What HP motor do I need for my Goodman unit?

The correct replacement for Goodman model WPH4324AMAA — B1392143 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 WPH4324AMAA — B1392143.

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 grommet 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 Motor Mount Grommet for WPH4324AMAA — B1392143

Name: OEM Goodman Motor Mount Grommet for WPH4324AMAA — B1392143
Brand: Goodman
SKU: GOODMAN-14854
Price: 1.95 USD
Availability: InStock

SKU: GOODMAN-14854 Brand: Goodman

$1.95 $2.95

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Texas CMBL #19328542014

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The Goodman B1392143 is a genuine OEM fan motor mount grommet for the WPH4324AMAA package unit. This small rubber isolator cushions the condenser fan motor where it bolts to its bracket, absorbing vibration and preventing metal-to-metal contact that causes rattling, wear, and premature motor failure. Grommets dry out, crack, and compress over years of outdoor exposure — worn ones let the motor buzz against the frame and transmit noise through the cabinet. Replacing them is one of the cheapest ways to quiet and protect a running unit.

Specifications

Part number: B1392143
Type: Fan motor mount grommet / vibration isolator
Material: Molded rubber
Fits: Goodman WPH4324AMAA and compatible package units
Grade: OEM factory replacement (order one per mount point)

OEM vs. Generic

The OEM Goodman grommet matches the exact bore diameter, groove width, and durometer of the original, so it seats snugly and holds the motor at the correct alignment. Generic grommets that are too soft or the wrong size let the motor shift, accelerating bearing wear. At this price, there's no reason not to use the factory part.

Installation Difficulty: Easy

Rated very easy. With power off and the fan motor supported, slip the old grommets off the mounting studs and press the new ones into place. A quick 10-minute job requiring no tools beyond removing the motor bracket hardware.

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 Motor Mount Grommet ...

$1.95

Frequently Asked Questions

Does this Motor Grommet fit my Goodman WPH4324AMAA — B1392143?

Yes. This is the factory-specified OEM motor grommet for the Goodman WPH4324AMAA — B1392143. 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 grommet on my Goodman WPH4324AMAA — B1392143?

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 grommet 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 grommet?

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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