What HP motor do I need for my Goodman unit?

The correct replacement for Goodman model OEM Goodman 3/4 HP Variable Speed Blower Motor — B13400704ABS 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 OEM Goodman 3/4 HP Variable Speed Blower Motor — B13400704ABS.

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 blower motor 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 3/4 HP Variable Speed Blower Motor — B13400704ABS

Name: OEM Goodman 3/4 HP Variable Speed Blower Motor — B13400704ABS
Brand: Goodman
SKU: B13400704ABS-GEN
Price: 1205.95 USD
Availability: InStock

SKU: B13400704ABS-GEN Brand: Goodman

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The Goodman B13400704ABS is the OEM 3/4 HP variable speed (ECM) blower motor for the AEPF426016AA air handler. This electronically commutated motor delivers quiet, energy-efficient airflow and ramps speed to match system demand — improving comfort, humidity control, and efficiency over a standard PSC motor. It ships with the matched module programmed for this air handler platform.

Specifications

OEM Part Number: B13400704ABS
Horsepower: 3/4 HP
Type: Variable speed ECM blower motor
Compatible Model: AEPF426016AA air handler
Brand: Goodman

OEM vs. Generic

Variable speed ECM motors are tightly matched to the air handler's control board and airflow tables. The OEM B13400704ABS is pre-programmed with the correct speed profiles for the AEPF426016AA — a generic or universal ECM may require reprogramming, can underperform, and may void the equipment warranty. For variable speed systems, OEM is strongly recommended.

Install Difficulty

Hard / Professional — high-cost ECM component handling line-voltage and motor module wiring. We recommend installation by a licensed HVAC technician. Always disconnect power and discharge before service. Typical install 60–90 minutes.

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 3/4 HP Variable Spee...

$1,205.95

Frequently Asked Questions

Does this Blower Motor fit my Goodman OEM Goodman 3/4 HP Variable Speed Blower Motor — B13400704ABS?

Yes. This is the factory-specified OEM blower motor for the Goodman OEM Goodman 3/4 HP Variable Speed Blower Motor — B13400704ABS. 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 blower motor on my Goodman OEM Goodman 3/4 HP Variable Speed Blower Motor — B13400704ABS?

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 blower motor 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 blower motor?

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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