Gecko Aqua-Flo XP2 Impeller – 2.5 HP/4.0 HP max
Genuine Gecko replacement pump part — Gecko part number 91694251. Used in: Gecko Aqua Flo Flo-Master XP2 48-Frame; Gecko Aqua Flo Flo-Master XP2 56-Frame, 6.1″; Gecko Aqua Flo Flo-Master XP2 56-Frame, 6.3″ Diameter; Gecko Aqua Flo Flo-Master XP 48-Frame.
Specifications
- Impeller Type: Closed Face
- Impeller Diameter OD: 4-3/8″
- Vane Width ID: 3/8″
- Eye Diameter OD: 2-1/8″
- Eye Length: 5/8″
- Impeller Width OD: 1/2″
- Seal Seat Depth: 1/8″
- Shaft Length: 1-1/2″
- Shaft Diameter OD: 5/8″
- Seal Seat Diameter OD: 1-1/4″
- Pump Application: XP2
- Special Feature: Two White Dots On Shaft
*Manufacturer reserves the right to make production changes. Actual product received may vary slightly in appearance but the function remains the same.
✅ Not Sure It Fits? Verify Before Ordering
Hot tub part compatibility can vary by spa brand, model, year, serial number, control system, and part revision.
To help us identify the correct replacement part, please send clear photos of:
- Your existing part label or sticker
- Your spa serial number sticker
- The equipment area or installation location (if accessible)
EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.
Match the Gecko part number 91694251 on the label of the part you are replacing (or your spa pack label). If you cannot find it, send us photos through the fit-check form above and we will confirm before you order.
This part cross-references to: 377199, 5121-33, 5121-45, 91694251, AF91694251, AQF-101-9950.
Orders ship from our parts warehouse partners, and orders over $99 ship free in the lower 48. Need it confirmed before you order? Use the fit-check form above.
91694251 91694251 35-402-1414 377199 5121-33 5121-45 91694251 AF91694251 AQF-101-9950 gecko gecko aqua-flo xp2 impeller – 2.5 hp/4.0 hp max





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