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The genuine Goodman 0163M00049 Hose Clamp is a factory-original fastener used to secure condensate and drain hoses on the Amana/Goodman AMVM970803BNAA furnace. Though small, a properly sized clamp is essential to a leak-free drain system — a slipped or corroded clamp allows acidic condensate to weep onto the burner assembly and control board, causing corrosion and intermittent faults.
OEM vs. Generic: This clamp is sized to the exact hose diameter used in your furnace. A generic hardware-store clamp may over- or under-tighten, pinching the hose or leaving a gap. The OEM part guarantees the correct clamping force and diameter for a secure, factory-quality seal.
Install Difficulty: Very Easy (⭐☆☆☆☆). Slide over the hose, position at the fitting, and tighten. No tools beyond a screwdriver or nut driver required. A quick, inexpensive part to keep on hand during any drain-system service.