What are the specs for this Burner Orifice?

The correct replacement for Goodman model GDT070-3B — 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 GDT070-3B — 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.

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Goodman

OEM Goodman #43 Burner Orifice for GDT070-3B — B4089343

Name: OEM Goodman #43 Burner Orifice for GDT070-3B — B4089343
Brand: Goodman
SKU: GOODMAN-10443
Price: 5.95 USD
Availability: InStock

SKU: GOODMAN-10443 Brand: Goodman

$5.95 $7.95

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Goodman B4089343 #43 Burner Orifice

The B4089343 is a genuine OEM #43 drill-size burner orifice (spud) for Goodman GDT070-3B gas furnaces and compatible Goodman/Amana models. The orifice threads into the manifold and precisely meters natural gas into each in-shot burner, setting the furnace's BTU input. A damaged, corroded, or incorrectly sized orifice throws off the fuel/air ratio and can cause sooting, delayed ignition, lifting flame, or under-firing. Always match the drill size stamped on the spud to your gas type and altitude.

Specifications

Type: Threaded brass burner orifice / spud
Drill Size: #43
Gas Type: Natural gas (verify rating plate for LP conversion)
Fits: Goodman GDT070-3B and compatible Goodman/Amana furnaces
OEM Part Number: B4089343
Sold: Individually (order one per burner)

OEM vs. Generic

Orifice bore diameter directly controls gas flow and BTU output. The OEM B4089343 is precision-drilled and thread-matched to the GDT070-3B manifold. Generic spuds may have oversized or off-center bores that alter firing rate and combustion safety. For a fuel-metering component, OEM is the safe choice.

Installation Difficulty

Easy (2/5). Shut off gas, remove the burner, unthread the old orifice with a nut driver, and hand-thread the replacement without over-tightening. Under 15 minutes. Leak-test and verify a clean blue flame after install.

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 GDT070-3B — B4089343?

Yes. This is the factory-specified OEM burner orifice for the Goodman GDT070-3B — 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 GDT070-3B — 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.

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