Dayco 72429 HVAC Heater Hose - Filler Reservoir To Radiator, Lower or Reservoir To Radiator

Overview of Dayco Curved Radiator Hose 72429

The Dayco Curved Radiator Hose 72429 is designed for reliable HVAC system performance in Ford and Mercury vehicles. Engineered with durable EPDM material and a protective sleeve, this hose supports efficient coolant flow in select Explorer and Mountaineer models.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Single inside diameter hose with 1 inch ID on both ends
• Outside diameter measures 1 11/32 inches on both ends
• Includes a protective sleeve for added durability
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 28 1/2 inches for proper routing

Detailed Product Description

The Dayco Curved Radiator Hose 72429 is part of the Curved Radiator Hose product line, which focuses on delivering hoses designed to fit specific vehicle HVAC systems with precision. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, ensuring long-lasting performance under demanding engine conditions. The hose features a single inside diameter of 1 inch on both ends, with an outside diameter of 1 11/32 inches, making it suitable for consistent coolant flow and secure connections.

Equipped with a protective sleeve, this hose offers additional protection against abrasion and environmental damage, although it does not include a heat shield. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive HVAC applications. The trunk height of 28 1/2 inches allows for proper installation and routing within the vehicle’s engine compartment.

Compatible Vehicles and Applications

This Dayco Curved Radiator Hose 72429 is compatible with the following makes and models:

• Ford Explorer
• Ford Explorer Sport
• Ford Explorer Sport Trac
• Mercury Mountaineer

It is designed specifically for HVAC heater hose applications, ensuring efficient coolant transfer and heater core performance in these vehicles.

Common Issues Addressed by This Hose

• Replacement of cracked or leaking heater hoses
• Prevention of coolant leaks that cause engine overheating
• Restoration of proper coolant flow to the heater core
• Protection against hose abrasion and premature wear
• Ensuring compliance with OEM specifications for HVAC hoses

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72429, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the hose ends fit securely on the corresponding fittings with proper clamps. Inspect the protective sleeve for any damage before installation. This hose does not include a heat shield, so avoid contact with high-temperature engine components. Always replace hoses in pairs or as recommended by the vehicle manufacturer for balanced system performance.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72429 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring reliable performance in HVAC systems. The use of EPDM material and protective sleeve enhances durability and resistance to environmental factors. Warranty information is provided by Dayco and should be confirmed at the time of purchase.