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Non-toxic Hps 3-3/8" - 3-1/2" 4-ply Reinforced Silicone Straight Coupler Hose | Universal (htsr-338-350-blk) With A 95% Price Cut [hR8v1CNH]

$17.99 $57.99 -69%

3-3/8" - 3-1/2" 4-ply Reinforced Silicone Straight Coupler Hose by HPSHPS 3-3/8" - 3-1/2" (86mm - 89mm), High Temp 4-ply Reinforced Silicone Reducer Coupler Hose meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and

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Non-toxic Hps 3-3/8" - 3-1/2" 4-ply Reinforced Silicone Straight Coupler Hose | Universal (htsr-338-350-blk) With A 95% Price Cut [hR8v1CNH]

3-3/8" - 3-1/2" 4-ply Reinforced Silicone Straight Coupler Hose by HPS

HPS 3-3/8" - 3-1/2" (86mm - 89mm), High Temp 4-ply Reinforced Silicone Reducer Coupler Hose meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. HPS Performance silicone reducer coupler hose is designed and engineered to meet high performance requirements specified in various industry standards, therefore make it great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system.

Please Note: Silicone hose is compatible with water and coolant, however, it is NOT compatible with fuel or oil.

Features

  • Product Type: Silicone Reducer Coupler Hose
  • Temperature Range: -65 deg. F to 350 deg. F (177 deg. C)
  • Reinforced Layer: 4-ply Polyester
  • Hose Inside Diameter: 3.38" - 3.5" (86mm - 89mm)
  • Hose Outside Diameter: 3.78" - 3.9" (96mm - 99mm)
  • Available Length: 3"
  • Wall Thickness: 5mm +/- 0.5mm
  • Color: Black or Blue
  • UV and ozone resistant

Benefits

  • Ideal for heavy duty pressure connections
  • Provides excellent resistance for high temperature applications

Applications

  • Universal

What's In The Box?

  • 1 - 3-3/8" - 3-1/2" 4-ply Reinforced Silicone Straight Coupler Hose

Warranty

  • Manufacturers Standard Warranty

What Our Customers Say

January 25, 2026

Absolutely no complaints!

A great item for a very good price.

- Victoria B..

January 25, 2026

Absolutely no complaints!

A great item. I'm pleased.

- Bambi F..

January 25, 2026

Absolutely no complaints!

A must-have for its sheer quality.

- Connor C..

Write a Review

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