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  • 3.75" Black/Red 3-Ply Silicone Hose - Straight
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3.75" Black/Red 3-Ply Silicone Hose - Straight
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3.75" Black/Red 3-Ply Silicone Hose - Straight

K2 Industries
K2-1509-UNV-006-TSARK
Tool Sets and Repair Kits
$100.00 $79.99
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3.75" Black/Red 3-Ply Silicone Hose - Straight
Description
3.75" Black/Red 3-Ply Silicone Hose — Straight

High-temperature silicone hose designed for coolant, intercooler, and boost applications. The 3-ply construction handles sustained heat and pressure spikes without cracking or splitting. Black exterior with red inner core identifies it instantly on the engine bay.

✓ Ships from FL Warehouse ✓ 3-Ply Reinforced Construction ✓ Direct-from-Warehouse
Key Features
  • 3-Ply silicone blend - Resists oil, coolant, and extreme temperatures without degradation
  • Straight configuration - No bends; pairs with elbows and adapters for custom routing
  • 3.75" diameter - Matched to medium-flow cooling and turbo applications
Specs
  • Material: Silicone
  • Configuration: Straight section
  • Diameter: 3.75"
  • Ply Count: 3-ply
  • Color: Black exterior, red interior
What's Included
  • 1x Silicone hose straight section
Frequently Asked Questions

What clamps work with this hose?

T-bolt or band clamps rated for 3.75" diameter. Stainless steel or zinc-plated clamps prevent corrosion. Tighten in a cross pattern to avoid pinching the silicone.

Does this hose come with end fittings or adapters?

Straight hose section only—no fittings included. You'll source elbows, barbed adapters, or threaded couplers separately to connect your coolant or boost lines.

Can I use this for both coolant and boost lines?

Yes. The 3-ply silicone handles coolant loop temperatures and intercooler boost pressure. Confirm your system's max pressure rating against the hose's burst tolerance before final installation.

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