Keep coolant flowing between the radiator and engine with the Dayco Radiator Coolant Hose 72374, a pre-formed curved lower hose. It installs as a direct-fit replacement for a wide range of GM full-size vans — including the 2004-2014 Chevrolet Express 1500 [V8-5.3L], 2004-2017 Chevrolet Express 2500 [V8-4.8L], 2004-2020 Chevrolet Express 2500 and 3500 [V8-6.0L], 2004-2014 GMC Savana 1500 [V8-5.3L], 2010 GMC Savana 2500/3500 [V8-6.6L], and the 2007 Winnebago Access [V8-6.0L]. See the "Vehicles it fits" section for the full list of covered applications and engines.
- EPDM construction: molded from black EPDM rubber for the routing this hose is shaped to serve.
- SAE rated: meets SAE J20R4 Class D-1 and SAE J1684 Type EC.
- Curved single-I.D. design: 1.53 in (1 17/32) inside diameter at each end, 1 7/8 in outside diameter, with an 18.5 in centerline length.
- Protective sleeve: includes a protective sleeve; no heat shield.
As a lower radiator hose, it carries coolant on the return path to the engine. Cracking, swelling, soft spots, or coolant seepage are signs a hose may need replacing. Made in Mexico.
Interchange: 24572L · 23127 · 62936 · 9788
Manufacturer part number 72374
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Dayco 72374 fit?
It fits many 2004-2020 Chevrolet Express and GMC Savana models, plus the 2007 Winnebago Access, with V8-4.8L, V8-5.3L, V8-6.0L, or V8-6.6L engines. See the "Vehicles it fits" section for the exact years and trims that apply to your vehicle.
Is this an upper or lower radiator hose?
This is a lower radiator coolant hose. It routes engine coolant on the return path between the radiator and the engine.
What is this hose made of?
It is molded from black EPDM rubber and meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.
What size is the Dayco 72374?
It has a 1.53 in (1 17/32) inside diameter at each end, a 1 7/8 in outside diameter, and an 18.5 in centerline length.
What numbers does this hose interchange with?
It cross-references to 24572L, 23127, 62936, and 9788. The manufacturer part number is Dayco 72374.
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