Coolant Tube

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FAQ

A coolant hose kit is a complete set of replacement hoses for your truck’s cooling system. It typically includes all main radiator, heater, and bypass hoses needed to refresh aging or leaking OEM lines, often made from upgraded silicone for better durability.

A coolant reroute kit modifies the factory cooling system routing to bypass problematic components (like the EGR cooler) or simplify the plumbing. It can reduce leak points, lower engine‑bay clutter, and improve cooling efficiency for modified diesel trucks.

Silicone hoses offer several advantages over stock rubber:

  • Higher temperature resistance – withstands under‑hood heat better.
  • Longer lifespan – resists cracking, swelling, and degradation.
  • Improved appearance – available in colors (blue, red, black).
  • Better seal retention – maintains clamp pressure over time.

SPELAB coolant hose kits are designed specifically for:

  • 6.7L Powerstroke (2011‑2024)
  • 6.4L Powerstroke (2008‑2010) – check product listing.
  • 6.0L Powerstroke (2003‑2007) – check product listing.

Always verify the exact year and engine model before purchase.

Yes. It’s recommended to flush the system to remove old coolant, debris, and any contaminants. This ensures the new hoses and your engine’s cooling passages stay clean, maximizing the kit’s performance and longevity.

Yes. A reroute kit can bypass the EGR cooler entirely, eliminating a common failure point on Powerstroke engines. This reduces the risk of coolant‑to‑exhaust leaks, which can cause white smoke, loss of coolant, and potential engine damage.

Yes. Silicone hoses are chemically compatible with standard ethylene‑glycol coolant and most diesel cooling system additives (e.g., SCAs, nitrite‑based inhibitors). Always follow the additive manufacturer’s instructions for proper concentration.

Basic tools include:

  • Socket set and wrenches
  • Hose‑clamp pliers (for spring clamps)
  • Drain pan
  • Funnel for coolant refill
  • Torque wrench (for certain fittings)
  • Safety glasses and gloves