar, and re-sealing. Basic hand tools only. If you are unsure about combustion venting, consult a licensed HVAC technician.