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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: FPE-FMC-TH-1125
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$89.99
2017 - 2025 Ford F250
2017 - 2025 Ford F350
2017 - 2025 Ford F450
2017 - 2025 Ford F550
2023 - 2023 Ford F600
Product Name: Fleece Thermostat Housing Upgrade - 2011-2025 Ford Powerstroke 6.7L Manufacturer: Fleece Manufacturer Part #: FPE-FMC-TH-1125 Thoroughbred Diesel Part #: FPE-FMC-TH-1125 Fitment Notes: 2011-2025 Ford Powerstroke 6.7L
Upgrade your plastic coolant thermostat housing on your 6.7L Power Stroke with our more durable cast aluminum model! Replaces Ford Part Number: RH315 (LC3Z8592B) and fits F250-750 models!
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!
Notes
Fleece Thermostat Housing Upgrade Features: