Fleece Performance 11-25 Ford F-250/F-350/F-450 6.7L Power Stroke Thermostat Housing Upgrade
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Upgrade your plastic OEM or aftermarket engine coolant thermostat housing on your 6.7L Power Stroke with our more durable cast aluminum model! Our direct replacement thermostat housing works with all factory and replacement thermostats. New O-rings included with the kit. 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! Application Notes Replaces Ford Part Number: RH315 (LC3Z8592B) and Dorman Part Number 902-1074 Fits the following vehicles: 2011-2025 F250 Super Duty 2011-2025 F350 Super Duty 2011-2025 F450 Super Duty 2011-2025 F550 Super Duty 2016-2019 F650 Super Duty 2016-2019 F750 Super Duty 2021-2026 F650 Super Duty 2021-2026 F750 Super Duty 2020-2025 F600 Super Duty
Installation InstructionsWarranty
Shipping information
We currently ship within the United States only. Most in-stock orders ship within 1 business day, and standard delivery takes 5-10 business days depending on your location. Shipping is calculated at checkout based on destination and item weight, and a tracking number is emailed to you once your order ships.
See our FAQ for full shipping details.
Returns & warranty
Returns are accepted within 14 days of delivery on new, unused, and uninstalled items in their original packaging. A 15% restocking fee applies, and a Return Merchandise Authorization (RMA) number must be requested before shipping any return. Some items are not eligible for return, including electronics, engine internals, turbo/supercharger kits, special orders, and Sale/Clearance items.
All products are covered by the original manufacturer's warranty. For returns or warranty help, email contact@sabaku-parts.com. Full details are in our FAQ.