JEGS Brass Hose Adapter for 3/8 in. to 5/16 in. Hose
JEGS Brass Hose Adapter for 3/8 in. to 5/16 in. Hose
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JEGS Brass Hose Adapter for 3/8 in. to 5/16 in. Hose

Key item features

  • ADAPTS 3/8 Inch Hose To 5/16 Inch Hose
  • MACHINED FROM brass for long service life
  • PROBLEM SOLVER when needing to go from one size hose to another
  • COMPLETE YOUR PLUMBING for vacuum, fuel, coolant, or other low-pressure uses
Current price is Now $5.91
You save $4.08
was $9.99
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Arrives by Thu, May 21
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Shipping fee $15.99
Sold and shipped by JEGS High Performance
4.353982300884955 stars out of 5, based on 565 seller reviews(4.4)
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5 out of 5 stars
stars15 ratings14 reviews
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Showing 1-3 of 14 reviews

Mar 22, 2026
Milner
5 out of 5 stars review

Seller Verified Purchase

This was a problem solver.

Very simple, durable piece that made the transition from a 3/8" high pressure line to a 5/16" line. This was a problem because the connection at each end was two different sizes in a very short span. Worked for me.

Review from jegs.com
Helpful?5KOKX1UHDQ2U603556332
May 9, 2018
mick 907
5 out of 5 stars review

Seller Verified Purchase

Fitting

Worked out Great from my fuel line to the Edelbrock carb just what I needed to complete the hook-up ,satisfied with my purchase .Thanks

Review from jegs.com
Helpful?5KOKX1UHDQ2U603556332
Nov 3, 2014
Metalman
5 out of 5 stars review

Make your own 7.3L powerstroke fuel line

If you have a powerstroke with a leaky quick connect fuel line, this little item and some proper injection rated hose will solve it cheaply and effectively. The hard line that connects to the fuel bowl has a 3/8" connection that this hose connector will help you reduce to the 5/16" ID you need to connect up to the lines on the supply side. Excellent product. Excellent price. Thank you JEGS!

Review from jegs.com
Helpful?5KOKX1UHDQ2U603556332