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3/8"-16 x 1-3/4" Hex Coupling Nut - Stainless Steel 18-8

Marsoni M251S
Sale price$120.65
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3/8"-16 x 1-3/4" Hex Coupling Nut - Stainless Steel 18-8Product Details : 3 8" 16 x 1 3 4" Hex Coupling Nut Stainless Steel 18 8 Product Type: Hex Coupling Nut Thread Size: 3 8" 16 Bolt Diameter Size: 3 8" Thread Count (Pitch TPI): 16 Length: 1 3 4" Tool to use: 9 16" Thread Type: Coarse Imperial Material(s): Stainless Steel 18 8 Standards and Certifications: Unified Standard Class 2B For any information about products, please contact us. *Photos for reference purposes only.
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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.
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4.0 ★★★★★
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Donivan d.
Battle Creek, US
★★★★★ 5
Good
Works great!
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Reviewed in the United States on November 5, 2024
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Amazon Customer
Natrona Heights, US
★★★★★ 1
Cheap
Cheaply made
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Reviewed in the United States on December 30, 2025
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Kris W Cayton
Omaha, US
★★★★★ 5
Great quality and price
Perfect fit. Received quicker than boat shop
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Reviewed in the United States on June 22, 2025
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Roger
Dallas, US
★★★★★ 5
Easy to install if you watch some online how to videos.
The water pump kit worked great on my 35 year old, 2 stroke, 100hp, Mercury Outboard.
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Reviewed in the United States on May 15, 2025
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Mike M.
Pawtucket, US
★★★★★ 4
Very good shipped and received fast
Missing one bottom gasket. Maybe factor made changes from old style
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Reviewed in the United States on July 10, 2021

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