What are the specs for this Bushing?

The correct replacement for Goodman model GMPN080-4 — 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 GMPN080-4 — B1392139.

What symptoms indicate I need a new bushing?

Common symptoms that indicate you need a new bushing include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

Is this bushing 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 Sight/View Port Bushing for GMPN080-4 — B1392139

Name: OEM Goodman Sight/View Port Bushing for GMPN080-4 — B1392139
Brand: Goodman
SKU: GOODMAN-12087
Price: 0.85 USD
Availability: InStock

SKU: GOODMAN-12087 Brand: Goodman

$0.85 $1.09

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Goodman B1392139 View Port Bushing / Grommet

The Goodman B1392139 is a genuine OEM view-port (sight-port) bushing for the GMPN080-4 gas furnace and compatible Goodman/Amana models. This small but important component seals the burner-observation port on the furnace vestibule panel, allowing you to visually inspect the flame while maintaining a proper draft seal. A cracked, missing, or hardened bushing can cause air leaks that upset combustion, invite nuisance flame-sense faults, or let heated air escape the burner box.

Specifications

Type: View / sight port bushing (grommet seal)
Material: High-temperature molded rubber/elastomer
OEM Part Number: B1392139
Compatible model: Goodman GMPN080-4
Equipment type: Gas Furnace
Location: Burner box / vestibule inspection port

OEM vs. Generic

The OEM Goodman B1392139 is molded to the exact port diameter and rated for burner-box temperatures, so it snaps in and holds a tight seal. Generic grommets often run undersized or use lower-temp rubber that shrinks and falls out. At this price point, there's no reason not to use the correct factory part.

Installation Difficulty

Very Easy (1/5). Under 5 minutes and no tools required — press the old bushing out and push the new one into the port until it seats. Replace whenever you service the burners or notice the seal has hardened or gone missing.

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 Sight/View Port Bush...

$0.85

Frequently Asked Questions

Does this Bushing fit my Goodman GMPN080-4 — B1392139?

Yes. This is the factory-specified OEM bushing for the Goodman GMPN080-4 — 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 bushing on my Goodman GMPN080-4 — 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 bushing?

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

Is this bushing 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 bushing?

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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