WSM Polaris 300 Piston Ring Set 51-310-04 - .25mm OVER SIZE ONLY - 3084809

WSM Polaris 300 Piston Ring Set 51-310-04 - .25mm OVER SIZE ONLY - 3084809

Marsoni

M251S

$25.51

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

WSM Polaris 300 Piston Ring Set 51-310-04 - .25mm OVER SIZE ONLY - 3084809Polaris 300 Piston Ring Set . 25mm OVER SIZE ONLY 74. 75mm OEM #: 3084809 Make Model CC HP Year Polaris Trail Boss 2X4 300 1995 Polaris Trail Boss 4X4 300 1995 Polaris Xplorer 2X4 300 1994 Polaris Xplorer 2X4 300 1996 Polaris Xplorer 2X4 300 1997 Polaris Xplorer 2X4 300 1998 Polaris Xplorer 2X4 300 1999 Polaris Xplorer 4X4 300 1994 Polaris Xplorer 4X4 300 1996 Polaris Xplorer 4X4 300 1997 Polaris Xplorer 4X4 300 1998 Polaris Xplorer 4X4 300 1999

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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

Verified Purchase

Joe H.

Natrona Heights, 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

Verified Purchase