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Official Wehrli Wcf100405-bs - 01-05 Chevy 6.6l Lb7/lly Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver Limited Time 50% Off [OKxaUGQd]

$63.99 $204.99 -69%

Top Outlet Billet Thermostat Housing Kit The Official Wehrli Wcf100405-bs - 01-05 Chevy 6.6l Lb7/lly Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver Limited Time 50% Off [OKxaUGQd] is a premium upgrade designed for 2001-2005 LB7/LLY Duramax engines. This custom fabricati

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Official Wehrli Wcf100405-bs - 01-05 Chevy 6.6l Lb7/lly Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver Limited Time 50% Off [OKxaUGQd]

Top Outlet Billet Thermostat Housing Kit

The Official Wehrli Wcf100405-bs - 01-05 Chevy 6.6l Lb7/lly Duramax Thermostat Housing & Upper Coolant Pipe Kit - Bengal Silver Limited Time 50% Off [OKxaUGQd] is a premium upgrade designed for 2001-2005 LB7/LLY Duramax engines. This custom fabrication kit offers a superior solution for replacing the OEM upper radiator hose and coolant return pipe, enhancing both performance and aesthetics.

Key Features and Specifications

This kit includes a top outlet billet thermostat housing and upper coolant pipe, providing several notable benefits. Key features include:

  • Improved coolant routing for enhanced engine cooling efficiency
  • Increased driver side fuel system component access
  • Room for larger aftermarket turbochargers

Additionally, the kit is compatible with both single and dual CP3 pump setups, ensuring versatility for various engine configurations. The Bengal Silver finish adds a sleek, modern look to your engine bay, while the custom powder coat colors offer a personalized touch.

Practical Uses and Benefits

The Wehrli Thermostat Housing & Upper Coolant Pipe Kit is not just a cosmetic upgrade; it offers practical advantages as well. By changing the coolant routing, this kit improves overall engine cooling performance, which can lead to better fuel efficiency and longer engine life. Practical uses include:

  • Enhanced engine cooling for increased power output
  • Improved driver side fuel system component access for easier maintenance
  • Increased compatibility with larger turbochargers for enhanced performance

With its combination of performance enhancements, aesthetic appeal, and practical benefits, the Wehrli Thermostat Housing & Upper Coolant Pipe Kit is an essential upgrade for any 2001-2005 Chevy 6.6L LB7/LLY Duramax engine owner looking to take their vehicle to the next level.

What Our Customers Say

February 2, 2026

Absolutely no complaints!

This is a very solid and reliable piece.

- Opal E..

February 2, 2026

Absolutely no complaints!

This is a product that is a great addition to my life.

- Claire S..

February 2, 2026

Absolutely no complaints!

The product is of excellent quality and a great investment.

- Ryleigh H..

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