ONA - ONA GEL - PRO - 4L - 3.8KG

Marsoni

M251S

$60.86

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

ONA - ONA GEL - PRO - 4L - 3.8KGONA Gel Odor neutralizer Pro 4 Litre Pail (3. 8 kg 8. 5 lbs) ONA Gel is probably the best known Odor Neutralizing Agent (ONA) product. Born after years of research in the field of odor neutralization, it is a product with excellent dispersive capabilities. Odor elimination agents are released in a slow and controlled way to optimize every single drop of this amazing product. ONA Gel spreads naturally by evaporation. It is a complex formula based on

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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.

Chelsea, 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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