Dorman 626-738 lower radiator coolant hose for the 2014-2018 Chevrolet Silverado 1500 V6 4.3L, V8 5.3L or 6.2L and other vehicles carries coolant through a molded assembly with two branches. Original heater hose assemblies often fail because the plastic Y-connector cracks.
- Dorman OE FIX series: Y-connectors are aluminum for added durability
- Molded hose assembly with a protective sleeve attached
- Maximum working pressure of 100 psi and a maximum bend angle of 90 degrees
- No quick-connect fittings and no spring in the assembly
Quick facts
- Part: Dorman 626-738 radiator coolant hose
- Fits: 2014-2018 Chevrolet Silverado 1500 V6 4.3L, V8 5.3L or 6.2L and other vehicles
- Position: Lower
- Material: EPDM, plastic, metal
- Condition: New
Visible cracks at the Y-connector, coolant seepage, or a hose that feels soft or swollen when the engine is cool can mean the hose is wearing out. Coolant loss or overheating alone does not prove this hose is at fault; a leaking water pump is another common source.
Fits
This hose is a direct-fit replacement on vehicles that include the 2014-2018 Chevrolet Silverado 1500 V6 4.3L, V8 5.3L or 6.2L, the 2014-2018 GMC Sierra 1500 V6 4.3L, V8 5.3L or 6.2L, the 2015-2020 Chevrolet Tahoe V8 5.3L and the 2018-2020 Tahoe V8 6.2L. This listing is one hose, and a 2014-2018 GMC Sierra 1500 V8 5.3L takes one. If your truck or SUV is not named here, open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Position: lower
- Quantity per vehicle: 1
- End 1 inside diameter: 40 mm
- End 2 inside diameter: 25 mm
- End 3 inside diameter: 40 mm
- Centerline length: 3627.86 mm
- Axis 1 length: 2380.37 mm
- Axis 2 length: 1247.49 mm
- Branches: 2
Build and materials
- Type: molded hose assembly, standard replacement grade
- Material: EPDM, plastic, metal
- Protective sleeve: attached
- Maximum working pressure: 100 psi
- Maximum bend angle: 90 degrees
- Spring: none
- Condition: new
- Country of origin: China
In the box
One radiator coolant hose.
Installation notes
- Supplied with the necessary clamps for easy installation.
Interchange: 67162 · 24338 · 23126444
Frequently Asked Questions
Does the Dorman 626-738 lower radiator coolant hose fit the 2015-2020 Chevrolet Tahoe V8 5.3L?
Yes, Dorman 626-738 fits the 2015-2020 Chevrolet Tahoe V8 5.3L and the 2018-2020 Tahoe V8 6.2L; open the "Vehicles it fits" section to check your exact model and engine.
What size are the hose ends on the Dorman 626-738?
Dorman 626-738 has three ends with inside diameters of 40 mm, 25 mm and 40 mm, and the molded assembly has two branches.
Is the Y-connector on this radiator coolant hose aluminum or plastic?
Aluminum. This OE FIX hose swaps in an aluminum Y-connector for the plastic one that tends to crack on original heater hose assemblies.
What pressure and bend angle can this lower radiator coolant hose handle?
The maximum working pressure is 100 psi, and the maximum bend angle is 90 degrees.
Does this radiator coolant hose come with clamps?
Yes. The hose comes with the necessary clamps, and the package holds one radiator coolant hose.
