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91694251

2.5HP 3-5/8" SL x 4-1/8" OD Impeller 91694251

Part #: 91694251

$26.16
In stock — ships today
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Also replaces

91694251
1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this impeller

This OEM Aqua-Flo impeller is designed for 2.5HP FMXP and XP2 series spa pumps, delivering reliable water circulation for your hot tub system. The white impeller features distinctive white dots and measures 3-5/8" suction length by 4-1/8" outer diameter, ensuring proper flow rates and pressure for optimal spa performance.

Built to Aqua-Flo's exacting standards, this genuine replacement part comes with our exact fit guarantee and ships same-day when ordered before our cutoff. Your investment is protected with our comprehensive 1-year warranty, giving you confidence in long-term reliability. Before installation, confirm your pump's horsepower rating and measure your existing impeller to ensure this 2.5HP specification matches your system requirements.

Exact part number

91694251

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 91694251
  • Aqua-Flo FMXP2 impeller
  • Gecko impeller 91694251
  • XP2 2.5HP impeller

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

Technical specifications

Horsepower
2.5 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 no water movement
  • Excessive pump noise or cavitation
  • Poor circulation leading to water quality issues
  • Visible damage or cracking on existing impeller

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

Before you buy — quick checklist

  • Confirm your pump model is an Aqua-Flo FMXP or XP2 series — check the pump label
  • Verify your pump's horsepower rating matches 2.5HP before ordering
  • Measure your existing impeller: suction length should be 3-5/8" and outer diameter 4-1/8"
  • Inspect the pump seal and diffuser while the pump is open — replace if worn
  • Confirm the white impeller with white dots matches the appearance of your original part

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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