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Manufacturer

Part Number

HTST-400-BLK
Sale Price

$80.84

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The HPS Performance Products HTST-400-BLK is a premium 4-inch ID silicone coupler hose designed for high-performance automotive, marine, and industrial applications. This straight coupler measures 1 foot in length and features a durable black finish that resists UV exposure and ozone degradation.

Key Features:

  • High-temperature 4-ply reinforced silicone construction for maximum durability
  • 4-inch inner diameter with 12-inch overall length
  • Meets and exceeds SAEJ20 industry standards for quality and performance
  • Ideal for custom turbo and intercooler piping, intake systems, and radiator cooling applications
  • Provides excellent resistance to extreme temperatures and heavy-duty pressure connections
  • UV and ozone resistant for long-lasting performance in harsh environments
  • Suitable for marine and industrial use

Important Note: This silicone hose is NOT compatible with fuel or oil applications. Designed specifically for air and coolant systems where high temperature resistance and flexibility are required.

Perfect for DIY fabricators and professional installers looking for reliable, high-quality silicone couplers for custom piping projects.

Products specifications

Wall Thickness

5

Oil Resistant

No

Universal Or Specific Fit

Universal

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Title

HPS Silicone Straight Tube 4" ID, 1 Foot Length HTST-400-BLK Black

Quick and easy

Buying experience was excellent. Now, I hope it fits my 1973 Buick Centurion Convertible!

So far, so good

Incredibly low prices and fast shipping. I bought shocks and struts for my truck and saved more than 35% over what my local parts store wanted!!! I made the mistake of not setting up my account before placing my order so I didn't get confirmation right away, but one quick phone call fixed that. Great customer service.

Great, easy!

Cheapest place I found for High Performance Rotors. :)

Order shipped without delay and Autoplicity had the best price. One of the problems was I did not get order confirmation email or could not get the order details in my account. Unfortunately, I registered after placing the order because the process was not that straight forward. They could not get my order details into the account. The tracking email was received little late. I wish they improve the system to add orders to the account and display the order progress.

best price i have seen while i am searching in the interner :))

Fast and easy had what I needed. Also could not find what I was looking for any where but here. Thanks

Great Company. I needed a part quickly and for the right price. They had the best price on the internet, and made sure it got to me in two days before I went away on my road trip. I spoke to a representative that was very helpful. I highly recommend Autoplicity! Thanks!!!

found what needed

I found Autoplicity on a well known online vendor and the experiance was excellent so now I just go straight to autoplicity.com directly my last order (17805) was for some parts for my very modifide Jeep and two things stood out, the price and shipping, both were top shelf and above my expectations. Now when I need parts I check autoplicity.com first. They are my #1 now.<br>

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