What are the specs for this Fitting?

The correct replacement for Goodman model GDH80403ANBB — 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 GDH80403ANBB — 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 Sight Glass Bushing for GDH80403ANBB — B1392139

Name: OEM Goodman View Port Sight Glass Bushing for GDH80403ANBB — B1392139
Brand: Goodman
SKU: GOODMAN-B1392139
Price: 8.95 USD
Availability: InStock

SKU: GOODMAN-B1392139 Brand: Goodman

$8.95 $11.95

OEM Guaranteed

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30-Day Returns

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Texas CMBL #19328542014

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Govt POs Accepted

The Goodman B1392139 View Port Bushing is a genuine OEM component designed for the GDH80403ANBB 80% AFUE gas furnace. This small but essential grommet seats into the burner compartment door and holds the flame-observation sight glass in place, sealing the inspection port against combustion-gas leakage while allowing a technician to visually confirm ignition and flame quality during service.

Made from heat-resistant material rated for the burner-box environment, this bushing prevents warm-air bypass and keeps the sight-glass window secure over years of thermal cycling. A cracked, missing, or brittle bushing is a common cause of a loose or rattling view port and can allow flue products to escape into the cabinet.

Specifications

Part Type: View port / sight glass bushing (fitting)
OEM Part Number: B1392139
Brand: Goodman
Compatible Model: GDH80403ANBB gas furnace
Material: High-temperature molded grommet
Location: Burner-compartment / combustion access door

OEM vs. Generic

The OEM Goodman bushing guarantees an exact-fit seal and factory tolerance for the GDH80403ANBB port opening. Our lower-cost generic-equivalent option fits the same opening and performs the identical sealing function at a reduced price, making it a smart choice for budget repairs or bulk service stock.

Installation Difficulty

Easy (1/5). No tools required in most cases — press the old bushing out and snap the replacement into the port opening. Always shut off power and gas to the furnace before opening the burner compartment. Installation typically takes under five minutes.

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 Sight Glas...

$8.95

Frequently Asked Questions

Does this Fitting fit my Goodman GDH80403ANBB — B1392139?

Yes. This is the factory-specified OEM fitting for the Goodman GDH80403ANBB — 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 GDH80403ANBB — 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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