Hex Lag Screw 5/16"-9 x 1-3/4" - Zinc ASTM A307

Marsoni

M251S

$22.73

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

Hex Lag Screw 5/16"-9 x 1-3/4" - Zinc ASTM A307Product Details : Hex Lag Screw 5 16" 9 x 1 3 4" Zinc ASTM A307 Product Type: Hex Lag Screw Lag Bolt Bolt Diameter Size: 5 16" Thread Count (Pitch TPI): 9 Length: 1 3 4" Head Type: Hexagon Tool to use: 1 2" Threading: Partial thread Thread Type: Coarse Type Of Point: Lag Bolt Material(s): Zinc Steel Grade: ASTM A307 Standards and Certifications: ASTM A307 For any information about products, please contact us. *Photos for reference purposes only.

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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

Verified Purchase

Carlton Earley

New York, US

★★★★★ 5

fixed issue

stopped the overheat issue on my outboard!!!

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Reviewed in the United States on August 6, 2025