What are the specs for this Fitting?

The correct replacement for Goodman model AMEC960603BNAC 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 AMEC960603BNAC 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 Kit (1-Piece) for AMEC960603BNAC Furnace — A1781105

Name: OEM Goodman Vinyl Cap Kit (1-Piece) for AMEC960603BNAC Furnace — A1781105
Brand: Goodman
SKU: GOODMAN-4170
Price: 6.95 USD
Availability: InStock

SKU: GOODMAN-4170 Brand: Goodman

$6.95 $8.95

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Goodman A1781105 Vinyl Cap

The Goodman A1781105 is a genuine OEM 1-piece vinyl cap engineered as a direct-fit replacement for the AMEC960603BNAC gas furnace and other compatible Goodman and Amana equipment. This small but essential fitting seals unused ports and openings on the furnace cabinet, protecting internal components from dust, debris, and air infiltration that can affect combustion efficiency.

Specifications

Part number: A1781105
Type: 1-piece vinyl cap / plug
Material: Molded flexible vinyl
Fits: Goodman/Amana AMEC960603BNAC and compatible furnaces
Application: Cabinet port and opening seal

OEM vs. Generic

The genuine OEM A1781105 is molded to the exact tolerances of the factory opening, ensuring a snug, vibration-resistant seal. Generic universal caps often loosen over time or fail to seat properly, allowing air leaks. Choosing the OEM part guarantees a proper fit the first time.

Installation Difficulty

Easy — no tools required. Simply press the cap into the designated port. Always disconnect power before servicing your furnace.

Backed by OEM quality and fast shipping. Fitment questions? Contact info@nationalhvacparts.com.

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 Kit (1-Pie...

$6.95

Frequently Asked Questions

Does this Fitting fit my Goodman AMEC960603BNAC Furnace — A1781105?

Yes. This is the factory-specified OEM fitting for the Goodman AMEC960603BNAC 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 AMEC960603BNAC 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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