IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman A1781105 is a genuine OEM 1-piece vinyl cap used to seal and protect unused ports, tubing ends, and fitting connections on the AMVC960603BNBA modulating variable-speed gas furnace. This small but essential component keeps debris, dust, and moisture out of open ports during service and normal operation, helping preserve system integrity and preventing air leaks that can affect combustion and pressure sensing.
This is a true OEM Goodman replacement, molded to the exact diameter and wall thickness of the factory part. Generic caps often fit loosely or degrade under heat cycling, allowing them to slip off. The OEM A1781105 maintains a secure, heat-stable seal for the life of the furnace, ensuring reliable protection where a generic universal cap may fail.
Easy — DIY friendly. No tools required. Simply press the cap firmly over the target port or fitting until fully seated. Always shut off electrical and gas supply before servicing your furnace, and confirm the cap is fully seated before restoring power.
Order the genuine Goodman A1781105 to keep your AMVC960603BNBA furnace properly sealed and running as the manufacturer intended.