What HP motor do I need for my Goodman unit?

The correct replacement for Goodman model WPH4348AMAA — B1376857 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 WPH4348AMAA — B1376857.

My AC fan is not spinning. What part do I need?

A fan that does not spin, spins slowly, or makes grinding or squealing noises needs a new motor. Grinding means the bearings have failed. Squealing means the bearings are dry. No spin with a humming sound means the capacitor may be the issue. Check the motor capacitor before replacing the entire motor.

Is this motor mount 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 Blower Motor Mount Arm for WPH4348AMAA — B1376857

Name: OEM Goodman Blower Motor Mount Arm for WPH4348AMAA — B1376857
Brand: Goodman
SKU: GOODMAN-14988
Price: 4.95 USD
Availability: InStock

SKU: GOODMAN-14988 Brand: Goodman

$4.95 $6.49

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Texas CMBL #19328542014

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The Goodman B1376857 Motor Mount Arm is a genuine OEM structural bracket for the Goodman/Amana WPH4348AMAA packaged heat pump. It is one of the arms that suspends and positions the condenser fan motor within the top of the cabinet, holding the motor concentric to the fan orifice so the blade clears the venturi and runs without vibration. A cracked or corroded mount arm lets the motor sag, causing blade rub, noise, and premature bearing wear.

Specifications

OEM Part Number: B1376857
Type: Fan motor mounting arm / bracket (structural hardware — not a motor)
Fits: Goodman/Amana WPH4348AMAA packaged heat pump
Function: Positions and supports the condenser fan motor
Brand: Genuine Goodman OEM

OEM vs. Generic

The mounting hole spacing and arm length are model-specific. A generic bracket that doesn't match will mis-center the motor and throw off blade clearance. This OEM arm bolts directly to the factory locations.

Installation Difficulty: Moderate

Disconnect power, support the motor, unbolt the old arm, and install the replacement, then re-verify blade clearance. No refrigerant or high-voltage service required beyond disconnecting power. Typically a 30–45 minute job.

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 Blower Motor Mount A...

$4.95

Frequently Asked Questions

Does this Motor Mount fit my Goodman WPH4348AMAA — B1376857?

Yes. This is the factory-specified OEM motor mount for the Goodman WPH4348AMAA — B1376857. 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 motor mount on my Goodman WPH4348AMAA — B1376857?

Difficulty: Medium-Hard (1–2 hrs)
Step 1: Turn off breaker. Step 2: Note motor specs: HP, RPM, voltage, rotation direction. Step 3: Remove old motor from mounting. Step 4: Transfer fan blade to new motor. Step 5: Mount new motor, reconnect wiring. Step 6: Restore power, verify rotation direction.

My AC fan isn’t spinning. What part do I need?

Fan not spinning, spinning slowly, or making grinding/squealing noises = motor failure. Grinding = bearings failed. Squealing = bearings dry. No spin + hum = check the motor capacitor first before replacing the entire motor.

Is this motor mount 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 motor mount?

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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