Dayco 74335 Radiator Coolant Hose - Lower

Brand	Dayco 74335
Position	Lower
Product line	Curved Radiator Hose
Fits	Ford · 6 vehicles

Curved design. Helps route coolant smoothly through the hose path.

Radiator coolant hose. A direct replacement for the cooling system hose.

$87.14Free shipping

In stock · usually ships same day before 1pm CST

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Dayco 74335 Lower Curved Radiator Hose

The Dayco 74335 is a lower curved radiator hose for select Ford Super Duty diesel cooling applications. It is built for direct replacement use on the 2017-2019 Ford F-250 Super Duty and 2017-2019 Ford F-350 Super Duty, with fitment listed for the lower hose position.

Key Features

Curved radiator hose design for lower cooling-system routing
Direct-fit replacement for select Ford Super Duty trucks
Fits 2017-2019 Ford F-250 Super Duty, lower
Fits 2017-2019 Ford F-350 Super Duty, lower
Dayco part number 74335 for catalog and service matching

Product Details

Dayco Curved Radiator Hose 74335 is a radiator coolant hose intended for the lower hose location on select Ford F-250 Super Duty and Ford F-350 Super Duty models from 2017 through 2019. The curved shape supports the factory hose path in the cooling system, making it a practical replacement when servicing a worn, cracked, or leaking lower radiator hose. If you are searching for a lower radiator hose for 2017-2019 Ford F-250 Super Duty or 2017-2019 Ford F-350 Super Duty, this part number provides a direct fit reference.

Common Issues This Part Addresses

Coolant seepage at the lower radiator hose
Cracking, hardening, or swelling of the existing hose
Loss of coolant from age-related hose deterioration
Improper hose routing caused by a damaged replacement hose
Cooling-system service on Ford Super Duty trucks

Installation Notes and Tips

Verify the lower hose position and match the vehicle year, make, and model before installation. Inspect hose clamps, radiator necks, and adjoining coolant passages for wear or corrosion during service. Confirm the hose routing follows the factory path on the 2017-2019 Ford F-250 Super Duty and 2017-2019 Ford F-350 Super Duty before refilling and bleeding the cooling system.

Quality Assurance

Dayco is a recognized name in automotive belts and cooling components, and part number 74335 is cataloged for the listed Ford Super Duty applications. This part cross-references Dayco 74335 for the same application.

This part fits 6 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Position	Notes
2019	Ford	F-250 Super Duty	6.7L	V8	Lower	Curved Radiator Hose
2019	Ford	F-350 Super Duty	6.7L	V8	Lower	Curved Radiator Hose
2018	Ford	F-250 Super Duty	6.7L	V8	Lower	Curved Radiator Hose
2018	Ford	F-350 Super Duty	6.7L	V8	Lower	Curved Radiator Hose
2017	Ford	F-250 Super Duty	6.7L	V8	Lower	Curved Radiator Hose
2017	Ford	F-350 Super Duty	6.7L	V8	Lower	Curved Radiator Hose
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