What are the specs for this Fitting?

The correct replacement for Goodman model ACVC90905DXAB 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 ACVC90905DXAB 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 1-Piece Vinyl Cap for ACVC90905DXAB Furnace — A1781105

Name: OEM Goodman 1-Piece Vinyl Cap for ACVC90905DXAB Furnace — A1781105
Brand: Goodman
SKU: GOODMAN-2713
Price: 6.95 USD
Availability: InStock

SKU: GOODMAN-2713 Brand: Goodman

$6.95 $9.38

OEM Guaranteed

Same-Day Ship

30-Day Returns

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Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The genuine Goodman A1781105 1-Piece Vinyl Cap is a factory OEM protective cap used on the Goodman ACVC90905DXAB furnace to seal unused ports, line ends, and fitting stubs. These caps keep dust, insects, and moisture out of open connections during shipping, storage, and installation, and provide a clean finished appearance on capped-off fittings. A missing cap can let debris enter tubing or leave a sharp fitting exposed.

Specifications

Goodman OEM part number: A1781105
Function: Protective / dust cap for ports and fittings
Compatibility: Goodman ACVC90905DXAB and related furnace assemblies
Material: Flexible vinyl
Configuration: 1-piece push-on cap

OEM vs. Generic

The OEM vinyl cap is molded to the precise fitting diameter so it seats snugly and stays put. Loose generic caps fall off in transit or under vibration, defeating the purpose. OEM gives a secure, correctly sized fit at a low cost.

Install Difficulty

Very Easy (1/5). Push the cap onto the port or fitting by hand. No tools required — under 1 minute.

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 1-Piece Vinyl Cap fo...

$6.95

Frequently Asked Questions

Does this Fitting fit my Goodman ACVC90905DXAB Furnace — A1781105?

Yes. This is the factory-specified OEM fitting for the Goodman ACVC90905DXAB 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 ACVC90905DXAB 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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