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The Goodman B9102097 Liquid Line Cap with O-Ring is a genuine OEM sealing fitting engineered for WAHME3137P4AEA air handlers and compatible Goodman/Amana equipment. It caps and seals the liquid line service port, preventing refrigerant loss and keeping moisture and contaminants out of the sealed system. The factory-matched O-ring ensures a leak-tight connection rated for standard R-410A operating pressures.
This is a genuine OEM Goodman fitting, machined to exact factory thread and sealing tolerances. Generic caps may use mismatched O-ring durometers or thread pitches that weep refrigerant over time. Choosing OEM protects your warranty and guarantees a proper, lasting seal.
Easy (1/5). Hand-tighten onto the line fitting and snug with a wrench. Always recover refrigerant and follow EPA Section 608 guidelines before opening any sealed line. Professional installation recommended for refrigerant-side work.