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3/8-16 x 1 Hex Bolt HDG
3/8-16 x 1 Hex Bolt HDG
3/8-16 x 1 Hex Bolt HDG
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3/8-16 x 1 Hex Bolt HDG

Marsoni M251S
Sale price$31.49
Pay 4 payments of $7.87 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
3/8-16 x 1 Hex Bolt HDGOverview 3 8 16 x 1 Hex Bolt HDG (05381) is designed for structural fastening applications requiring corrosion resistance and hex drive installation. MPN 05381 Thread Size 3 8 16 Length 1 inch Head Type Hexagonal Coating Hot Dip Galvanized (HDG) Brand Midwest Fastener Technical Features Hexagonal head design enables wrench driven installation for high torque applications 3 8 16 thread specification provides secure engagement in standard threaded holes
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  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.4 ★★★★★
Based on 585 reviews
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Product Reviews
C
Verified Purchase
chris null
Dallas, US
★★★★★ 5
Water impeller kit
Worked perfectly for my ‘02 Rinker Captiva 212 with the 5.7 Mercruiser Aloha one outdrive !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 9, 2025
J
Verified Purchase
Jmac
Pawtucket, US
★★★★★ 4
Good quality, but could have used better instructions
The kit was complete, and all the components were well made. However, if you aren't somewhat mechanical, it would be fairly easy to install the gaskets and backing plate in the wrong sequence. With better instructions, this would be a 5 star plus kit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2025
R
Verified Purchase
ross
Houston, US
★★★★★ 5
Don't pay boat shops for over priced services!
Boat shop wanted $400 dollars for a new water pump replacement. Got this on Amazon and watched a few utube videos. Took less then 2hrs to take apart and replace. I put it in a Alpha 1 gen 2 lower. Very simple process.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2025
S
Verified Purchase
S. C.
New York, US
★★★★★ 5
Exact Replacement Plus a Few Extra Parts Dependent on the Model of Outboard
Worked great for my 2005 200hp Optimax Outboard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2025
C
Verified Purchase
caveman
Lake Worth, US
★★★★★ 5
Good product
It was as advertised. It came when it should have.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025

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