What are the specs for this Gas Valve?

The correct replacement for Goodman model AMH80403AXBD Furnace — 0259M00005 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 AMH80403AXBD Furnace — 0259M00005.

What symptoms indicate I need a new gas valve?

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

Is this gas valve 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 Gas Valve Adapter for AMH80403AXBD Furnace — 0259M00005

Name: OEM Goodman Gas Valve Adapter for AMH80403AXBD Furnace — 0259M00005
Brand: Goodman
SKU: GOODMAN-4993
Price: 5.95 USD
Availability: InStock

SKU: GOODMAN-4993 Brand: Goodman

$5.95 $7.95

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Texas CMBL #19328542014

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The Goodman 0259M00005 Gas Valve Adapter is a genuine OEM fitting for the Amana/Goodman AMH80403AXBD gas furnace and related 80% AFUE models. It provides the correct thread and port transition between the gas valve and the furnace's gas supply/manifold plumbing, ensuring a properly aligned, leak-free connection. Using the factory adapter avoids improvised bushings or mismatched threads that can leak gas or misalign the manifold.

Specifications

OEM Part Number: 0259M00005
Application: Gas valve to manifold/supply adapter fitting
Compatibility: Amana/Goodman AMH80403AXBD and related 80% furnaces
Function: Correct thread and port transition for the gas valve
Brand: Goodman (Amana family)

OEM vs. Generic

Gas-carrying fittings must match thread pitch, sealing surface, and length exactly. The OEM 0259M00005 is machined to the furnace's factory spec, so the gas valve seats square and torques to a reliable seal. Generic hardware-store adapters may have the wrong thread type or wall thickness — a serious safety risk on a live gas line. For any component in the gas path, OEM is the safe choice.

Installation Difficulty

Moderate (3/5). Shut off the gas at the manual shutoff and cut power before starting. Use proper pipe-thread sealant rated for gas, torque to spec, and leak-test every joint with a soap-bubble solution before relighting. Because this is a live-gas repair, we strongly recommend a licensed HVAC technician perform the installation.

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 Gas Valve Adapter fo...

$5.95

Frequently Asked Questions

Does this Gas Valve fit my Goodman AMH80403AXBD Furnace — 0259M00005?

Yes. This is the factory-specified OEM gas valve for the Goodman AMH80403AXBD Furnace — 0259M00005. 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 gas valve on my Goodman AMH80403AXBD Furnace — 0259M00005?

Requires licensed HVAC technician. Gas valve work involves gas lines that must meet local building codes. Improper installation risks dangerous gas leaks. Buy the part yourself to save 40–60% on markup, then have your technician install it.

What symptoms mean I need a new gas valve?

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

Is this gas valve 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 gas valve?

Always use OEM. Gas valves must match exact pressure ratings, port configurations, and safety certifications. Non-OEM gas valves can create safety hazards and may violate building codes.

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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