What are the specs for this Fitting?

The correct replacement for Goodman model GSM080-4 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 GSM080-4 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.

IMAGE COMING SOON

Goodman

OEM Goodman View Port Bushing for GSM080-4 Furnace — B1392139

Name: OEM Goodman View Port Bushing for GSM080-4 Furnace — B1392139
Brand: Goodman
SKU: GOODMAN-12938
Price: 0.85 USD
Availability: InStock

SKU: GOODMAN-12938 Brand: Goodman

$0.85 $1.15

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The genuine Goodman B1392139 View Port Bushing is the small factory grommet that seals the burner inspection sight-port on the GSM080-4 gas furnace and related GMS/GSM 80 series models. It provides a clean, heat-tolerant seal around the viewing window so technicians can observe the burner flame while maintaining the integrity of the combustion enclosure.

Specifications

Type: View-port / sight-glass bushing (grommet)
Function: Seals burner observation port on the furnace panel
Heat-resistant molded construction
Snap-in / press-fit installation
OEM Part Number: B1392139
Fits: Goodman GSM080-4 and related 80 series furnaces

OEM vs. Generic

This is an inexpensive but purpose-molded OEM component sized to the exact port diameter on Goodman 80 series cabinets. A generic grommet that isn't dimensioned correctly can fall out, whistle, or fail to seal — allowing combustion air disturbance around the viewing port. At this price, the correct OEM fit is the obvious choice.

Installation Difficulty

Very Easy (1 of 5). No tools required — simply pop the old bushing out of the panel port and press the new one in until it seats. A one-minute replacement. Often ordered alongside other burner-area service parts.

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...

$0.85

Frequently Asked Questions

Does this Fitting fit my Goodman GSM080-4 Furnace — B1392139?

Yes. This is the factory-specified OEM fitting for the Goodman GSM080-4 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 GSM080-4 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.

Menu