4.00" Black Silicone Hose - 3-Ply Straight

4.00" Black Silicone Hose - 3-Ply Straight

K2 Industries

Part #
K2-1523-UNV-006-TSARK
UPC #
SH-4-BK

Regular price $79.99 USD
Regular price $100.00 USD Sale price $79.99 USD
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Product Description

4.00" Black Silicone Hose — 3-Ply Straight

High-temp silicone radiator hose with three reinforced plies for boost systems, coolant lines, and intake charge piping. Black silicone construction handles extreme temperatures and aggressive coolant chemistry. 4-inch diameter fits most universal cooling and forced-induction applications.

✓ Ships from FL Warehouse ✓ 3-Ply Reinforced ✓ High-Temp Silicone
Key Features
  • Three-ply construction - Resists collapse and ballooning under boost or pressure cycling.
  • Straight configuration - No bends; route it your way with proper clamps and supports.
  • 4.00" diameter - Works with standard hose clamps and most universal mounting points.
Specs
  • Material: Silicone
  • Configuration: Straight
  • Diameter: 4.00 inch
  • Ply Count: 3-ply
  • Color: Black
Whats Included
  • 4.00" Black Silicone Hose — Straight section
Frequently Asked Questions

Do I need hose clamps to install this?

Yes. This hose requires clamps at both ends to secure it to your fittings or barbed connectors. Standard worm-gear or t-bolt clamps work — size depends on your fitting diameter, not the hose.

Can I use this for coolant and boost lines on the same car?

Absolutely. Three-ply silicone handles both coolant and pressurized intake charge without degradation. Make sure any fittings you use are rated for your intended application temperature.

What if I need a different length or a bend?

This ships as a straight section. You can cut it to length with a sharp knife or hose cutter, but bending requires a mandrel or spring — doing it by hand often kinks the hose and compromises flow. Plan your routing before install.

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