What are the specs for this Bushing?

The correct replacement for Goodman model DMP125-52AA — 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 DMP125-52AA — 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 Glass View Port Bushing for DMP125-52AA — B1392139

Name: OEM Goodman Sight Glass View Port Bushing for DMP125-52AA — B1392139
Brand: Goodman
SKU: GOODMAN-9526
Price: 6.95 USD
Availability: InStock

SKU: GOODMAN-9526 Brand: Goodman

$6.95 $8.95

OEM Guaranteed

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Texas CMBL #19328542014

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The Goodman B1392139 View Port Bushing is the genuine OEM grommet that frames and seals the inspection sight-glass opening on DMP125-52AA furnaces. It lets a technician observe the burner flame during operation while sealing the viewport against air leakage and heat. Over time the original bushing can harden, crack, or fall out, allowing combustion-air infiltration and drafts — a fresh bushing restores a clean, safe seal.

Specifications

Part Number: B1392139
Type: View port bushing / sight-glass grommet
Brand: Goodman (fits Amana equivalents)
Equipment: Gas furnace burner compartment
Fits Model: DMP125-52AA
Material: High-temp molded grommet

OEM vs. Generic

The OEM Goodman bushing is molded to the exact port diameter for a snap-in, leak-free fit. Our Generic equivalent matches the outer and inner dimensions and temperature rating at a lower price — ideal for stocking multiples. Both maintain a proper viewport seal.

Install Difficulty

Easy. No tools required in most cases — pop out the old bushing and press the new one into the port opening. Under 5 minutes with power off. A true DIY-friendly repair.

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 Glass View Por...

$6.95

Frequently Asked Questions

Does this Bushing fit my Goodman DMP125-52AA — B1392139?

Yes. This is the factory-specified OEM bushing for the Goodman DMP125-52AA — 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 DMP125-52AA — 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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