What are the specs for this Fan Blade?

The correct replacement for Goodman model GMT090-5A — B1086771S 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 GMT090-5A — B1086771S.

What symptoms indicate I need a new fan blade?

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

Is this fan blade 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 18 in. Condenser Fan Blade for GMT090-5A — B1086771S

Name: OEM Goodman 18 in. Condenser Fan Blade for GMT090-5A — B1086771S
Brand: Goodman
SKU: GOODMAN-12404
Price: 48.95 USD
Availability: InStock

SKU: GOODMAN-12404 Brand: Goodman

$48.95 $64.95

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Goodman B1086771S 18" X-Series Condenser Fan Blade

The Goodman B1086771S is a genuine OEM 18-inch X-Series condenser fan blade for the GMT090-5A and compatible Goodman/Amana outdoor units. Precisely pitched and factory-balanced, it moves the exact CFM the condenser needs to reject heat efficiently. A bent, cracked, or unbalanced blade causes vibration, motor bearing wear, high head pressure, and noisy operation — installing a balanced OEM blade restores quiet, efficient heat transfer and protects the fan motor.

Specifications

OEM Part Number: B1086771S
Diameter: 18 inches
Series: X-Series condenser blade
Balance: Factory-balanced for low vibration
Bore: Fits standard Goodman condenser motor shaft (verify set-screw bore)
Fits: Goodman GMT090-5A and compatible units

OEM vs. Generic

The OEM blade delivers the precise diameter, blade count, and pitch Goodman engineered for this system's airflow and static pressure. Generic blades may match diameter but differ in pitch, altering CFM and overloading the motor. A factory-balanced OEM blade also runs quieter and extends motor life.

Installation Difficulty

Moderate. Disconnect power, remove the fan grille, loosen the set screw, slide the old blade off the motor shaft, and mount the new one at the correct depth. A capable DIYer can do it, though verifying blade orientation and shaft depth matters for balance.

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 18 in. Condenser Fan...

$48.95

Frequently Asked Questions

Does this Fan Blade fit my Goodman GMT090-5A — B1086771S?

Yes. This is the factory-specified OEM fan blade for the Goodman GMT090-5A — B1086771S. 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 fan blade on my Goodman GMT090-5A — B1086771S?

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 fan blade?

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

Is this fan blade 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 fan blade?

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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