WSM Mercury 200-300 Hp Upper Main Bearing - 010-259, 31-816773A2

WSM Mercury 200-300 Hp Upper Main Bearing - 010-259, 31-816773A2

Marsoni

M251S

$116.56

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

WSM Mercury 200-300 Hp Upper Main Bearing - 010-259, 31-816773A2ITEM#: 010 259 UPPER MAIN BEARING: MERCURY 200 300 HP OEM#: 31 816773A2 BRAND: WSM FITMENTS: Make Model Year(s) Mercury 6 Cyl 3. 625 Bore 3L 225 1994 2001 Mercury 6 Cyl 3. 625 Bore 3L EFI 200 2002 2008 Mercury 6 Cyl 3. 625 Bore 3L EFI 225 1995 2008 Mercury 6 Cyl 3. 625 Bore 3L EFI 250 1995 2008 Mercury 6 Cyl 3. 625 Bore 3L Pro Max 300 1998 2005 Mercury 6 Cyl 3. 6265 Bore 3L Optimax 200 1997 2018 Mercury 6 Cyl 3. 6265 Bore 3L Optimax 225 1998 2018

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My Frenchie is a crazy chewer and can chew up a nylabone in a day, so I was looking for something that would last longer. So far this is holding up, and is pretty durable. Both my dogs like it a lot, it’s easy for them to grasp, and chewable but still very tough material. I suspect at some point it’ll wear down, but not for a while. The size was just as described / expected. Not too small and not too big

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Reviewed in the United States on May 23, 2025

Verified Purchase

Amazon Purchase

Bozeman, US

★★★★★ 5

Great for aggressive chewers!

Color: Blue

Our aggressive chewers love these! Very durable.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on June 8, 2026