What are the specs for this Fitting?

The correct replacement for Goodman model AMVC960804CNAA — A1781105 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Goodman equipment which lists the model number AMVC960804CNAA — A1781105.

What symptoms indicate I need a new fitting?

Common symptoms that indicate you need a new fitting include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

Is this fitting compatible with Bryant or Payne systems too?

Many Goodman parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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Goodman

OEM Goodman Vinyl Cap (1-Piece) for AMVC960804CNAA — A1781105

Name: OEM Goodman Vinyl Cap (1-Piece) for AMVC960804CNAA — A1781105
Brand: Goodman
SKU: GOODMAN-9073
Price: 1.95 USD
Availability: InStock

SKU: GOODMAN-9073 Brand: Goodman

$1.95 $2.95

OEM Guaranteed

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Texas CMBL #19328542014

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Govt POs Accepted

The Goodman A1781105 1-Piece Vinyl Cap is a genuine OEM sealing cap used on the AMVC960804CNAA modulating furnace and many compatible Goodman/Amana units. These molded vinyl caps close off unused ports, protect exposed fittings and tube ends, and keep debris and moisture out of connection points during shipping, storage, and service.

Though inexpensive, a missing cap can allow air to bleed into a pressure-sensing line, let dust into a fitting, or leave a sharp tube end exposed. Keeping the correct caps in place preserves the furnace's factory-sealed design and helps avoid intermittent pressure-switch faults.

Specifications

Component: 1-piece molded vinyl protective/sealing cap
OEM Part Number: A1781105
Compatible Model: AMVC960804CNAA (and related Goodman/Amana equipment)
Flexible vinyl for a snug press-on fit
Resists heat and condensate exposure inside the cabinet

OEM vs. Generic

The OEM A1781105 is molded to the exact port and tube diameters Goodman uses, so it seats fully and stays put. Generic caps are often loose or oversized and can pop off during operation. For proper sealing, match the factory part.

Installation Difficulty

Very Easy — 1 of 5. Simply press the cap onto the port or tube end by hand — no tools required. Under a minute. Verify the cap is fully seated so it can't vibrate loose during furnace operation.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Goodman Vinyl Cap (1-Piece) ...

$1.95

Frequently Asked Questions

Does this Fitting fit my Goodman AMVC960804CNAA — A1781105?

Yes. This is the factory-specified OEM fitting for the Goodman AMVC960804CNAA — A1781105. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the fitting on my Goodman AMVC960804CNAA — A1781105?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new fitting?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this fitting compatible with Bryant or Payne too?

Many Goodman parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Goodman fitting?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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