Dorman - OE Solutions Engine Coolant Overflow Hose P/N:626-740
Dorman 626-749 coolant overflow hose for the 2017-2019 Ford F-250 Super Duty V8 6.7L and other vehicles carries overflow coolant. Original coolant overflow hose assemblies often fail from cracks in the plastic T-connector, which this replacement addresses.
A cracked connector or a split hose can show up as coolant seepage, a low coolant level or a coolant smell. A leaking reservoir, a worn radiator cap or a failing water pump can be behind those signs too, so find the cause before buying. Check the coolant level only with the engine cool.
This coolant overflow hose is a direct-fit replacement for the 2017-2019 Ford F-350 Super Duty V8 6.7L and the 2017-2019 Ford F-450 Super Duty V8 6.7L. The 2017-2019 Ford F-450 Super Duty V8 6.7L takes one.
Fit and size
Build and materials
One coolant overflow hose assembly with its heat shield. Clamps and a protective sleeve are not included, and the old clamps may not be reusable, so plan on new clamps.
Interchange: HC3Z8075D · HC3Z8075K
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Does the Dorman 626-749 coolant overflow hose fit the 2017-2019 Ford F-250 Super Duty V8 6.7L?
Yes. Dorman 626-749 fits the 2017-2019 Ford F-250 Super Duty V8 6.7L and other vehicles. If your truck is a different one, look up its year and engine in the "Vehicles it fits" section.
Does this coolant overflow hose come with clamps?
No. The assembly comes with its heat shield, but clamps and a protective sleeve are not included, so get clamps separately.
How long is the Dorman 626-749 coolant overflow hose and what size are its ends?
Dorman 626-749 is 46 in long with a 0.35 in inside diameter at all three ends. The outside diameter is 0.63 in at ends 1 and 2 and 0.65 in at end 3.
How can I tell if my engine coolant overflow hose has a cracked T-connector?
Coolant seepage around the connector, a visible crack in it or a falling coolant level can mean the connector is failing. Look only with the engine cool; a shop can pressure-test the system.
Why does the Dorman OE FIX coolant overflow hose use an aluminum T-connector?
The plastic T-connector on original assemblies tends to crack. Dorman 626-749 uses an upgraded aluminum T-connector for added durability, intended to prevent similar failures.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.