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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.
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
Fits the following vehicles:
2011-2026 F250 Super Duty
2011-2026 F350 Super Duty
2011-2026 F450 Super Duty
2011-2026 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
Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717