What are the specs for this Furnace Fitting?

The correct replacement for Goodman model AMEC960803BNAD 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 AMEC960803BNAD Furnace — A1781105.

What symptoms indicate I need a new furnace fitting?

Common symptoms that indicate you need a new furnace 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 furnace 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 Plug for AMEC960803BNAD Furnace — A1781105

Name: OEM Goodman Vinyl Cap Plug for AMEC960803BNAD Furnace — A1781105
Brand: Goodman
SKU: GOODMAN-4235
Price: 6.95 USD
Availability: InStock

SKU: GOODMAN-4235 Brand: Goodman

$6.95 $8.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

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Texas CMBL #19328542014

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Govt POs Accepted

The Goodman A1781105 is a genuine OEM 1-piece vinyl cap/plug used on the AMEC960803BNAD 96% AFUE gas furnace and other compatible Goodman/Amana equipment. This small protective fitting seals unused knockouts and openings in the cabinet or gas train, keeping debris, pests, and drafts out of the appliance while maintaining a clean, factory-finished appearance.

Specifications

OEM Part Number: A1781105
Type: 1-piece vinyl cap / plug
Material: flexible molded vinyl
Compatibility: AMEC960803BNAD and related Goodman/Amana furnaces
Function: knockout/opening closure fitting

OEM vs. Generic

The genuine OEM A1781105 is molded to the exact diameter and depth of the factory opening for a snug, permanent seal. Universal rubber grommets or caps often fit loosely or degrade faster, allowing air leakage. Choosing OEM guarantees a correct fit the first time.

Install Difficulty

Easy (1/5). Press-fit installation by hand — no tools required. Ensure the surrounding surface is clean before seating the cap.

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 Plug for A...

$6.95

Frequently Asked Questions

Does this Furnace Fitting fit my Goodman AMEC960803BNAD Furnace — A1781105?

Yes. This is the factory-specified OEM furnace fitting for the Goodman AMEC960803BNAD 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 furnace fitting on my Goodman AMEC960803BNAD 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 furnace fitting?

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

Is this furnace 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 furnace 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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