Dayco 72981 Radiator Coolant Hose

Overview of Dayco Curved Radiator Hose 72981

The Dayco Curved Radiator Hose 72981 is designed to provide reliable coolant flow for select Acura and Honda vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical operating conditions.

• Constructed from high-quality EPDM rubber for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 3/16 inches on both ends for uniform coolant flow
• Outside diameter of 1 17/32 inches on both ends for secure connections
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 12 1/2 inches for proper routing in engine bay
• Single inside diameter hose type for consistent coolant passage

Detailed Product Description

The Dayco Curved Radiator Hose 72981 is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a curved design that matches the original equipment specifications for Acura MDX, Honda Odyssey, Passport, Pilot, Ridgeline, and TLX models. Both ends of the hose have an inside diameter of 1 3/16 inches and an outside diameter of 1 17/32 inches, ensuring a secure and leak-free connection to the radiator and engine fittings. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The 12 1/2 inch trunk height allows for proper installation without interference in the engine compartment.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line is designed to provide precise fitment and reliable coolant flow for various vehicle applications. This product line focuses on hoses with specific bends and dimensions to match OEM requirements, reducing the risk of leaks and premature wear. The 72981 part is part of this line, offering a tailored solution for Acura and Honda vehicles that require a curved radiator coolant hose with consistent performance characteristics.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Acura MDX and Honda Pilot
• Resolving coolant leaks caused by hose deterioration in Honda Odyssey and Passport
• Maintaining proper coolant flow to prevent engine overheating in Honda Ridgeline
• Ensuring secure hose connections in Acura TLX cooling systems
• Addressing hose swelling or deformation due to heat exposure

Installation Notes and Tips

• Verify hose dimensions and fitment with your vehicle’s specifications before installation
• Ensure all clamps and fittings are clean and free of debris for a secure seal
• Replace any worn or damaged clamps during installation to prevent leaks
• Inspect the cooling system for other potential issues while replacing the hose
• Allow the engine to cool completely before removing the old hose to avoid burns

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72981 to meet industry standards including SAE J20R4 Class D-1 and SAE J1684 Type EC, ensuring durability and compatibility with specified Acura and Honda models. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain consistent performance and reliability.