What are the specs for this Fitting?

The correct replacement for Goodman model AMEC961004CNAC Furnace — B1392139 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 AMEC961004CNAC Furnace — B1392139.

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 View Port Bushing for AMEC961004CNAC Furnace — B1392139

Name: OEM Goodman View Port Bushing for AMEC961004CNAC Furnace — B1392139
Brand: Goodman
SKU: GOODMAN-4300
Price: 6.95 USD
Availability: InStock

SKU: GOODMAN-4300 Brand: Goodman

$6.95 $8.95

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Goodman B1392139 View Port Bushing

The Goodman B1392139 is a genuine OEM view port bushing (sight-glass grommet) engineered for the AMEC961004CNAC and compatible Amana/Goodman gas furnaces. It seals the inspection port on the burner compartment, letting a technician safely observe the flame during operation while maintaining the furnace's sealed-combustion integrity. A cracked, missing, or hardened bushing can allow flue-gas leakage and heat loss around the viewing window, so a factory-spec replacement is the correct fix.

Specifications

Part Number: B1392139
Type: View port bushing / sight-glass grommet
Fits: AMEC961004CNAC gas furnace
Brand: Goodman / Amana
Material: High-temperature molded grommet
Application: Burner compartment inspection port

OEM vs. Generic

The OEM B1392139 is molded to the exact port diameter and heat rating specified by Goodman, ensuring a tight seal and long service life at combustion-chamber temperatures. Aftermarket grommets often use lower-temperature rubber that hardens and shrinks, leading to repeat failures. For a sealed-combustion appliance, we recommend the genuine OEM part.

Installation Difficulty

Easy (1/5). No tools required in most cases — power down the furnace, remove the old bushing, and press the replacement into the port. Typically a 5-minute job for a homeowner or technician.

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 View Port Bushing fo...

$6.95

Frequently Asked Questions

Does this Fitting fit my Goodman AMEC961004CNAC Furnace — B1392139?

Yes. This is the factory-specified OEM fitting for the Goodman AMEC961004CNAC Furnace — B1392139. 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 AMEC961004CNAC Furnace — B1392139?

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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