What are the specs for this Burner Orifice?

The correct replacement for Goodman model DMS80704BNA — B4089343 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 DMS80704BNA — B4089343.

What symptoms indicate I need a new burner orifice?

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

Is this burner orifice 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 Burner Orifice #43 for DMS80704BNA — B4089343

Name: OEM Goodman Burner Orifice #43 for DMS80704BNA — B4089343
Brand: Goodman
SKU: GOODMAN-9597
Price: 5.95 USD
Availability: InStock

SKU: GOODMAN-9597 Brand: Goodman

$5.95 $7.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The Goodman B4089343 Burner Orifice is a genuine OEM #43 drill-size gas orifice (spud) for Goodman DMS80704BNA and compatible 80% AFUE natural gas furnaces. The orifice meters the precise volume of gas delivered to each in-shot burner, directly controlling BTU input and flame quality. A worn, enlarged, or debris-clogged orifice throws off the fuel-air ratio, producing sooting, delayed ignition, or improper firing rate. Replacing damaged orifices restores factory-rated heat output and clean combustion.

Specifications

OEM Part Number: B4089343
Type: Burner orifice / gas spud
Drill Size: #43
Gas Type: Natural gas
Material: Machined brass
Fit: Goodman DMS80704BNA and compatible Goodman/Amana furnaces
Sold: Individually (one per burner — replace as a matched set)

OEM vs. Generic

This genuine Goodman OEM orifice is precision-drilled to the exact #43 diameter your furnace was rated for, guaranteeing correct gas flow and BTU input. Generic orifices with even slightly off bore sizes can over- or under-fire the furnace, causing efficiency loss or safety issues. For accurate gas metering, always match the OEM drill size.

Installation Difficulty

Moderate — technician recommended (20–30 min). Shut off gas and power, remove the manifold, unthread the old orifice, and thread in the replacement (do not overtighten brass). Because incorrect orifice sizing affects combustion safety, a licensed HVAC technician should confirm firing rate and flame quality.

Confirm this is a natural gas application before ordering. Questions? info@nationalhvacparts.com.

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 Burner Orifice #43 f...

$5.95

Frequently Asked Questions

Does this Burner Orifice fit my Goodman DMS80704BNA — B4089343?

Yes. This is the factory-specified OEM burner orifice for the Goodman DMS80704BNA — B4089343. 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 burner orifice on my Goodman DMS80704BNA — B4089343?

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 burner orifice?

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

Is this burner orifice 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 burner orifice?

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