★★★★★ 5
recommend
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
WSM Knock Sensor Sea-Doo 900 / 1503 / 1630 - '11-24 - 004-517, 420664031
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Knock Sensor Sea-Doo 900 / 1503 / 1630 - '11-24 - 004-517, 420664031Item#: 004 517 Knock Sensor Sea Doo 900 1503 1630 11 24 OEM#: 420664031 Brand: WSM FITMENTS: Make Model Year(s) Sea Doo Explorer Pro 170 1630 2023 2024 Sea Doo Explorer Pro 230 1630 2024 Sea Doo Explorer Pro 300 1630 2024 Sea Doo Fish Pro 155 1503 2019 Sea Doo Fish Pro Scout 130 1630 2022 2023 Sea Doo Fish Pro Sport 170 1630 2022 2023 Sea Doo Fish Pro Trophy 170 1630 2022 2024 Sea Doo GTI 1503 2015 Sea Doo GTI 130 1503 2011 2016 Sea Doo GTI 130 Rental
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4.3 ★★★★★
Based on 2307 reviews
Sort
Product Reviews
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
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)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
★★★★★ 5
Works fine in outdrive
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Good gear oil. Purple dye for leak detection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Good Quality
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Always the best quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
★★★★★ 5
Looks well made
Looks well made. Rubber seems pliable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
