Keep coolant circulating between the radiator and engine with the Dayco Radiator Coolant Hose 70040, a curved radiator hose that installs as a direct-fit replacement on the 2013-2018 RAM 2500, 3500, 4500, and 5500 with the L6-6.7L engine. It carries coolant between the radiator and engine so the cooling system can move heat away from the engine.
- EPDM construction: made from black EPDM rubber for the underhood coolant environment.
- Curved radiator hose: curved shape to route coolant through the engine bay.
- Dual I.D. hose: End 1 offers inside diameters of 1 3/4 in and 2 in; End 2 offers 2 in and 1.75 in, with a 12 in centerline length.
- SAE rated: meets SAE J20R4 Class D-1 and SAE J1684 Type EC.
- Protective sleeve included; no heat shield.
Country of origin: Pakistan. Manufacturer part number 70040.
Fitment: 2013-2018 RAM 2500, 3500, 4500, and 5500 [L6-6.7L]. See the "Vehicles it fits" section to confirm your vehicle.
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does this hose fit?
It is a direct-fit replacement for the 2013-2018 RAM 2500, 3500, 4500, and 5500 with the L6-6.7L engine. Check the "Vehicles it fits" section to confirm your vehicle.
What is this radiator hose made of?
It is made from black EPDM rubber and meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.
What are the hose inside diameters?
It is a dual I.D. hose: End 1 provides 1 3/4 in and 2 in inside diameters, and End 2 provides 2 in and 1.75 in, with a 12 in centerline length.
Does it include a heat shield or protective sleeve?
It includes a protective sleeve. It does not include a heat shield.
What are signs this radiator hose may need replacing?
Coolant leaks, visible cracks, soft or swollen spots, or engine overheating can indicate a failing hose. Diagnose the cause before replacing.
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