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Fleece Thermostat Housing Upgrade (FPE-FMC-TH-1125) for 2011-2025 Powerstroke 6.7L

$94.49

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The Fleece Thermostat Housing Upgrade (FPE-FMC-TH-1125) is a durable, high-performance aftermarket replacement for the factory thermostat housing on 2011–2025 Ford Powerstroke 6.7L diesel engines. Made from billet aluminum with a corrosion-resistant anodized finish, it improves coolant flow and thermal efficiency while eliminating issues like cracking and leaking associated with the stock plastic part. Designed for a precise fit and long-term reliability, it’s an ideal upgrade for enhancing engine cooling under heavy-duty conditions.

Description

The Fleece Thermostat Housing Upgrade (FPE-FMC-TH-1125) is a high-quality aftermarket solution designed specifically for 2011–2025 Ford Powerstroke 6.7L diesel engines. Engineered for durability and performance, this billet aluminum thermostat housing replaces the factory plastic unit, which is prone to cracking and leaking over time. The precision-machined design ensures a perfect fit, improved coolant flow, and enhanced thermal efficiency, helping to maintain optimal engine temperatures under heavy-duty conditions. With its corrosion-resistant anodized finish and robust construction, the Fleece Performance thermostat housing upgrade offers long-term reliability and is an ideal choice for Powerstroke owners looking to enhance their engine’s cooling system.

Additional information

Weight 3.0 lbs

Fitment

  • 2011 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2012 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2013 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2014 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2015 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2016 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2017 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2018 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2019 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2020 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2021 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2022 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2023 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2024 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2025 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2017 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)
  • 2018 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)
  • 2019 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)
  • 2020 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)
  • 2021 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)
  • 2022 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)
  • 2023 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)
  • 2024 Ford Super Duty 350/450/550 6.7L Powerstroke (Cab and Chassis Only)

Features

PROBLEM OVERVIEW

COMPLAINT: Coolant leaks around the thermostat housing area, a low coolant level, or the smell of coolant during engine operation or after operation.

CAUSE: A cracked thermostat housing will result in a coolant leak, potentially leading to engine overheating and damage.

Visual Inspection: Carefully inspect the thermostat housing for cracks or damage. 

Pressure Test: Perform a coolant system pressure test to ensure the system maintains pressure and observe for leaks at all split lines, including the thermostat housing and coolant crossover manifold.

 SOLUTION: The Fleece Performance thermostat housing upgrade is a drop-in, direct factory replacement for the weak plastic housing that can become brittle overtime!

 

Replaces Ford Part Number: RH315 (LC3Z8592B) and Dorman Part Number 902-1074 

Installation

Installation Instructions

 

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Warning

Proposition 65

This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

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