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2005 Chevrolet 6.6L Duramax LLY
SKU #: FPE-FMC-TH-1125 MPN #: FPE-FMC-TH-1125

Fleece Performance Thermostat Housing 11-25 Ford 6.7L Powerstroke

$89.99
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Description
Ditch the brittle plastic and upgrade to strength that lasts with the Fleece Performance Thermostat Housing for 2011–2025 Ford 6.7L Powerstroke engines.This direct replacement housing is made from durable cast aluminum, offering a serious upgrade over the factory or aftermarket plastic versions that are prone to cracking and leaks. Whether you're dealing with low coolant levels, the smell of coolant, visible leaks around the thermostat area, overheating or pressure loss, a cracked thermostat housing could be the culprit. This upgrade has your back, designed to work seamlessly with all OEM and replacement thermostats, this housing comes complete with new O-rings for a hassle free install, this Fleece Performance unit is your long term fix.Built to withstand time, heat, and pressure, it’s a drop in solution that helps protect your cooling system and keep your Powerstroke running strong.
Ditch the brittle plastic and upgrade to strength that lasts with the Fleece Performance Thermostat Housing for 2011–2025 Ford 6.7L Powerstroke engines.

This direct replacement housing is made from durable cast aluminum, offering a serious upgrade over the factory or aftermarket plastic versions that are prone to cracking and leaks. Whether you're dealing with low coolant levels, the smell of coolant, visible leaks around the thermostat area, overheating or pressure loss, a cracked thermostat housing could be the culprit. This upgrade has your back, designed to work seamlessly with all OEM and replacement thermostats, this housing comes complete with new O-rings for a hassle free install, this Fleece Performance unit is your long term fix.

Built to withstand time, heat, and pressure, it’s a drop in solution that helps protect your cooling system and keep your Powerstroke running strong.
Manuals and Guides
CROSS REFERENCE:
  • RH315, LC3Z8592B, 902-1074
FEATURES & BENEFITS:
  • Direct fit aluminum replacement for leak prone plastic housings.
  • New O-rings included.
About Fleece Performance Engineering
Browse Fleece Performance Engineering Parts Online by Make, Model, and Year.

Fleece Performance Engineering is a customer-centric diesel performance company that specializes in the development and manufacturing of innovative and extremely forward-thinking products to improve upon the performance and reliability of your Cummins, Duramax, or Powerstroke. Originally operating from a shop on their family farm, they have now grown to a full-scale operation that excels in air and fuel-related components for light-duty diesel. A continuous focus on product quality and the creation of new design principles before the competition is what keeps Fleece Performance growing by leaps and bounds year after year and at the forefront of the winners circle. Many know Fleece for its line of Cheetah Turbos, PowerFlo Lift Pumps, and 10mm Stroker Pumps, but it goes far beyond! From the simple, yet widely popular exhaust manifold stud kits that eliminate the troublesome factory manifold hardware to full-blown race engines via their Freedom Racing Engines division, they are truly a "one-stop shop!" And no, Fleece isn't "just" for the hot rod diesel market, they've got kits and components for every level of diesel truck owner.

TIMELINE OF FLEECE PERFORMANCE ENGINEERING:
  • 2008: Fleece Performance Engineering was established in North Salem, IN by Brayden and Chase Fleece. Both had a passion for continuously innovating and improving upon products already on the market. Brayden's 2004.5 LLY Duramax became the test bed to develop the TurboBrake and Duramax Cheetah, while Chase's 2002 Cummins was one of the first Cummins pickups to integrate an Allison Transmission.
  • 2012: Fleece Performance upgrades both facility and location by relocating to Nitro Alley in Brownsburg, IN situated among some of the top racing leaders in the world.
  • 2014: Fleece Performance acquires the area's premier engine machine shop, Freedom Racing Engines. The acquisition enables Fleece Performance to expand the engine development program and product offerings. Today, Fleece Performance and Freedom Racing Engines build some of the most competitive engines in the industry.
  • 2018: Fleece Performance breaks ground on a new 75,000 sq. ft. facililty in Pittsboro, IN.
  • 2019: Fleece Performance and Freedom Racing Engines relocates to its new facility in Pittsboro, IN. The all new headquarters provides additional space for product development, production and work areas, assembly and testing, a larger warehouse, as well as four engine dynamometers, and two-story office space.
  • 2020: Fleece Performance receives ISO9001:2015 Certification.
  • 2021: Fleece Performance Engineering was voted as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.
  • 2022: Fleece Performance Engineering was voted again as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.

As always, if you have any questions about which Fleece turbo, fuel, engine, or other product is right for you, do not hesitate to give us a call and we would be happy to assist.

Video
Diesel Talk | Fleece Thermostat Housing 11-25 Ford 6.7L Powerstroke
Tired of coolant leaks, overheating, or brittle plastic thermostat housings? Upgrade your 2011–2025 Ford 6.7L Powerstroke with the Fleece Performance Thermostat Housing – a serious durability upgrade over factory and aftermarket plastic options. Crafted from rugged cast aluminum, this direct replacement is designed to withstand heat, pressure, and time – eliminating the common failure points that plague plastic housings. Whether youre dealing with low coolant levels, a strong coolant smell, or visible leaks around your thermostat, this is your long-term fix.