★★★★★ 5
Good
Good
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Reviewed in the United States on April 27, 2026
9/16-inch Round U-bolts (3.625 x 12)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
9/16-inch Round U-bolts (3.625 x 12)Replace your worn out U bolts with Rough Country's durable U Bolt kits! Our steel U Bolt kits are offered in a variety of sizes and styles to suit any replacement or custom fitting. All bolts are e coated black, making them corrosion resistant and ready to withstand the elements. Features Thread Size: 9 16 inch Inside Width: 3. 625 inch Inside Length: 12 inch Style: Round E coated black Corrosion resistant Sold as set of 4
Quick Dispatch:
Your 9/16-inch Round U-bolts (3.625 x 12) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your 9/16-inch Round U-bolts (3.625 x 12) ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.9 ★★★★★
Based on 949 reviews
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Product Reviews
★★★★★ 5
Works as it should
Works as it should
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 4
Four Stars
Just what I needed
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Reviewed in the United States on October 14, 2016
★★★★★ 5
Functioned as advertized.
Installed these in my Whalers 96 200 Offshore. No issues, used permatex gasket compound on aluminum engine parts after cleaning with fine brass wire wheel.
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Reviewed in the United States on November 20, 2024
★★★★★ 5
Fits 1988 Sea Ray V-135 2 stroke (Mercury)
For those of you with the 135 hp
mercury that was branded as the "Sea Ray 135" and paint matched to the boat (i.e. Seville's and some others) this is the 147 degree thermostat for that motor. My Seville is an '88 and It's difficult to cross reference the serial numbers on those motors when searching for parts. Only buy Quicksilver parts for these motors. Happy to find them on Amazon because Boats.net as an example, is not clear on what you're getting.
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Reviewed in the United States on August 3, 2024
