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1HP 3-1/2" SL x 3-3/4" OD Impeller 17400-0120 1.00HP - Bubbles Supply

1HP 3-1/2" SL x 3-3/4" OD Impeller 17400-0120

Part #: 17400-0120

$36.22
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Also replaces

17400-0120
1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this impeller

This 1HP impeller is designed for Sta-Rite Dura-Jet spa pumps, delivering reliable water circulation for your hot tub system. The precision-engineered impeller features a 3-1/2" suction length and 3-3/4" outside diameter, ensuring optimal flow rates for 1.0 horsepower pump applications. As an OEM Sta-Rite replacement part (17400-0120), this impeller maintains the exact specifications of your original component.

At Bubbles Supply, we guarantee an exact fit for your spa pump and back every impeller with our comprehensive 1-year warranty. Most orders ship same-day, getting your hot tub back to peak performance quickly. Before installation, verify your pump's horsepower rating and measure the existing impeller dimensions to confirm compatibility – proper fitment is essential for optimal pump operation and longevity.

Exact part number

17400-0120

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 17400-0120
  • 1HP spa pump impeller
  • Dura-Jet impeller
  • Sta-Rite 17400-0120 impeller

Looking for an older part number? Check our supersession lookup tool

Technical specifications

Horsepower
1.0 HP

Common symptoms this part fixes

If your spa is showing any of these signs, this part is likely your fix:

  • Weak or low water flow from jets
  • Pump runs but little to no water movement
  • Visibly cracked, chipped, or worn impeller vanes
  • Excessive pump noise or vibration under load
  • Poor circulation causing water temperature issues

Not sure if this is your problem? Try our diagnostic centre or .

Before you buy — quick checklist

  • Confirm your pump model is a Sta-Rite Dura-Jet — check the label on the pump housing
  • Verify horsepower rating is 1.0 HP on your existing pump label
  • Measure your existing impeller: suction length should be 3-1/2" and outside diameter 3-3/4"
  • Inspect the existing impeller shaft and seal while the pump is open — replace seal if worn
  • Check diffuser for cracking or wear before reassembling — often replaced at the same time

Reading the checklist now prevents 90% of returns. Worth the 60 seconds.

Install difficulty: Medium — Some experience neededTypically 45–90 minutes

Warranty

1 year warranty against defects

Covers manufacturing defects. Does not cover improper installation, normal wear, or accidental damage.

Warranty claims: warranty@bubblessupply.com

Perfect Fit Guarantee

Ordered with our help and the part doesn't fit? Contact us before installation. We'll resolve it with an exchange, replacement recommendation, or return approval.

Learn about our Perfect Fit Guarantee →

Shipping

We ship across the US and Canada. US orders ship from our US warehouse to US customers; Canadian orders ship from our Canadian warehouse to Canadian customers — no cross-border shipping, no surprise duties. In-stock orders placed before 3pm CT ship same day. Standard shipping $9.95 flat rate. Free shipping on orders over $200. Express options available at checkout.

Returns

30-day hassle-free returns on unused parts in original packaging. Contact us before returning to receive your RMA number.

Frequently asked questions

Check the Compatibility section above to confirm fitment for your spa brand and model. If your model is not listed, use our fitment selector at /pages/find-my-part or ask our parts AI for a personalized recommendation.

In-stock orders placed before 3pm CT ship the same day. You will receive tracking information by email as soon as your order ships.

We accept returns within 30 days of delivery for unused items in original packaging. Email returns@bubblessupply.com with your order number to start a return. Installed electrical parts cannot be returned for safety reasons.

Yes, all new parts come with a 1-year warranty against manufacturing defects. Warranty does not cover damage from improper installation or normal wear and tear.

Customer reviews

AI Fitment Assistant

Tell us your spa model and we will confirm this part fits before you buy.

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