What HP motor do I need for my Goodman unit?

The correct replacement for Goodman model WAHMS3642P4ACA — B1376853 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 WAHMS3642P4ACA — B1376853.

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.

Goodman

OEM Goodman Motor Mount Arm for WAHMS3642P4ACA — B1376853

Name: OEM Goodman Motor Mount Arm for WAHMS3642P4ACA — B1376853
Brand: Goodman
SKU: B1376853-GEN
Price: 3.95 USD
Availability: InStock

SKU: B1376853-GEN Brand: Goodman

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Goodman B1376853 Motor Mount Arm

The Goodman B1376853 is a genuine OEM blower motor mount arm (support bracket) for the WAHMS3642P4ACA air handler and compatible Goodman/Amana units. This bracket is part of the belly-band motor mounting system that holds the blower motor securely and concentrically inside the housing. A bent, corroded, or fatigued mount arm lets the motor sag or vibrate, which causes noise, wheel rub, and premature bearing failure — making this inexpensive part an easy, high-value repair.

Specifications

Type: Blower motor mount arm / support bracket
Material: Stamped/formed steel
Fits: WAHMS3642P4ACA and compatible air handlers
OEM Part Number: B1376853
Equipment: Goodman Air Handler

OEM vs. Generic

This genuine OEM arm matches the original bolt pattern, length, and bend angle so the motor sits in its designed position. Universal or generic brackets often require drilling and shimming and can leave the wheel off-center. For a part this affordable, OEM removes all guesswork.

Installation Difficulty

Easy — disconnect power, support the motor, swap the arm, and re-torque the hardware. Typically 15–30 minutes with basic hand tools. Verify wheel-to-housing clearance after reassembly.

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 Arm for ...

$3.95

Frequently Asked Questions

Does this Motor Mount fit my Goodman WAHMS3642P4ACA — B1376853?

Yes. This is the factory-specified OEM motor mount for the Goodman WAHMS3642P4ACA — B1376853. 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 WAHMS3642P4ACA — B1376853?

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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