What are the specs for this Burner Orifice?

The correct replacement for Goodman model GDT115-5B Furnace — 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 GDT115-5B Furnace — 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 #43 Burner Orifice for GDT115-5B Furnace — B4089343

Name: OEM Goodman #43 Burner Orifice for GDT115-5B Furnace — B4089343
Brand: Goodman
SKU: GOODMAN-10507
Price: 5.95 USD
Availability: InStock

SKU: GOODMAN-10507 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

OEM Goodman B4089343 #43 Burner Orifice

Deliver the exact gas input your furnace was designed for with the genuine Goodman B4089343 burner orifice, drilled to a #43 size for the GDT115-5B gas furnace. The orifice (spud) meters natural gas flow into each in-shot burner, directly controlling BTU output, flame size, and combustion efficiency. A worn, enlarged, or debris-clogged orifice causes high or low fire, sooting, and poor flame sensing.

Specifications

OEM Part Number: B4089343
Type: Burner orifice / spud
Drill Size: #43
Gas Type: Natural gas
Fits: Goodman GDT115-5B furnace

OEM vs. Generic

The OEM B4089343 is precision-drilled and deburred to Goodman's specification, guaranteeing the correct BTU input and clean flame pattern. Generic or hand-drilled orifices risk over- or under-firing, which can trip limits or produce carbon monoxide. Always match the orifice number to your furnace rating plate. Replace all orifices as a set.

Installation Difficulty

Easy. Shut off gas, unthread the old orifice from the manifold, and thread in the replacement. Confirm size against the rating plate. About 15 minutes; leak-check the manifold afterward.

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 #43 Burner Orifice f...

$5.95

Frequently Asked Questions

Does this Burner Orifice fit my Goodman GDT115-5B Furnace — B4089343?

Yes. This is the factory-specified OEM burner orifice for the Goodman GDT115-5B Furnace — 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 GDT115-5B Furnace — 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