Pentair SuperFlo & SuperMax 1.1HP Pump Diffuser — Part 356358Z

Pentair SuperFlo & SuperMax 1.1HP Pump Diffuser — Part 356358Z

Marsoni

M251S

$89.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Pentair SuperFlo & SuperMax 1.1HP Pump Diffuser — Part 356358ZKeep your pool pump running at its best with the genuine Pentair 356358Z Diffuser, a factory spec replacement component engineered for Pentair SuperFlo and Sta Rite SuperMax pump systems. This diffuser enhances internal hydraulic flow by directing water through balanced channels, which minimizes energy consumption and reduces mechanical stress on the motor. Built for 1. 1 THP configurations, it is a critical component for sustaining effective water

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The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)

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Reviewed in the United States on October 28, 2025

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Joe H.

Grantham, US

★★★★★ 5

Works fine in outdrive

Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube

Good gear oil. Purple dye for leak detection

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Reviewed in the United States on April 2, 2026

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