3/8" Stainless Steel Hardline | Performance parts and accessories for Audi, BMW, Volkswagen, Mini, Mercedes Benz, Porsche and Volvo

3/8" Stainless Steel Hardline

ECS Tuning
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Was: US$40.99
Now: US$34.84
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Product Overview

Want to set your trunk setup apart from the average tank and nylon line builds? You can now do that with this 3/8" Stainless Steel hardline sold in 3 foot sections. We recommend at least a total of 9 feet, however depending on the complexity of your design you may need more or less. Will require a tubing bender as well as a hardline cutter. Flaring tools may also be required depending on what fittings you decide to use.


  • Seamless 304 Stainless Steel Construction
  • 3/8" Outer Diameter , 0.305" Inner Diameter , 0.035" Wall Thickness
  • Sold in 3 Foot Sections
  • Not DOT Approved 

*You can use this tubing with certain PTC fittings, however we cannot guarantee this tubing will seal with all 3/8" PTC fittings, we recommend compression fittings with Stainless Steel line*

**Also due to the custom nature of creating custom tank hardlines, we cannot offer support or replacement unless due to manufacture defect**

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