Dayco 72374 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 72374

The Dayco Curved Radiator Hose 72374 is designed to provide reliable coolant flow for Chevrolet and GMC vans. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures consistent performance in demanding conditions.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• End 1 and End 2 inside diameter: 1 17/32 inches
• End 1 and End 2 outside diameter: 1 7/8 inches
• Includes a protective sleeve for added durability
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 18 1/2 inches for proper routing

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system requirements. This product line emphasizes durability and fitment accuracy, reducing the risk of leaks and coolant loss. The 72374 hose is part of this line, designed to meet the cooling needs of select Chevrolet and GMC Express and Savana models.

Detailed Product Description

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a single inside diameter design with both ends measuring 1 17/32 inches internally and 1 7/8 inches externally, ensuring a secure connection to the radiator and engine fittings. The inclusion of a protective sleeve enhances the hose's resistance to abrasion and external damage, extending its service life. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling systems.

Compatible Vehicles and Common Applications

• Chevrolet Express 1500, 2500, and 3500 models
• GMC Savana 1500, 2500, and 3500 models
• Replacement for worn or cracked radiator coolant hoses
• Addresses coolant leaks and overheating issues
• Used when upgrading to a more durable hose with protective sleeve

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Inspect hose connections and clamps for corrosion or damage and replace if necessary. Verify that the hose routing matches the original to avoid kinks or interference with other engine components. Tighten clamps securely but avoid over-tightening to prevent hose damage.

Quality Assurance and Warranty

Dayco manufactures this radiator hose to meet strict SAE specifications, ensuring reliable performance in cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and quality. Using this hose helps maintain the integrity of your Chevrolet or GMC cooling system.