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The genuine Goodman 0154A00000BL Drain Pan Gasket is a factory replacement seal engineered for the WAHME3137P4AEA air handler and compatible Goodman/Amana models. This gasket forms the watertight seal between the condensate drain pan and the cabinet, stopping nuisance leaks that can damage drywall, flooring, and the unit itself.
The OEM 0154A00000BL is cut to the exact pan profile and uses Goodman's specified closed-cell material for a guaranteed leak-free seal. Generic aftermarket gaskets often vary in thickness and density, which can compress unevenly and re-introduce leaks. For a part this critical to water management, the OEM gasket is the safe choice.
Easy (1/5) — Power down the unit, remove the old gasket, clean the mating surface, and seat the new gasket. No special tools required. Typical replacement takes under 15 minutes.
Pairing this gasket with a fresh drain pan and clean condensate line restores proper drainage and protects your installation from costly water damage.