What are the specs for this Bushing?

The correct replacement for Goodman model WGFM28070V4BXAA — 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 WGFM28070V4BXAA — 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 View Port Bushing for WGFM28070V4BXAA — B1392139

Name: OEM Goodman View Port Bushing for WGFM28070V4BXAA — B1392139
Brand: Goodman
SKU: GOODMAN-14442
Price: 0.85 USD
Availability: InStock

SKU: GOODMAN-14442 Brand: Goodman

$0.85 $1.15

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 grommet for the flame-inspection sight port on the WGFM28070V4BXAA gas furnace. This small but important fitting seals the observation opening on the burner compartment, letting a technician view the flame while keeping the combustion area properly sealed against air leaks. A missing or degraded bushing can disturb combustion air balance and allow the inspection cover to rattle or leak.

Specifications

Part Number: B1392139
Function: View port / sight-glass bushing (grommet)
Type: Snap-in sealing fitting
Fits Model: WGFM28070V4BXAA
Brand: Goodman
Equipment: Gas Furnace

OEM vs. Generic

The genuine Goodman OEM bushing is molded to the exact port diameter for a tight, heat-rated snap fit. Generic grommets may be the wrong bore or a lower-temperature rubber that hardens and falls out near the burner. For a part this inexpensive, only the OEM version is worth installing.

Installation Difficulty

Easy (1/5). Simply push the old bushing out and snap the new one into the view-port opening — no tools required. A quick fix for any homeowner or technician. Ensure the furnace is off before servicing.

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 Bushing fit my Goodman WGFM28070V4BXAA — B1392139?

Yes. This is the factory-specified OEM bushing for the Goodman WGFM28070V4BXAA — 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 WGFM28070V4BXAA — 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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