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The Goodman 0154A00000BL Drain Pan Gasket is the genuine OEM seal for the condensate drain pan in WAHMS3636P4ACA air handlers and compatible Goodman/Amana units. A hardened or missing gasket lets condensate seep past the pan, causing water stains, rust, and potential damage to ceilings or equipment below. This inexpensive part is the correct fix when you find moisture around the pan flange.
The OEM gasket is die-cut to the exact pan geometry, so it seats fully without trimming and compresses evenly to seal. Generic foam or bulk gasket stock often leaves gaps at corners and degrades faster in a constant-condensation environment. At this price, the genuine part is the obvious choice.
Easy (1/5). Peel the old gasket, clean the flange, and press the new gasket into place. Typically 10–15 minutes with no special tools. Disconnect power and clear any standing water before starting.