HomeBelts and Cooling > Hoses and PipesDayco 70040 Radiator Coolant Hose - Lower - Connector To Engine or Lower - Main Radiator
Part #: 70040

Dayco 70040 Radiator Coolant Hose - Lower - Connector To Engine or Lower - Main Radiator

Curved Radiator Hose, Lower - Main Radiator and Lower - Connector To Engine
⚙️ 12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower - Main Radiator and Lower - Connector To Engine
🚗Fitment: Ram, 2500 and 3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Cooling Solution for Ram 2500 and 3500

The Dayco Curved Radiator Hose 70040 is designed specifically for Ram 2500 and 3500 models, providing a durable and precise fit for your vehicle's cooling system. This radiator coolant hose ensures efficient coolant flow and helps maintain optimal engine temperature under demanding conditions.

  • Compatible with Ram 2500 and 3500 models
  • Part number 70040 for exact replacement
  • Curved design for proper routing and fitment
  • Constructed to withstand high temperatures and pressure
  • Engineered to maintain coolant system integrity

About the Dayco Curved Radiator Hose Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that match the original equipment specifications for curvature and length. This ensures a seamless fit and reliable performance in the cooling system. The curved design helps prevent kinks and restrictions, promoting consistent coolant flow and reducing the risk of overheating in Ram 2500 and 3500 trucks.

Product Details and Application

The Dayco 70040 radiator coolant hose is manufactured to meet the exact requirements of Ram 2500 and 3500 vehicles. Its curved shape allows for proper installation without modification, maintaining the integrity of the cooling system. This hose is built to resist heat, pressure, and wear, which are common challenges in heavy-duty truck applications.

Common Issues Addressed by This Radiator Coolant Hose

  • Prevents coolant leaks caused by cracked or worn hoses
  • Eliminates overheating due to restricted coolant flow
  • Replaces hoses with improper fit or shape to avoid kinks
  • Maintains engine temperature stability under heavy load
  • Reduces risk of coolant system failure in Ram 2500 and 3500 trucks

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70040, ensure the engine is cool before removal of the old hose. Verify the hose routing matches the original to avoid interference with other engine components. Use proper clamps to secure the hose and check for leaks after installation. This hose is designed for direct replacement on Ram 2500 and 3500 models, requiring no modifications.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70040 to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, Dayco products typically undergo rigorous testing to comply with OEM specifications, offering confidence in fit and function for Ram 2500 and 3500 vehicles.

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018Ram25006.7LL6Lower - Connector To EngineCurved Radiator Hose
2018Ram35006.7LL6Lower - Connector To EngineCurved Radiator Hose
2017Ram25006.7LL6Lower - Connector To EngineCurved Radiator Hose
2017Ram35006.7LL6Lower - Connector To EngineCurved Radiator Hose
2016Ram25006.7LL6Lower - Connector To EngineCurved Radiator Hose
2016Ram35006.7LL6Lower - Connector To EngineCurved Radiator Hose
2015Ram25006.7LL6Lower - Main RadiatorCurved Radiator Hose
2015Ram35006.7LL6Lower - Main RadiatorCurved Radiator Hose
2014Ram25006.7LL6Lower - Main RadiatorCurved Radiator Hose
2014Ram35006.7LL6Lower - Main RadiatorCurved Radiator Hose
2013Ram25006.7LL6Lower - Main RadiatorCurved Radiator Hose
2013Ram35006.7LL6Lower - Main RadiatorCurved Radiator Hose

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