What are the specs for this Fitting?

The correct replacement for Goodman model AMEC961205DNAC Furnace — 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 AMEC961205DNAC Furnace — 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 for AMEC961205DNAC Furnace — A1781105

Name: OEM Goodman Vinyl Cap for AMEC961205DNAC Furnace — A1781105
Brand: Goodman
SKU: GOODMAN-4371
Price: 1.95 USD
Availability: InStock

SKU: GOODMAN-4371 Brand: Goodman

$1.95 $2.59

OEM Guaranteed

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30-Day Returns

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Texas CMBL #19328542014

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The Goodman A1781105 is a genuine OEM 1-piece vinyl cap used on the AMEC961205DNAC gas furnace. This small protective cap plugs an unused port, seals an access hole, or covers a fitting to keep debris, air, and moisture out of the cabinet. Though inexpensive, a missing or brittle cap can allow air infiltration that affects combustion-air balance or lets dust into sensitive controls.

Specifications

Part number: A1781105
Component type: 1-piece vinyl cap / plug
Equipment: Gas furnace
Compatible model: AMEC961205DNAC (Amana/Goodman 96% AFUE)
Material: Flexible vinyl
Fit: Direct OEM replacement

OEM vs. Generic

OEM caps are molded to the exact port diameter used on the AMEC961205DNAC, so they snap in and seal without slipping. Hardware-store universal caps are often loose or the wrong durometer, leading to rattles or air leaks. At this price point the OEM part is the obvious choice.

Installation Difficulty

Very easy (1/5). No tools required — press the cap firmly onto the port until fully seated. A 1-minute job. Power to the furnace should be off if the cap is near live components.

Genuine Goodman/Amana part. Verify your furnace model reads AMEC961205DNAC before ordering.

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 for AMEC96...

$1.95

Frequently Asked Questions

Does this Fitting fit my Goodman AMEC961205DNAC Furnace — A1781105?

Yes. This is the factory-specified OEM fitting for the Goodman AMEC961205DNAC Furnace — 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 AMEC961205DNAC Furnace — 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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