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12_51bffc2e-492f-4553-a4f7-b54eba300111 - Northline Parts

4 HP 56Y Frame 230 Volt Dual-Speed Swimming Hot Tub & Spa Pump For 3711621-1D

Alligator_819_x_200_px - Northline Parts

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$434.29
Sale price  $434.29 Regular price 

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Dual-Speed Versatility:

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

4 HP 56Y Frame 230 Volt Dual-Speed Swimming Hot Tub & Spa Pump (Aftermarket Replacement for 3711621-1D)

Restore your spa's performance with this high-power 4 HP dual-speed pump. This premium aftermarket unit is specifically designed to provide reliable water circulation and powerful jet action for swimming pools, hot tubs, and spas. Engineered for durability and efficiency, this motor features a rugged 56Y frame and 230V operation, ensuring your relaxation time remains uninterrupted and your water stays crystal clear. This is a cost-effective, high-quality replacement for your worn-out original equipment.

Key Features & Benefits

  • Dual-Speed Versatility: Seamlessly switch between a low speed for efficient, quiet filtration and a high speed for a therapeutic jet massage.
  • Heavy-Duty 56Y Frame: Constructed for maximum durability and superior heat dissipation to extend the life of the motor.
  • Energy Efficient: Optimized 230V performance helps manage energy consumption while delivering peak flow rates.
  • Quiet & Smooth: Engineered to minimize vibration and noise for a more peaceful backyard experience.
  • Aftermarket Value: Get factory-level performance with this high-grade aftermarket alternative designed for long-term reliability.

Compatible Models

  • Directly replaces part number: 3711621-1D
  • Compatible with many major spa and hot tub brands requiring a 56Y frame configuration
  • Fits various residential swimming pool systems designed for 4 HP dual-speed motors

Product Specifications

  • Horsepower: 4 HP
  • Frame Size: 56Y
  • Voltage: 230V
  • Speed: Dual-Speed (High/Low)
  • Application: Hot Tubs, Spas, and Swimming Pools
  • Condition: Brand New Aftermarket

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance specifications of the original equipment.

How do I confirm compatibility?
To ensure a perfect fit, please cross-reference your existing pump's label to verify the horsepower (4 HP), frame size (56Y), and voltage (230V). Matching the part number 3711621-1D is the best way to guarantee compatibility.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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