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K2 Industries

3.5" 90 Degree Silicone Hose 3-Ply Black/Red

3.5" 90 Degree Silicone Hose 3-Ply Black/Red

$79.99 USD
$100.00 USD $79.99 USD
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3.5" 90 Degree Silicone Hose — 3-Ply Black/Red

Reinforced silicone elbow hose rated for coolant and intercooler lines. Three-ply construction resists collapse under boost and thermal cycling. Black exterior with red interior layer for easy visibility during installation and diagnostics.

✓ 3-Ply Reinforced Construction ✓ 90° Mandrel Bend ✓ Ships from FL Warehouse
Key Features
  • Mandrel-bent elbow — Smooth inner radius prevents turbulence and kink failure on tight plumbing routes.
  • 3-ply reinforced wall — Handles sustained boost pressure and repeated thermal stress without degradation.
  • Dual-color construction — Black exterior layer resists UV and coolant staining; red interior aids leak detection and routing visibility.
Specs
  • Material: Silicone
  • Configuration: 90-degree elbow
  • Inside Diameter: 3.5"
  • Wall Construction: 3-ply reinforced
  • Exterior Color: Black
  • Interior Color: Red
  • Quantity: 1 piece
Whats Included
  • 3.5" 90 Degree Silicone Hose
Frequently Asked Questions

Will this hose work with my existing clamps?

Clamp compatibility depends on your clamp style and the OD of this hose — not confirmed in the product specs. Measure the outer diameter where your clamps will seat, then verify clamp range before ordering. Stainless steel T-bolt or worm-gear clamps are standard for silicone applications.

Can I use this for both coolant and boost applications?

Silicone hose handles both coolant and intercooler duty. Check your system's pressure and temperature specs against silicone ratings for your specific application — boost lines and closed-loop cooling have different demands.

Do I need to prep or seal the connection points before installing?

Clean the barb and connection ports with a dry cloth to remove any debris or coolant residue. Light lubrication inside the hose (water or silicone spray) can help the hose seat onto the barb — this is optional but reduces installation friction.

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