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3HP 3-9/16" SL x 4-1/2" OD Impeller 310-4200 3.00HP - Bubbles Supply

3HP 3-9/16" SL x 4-1/2" OD Impeller 310-4200

Part #: 310-4200

$27.57
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About this impeller

This Waterway Executive 3HP impeller delivers reliable water circulation for 48-frame and 56-frame spa pumps requiring 3.0 horsepower performance. Featuring a 3-9/16" shaft length and 4-1/2" outer diameter, this OEM replacement part ensures your pump operates at peak efficiency with proper water flow and pressure.

At Bubbles Supply, we guarantee this impeller provides an exact fit for your Waterway Executive pump system. Every order ships the same day and includes our comprehensive 1-year warranty for complete peace of mind. Before installation, confirm your pump's horsepower rating and frame size match the specifications to ensure optimal performance and avoid damage to your spa's circulation system.

Exact part number

310-4200

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 310-4200 impeller
  • 3HP spa pump impeller
  • Waterway Executive impeller

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

Technical specifications

Horsepower
3.0 HP
Frame size
48 frame, 56Y frame

Common symptoms this part fixes

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

  • Weak or no water flow from jets
  • Pump runs but pressure is noticeably low
  • Impeller visibly cracked, chipped, or worn
  • Excessive vibration or rattling from pump housing
  • Pump cavitating under normal load

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

Before you buy — quick checklist

  • Confirm your existing pump is a Waterway Executive rated at 3.0 HP
  • Verify frame size — check motor label for 48 or 56Y designation
  • Measure impeller shaft length (should be 3-9/16") and outer diameter (should be 4-1/2") before ordering
  • Inspect diffuser and seal plate for wear — replace if damaged while pump is open
  • Note pump rotation direction before disassembly to ensure correct reinstallation

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

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

Warranty

1 year manufacturer 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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