Dayco 72267 Radiator Coolant Hose - Upper

Durable Curved Radiator Hose for Chevrolet, GMC, Hummer, and Isuzu

The Dayco Curved Radiator Hose 72267 is engineered to provide reliable coolant flow for select Chevrolet, GMC, Hummer, and Isuzu vehicles. Designed with precision to meet specific fitment requirements, this radiator coolant hose ensures proper engine temperature regulation and system integrity.

Key Features of Dayco Radiator Coolant Hose 72267

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a consistent 1 9/32 inch inside diameter on both ends
• Single inside diameter hose type for uniform coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 8-1/2 inches for precise fitment
• Compatible with Chevrolet Canyon, Colorado, GMC Canyon, Colorado, Hummer H3, H3T, and Isuzu i-350, i-370 models

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses designed to accommodate specific engine bay configurations requiring curved routing. This product line emphasizes durability and compliance with SAE standards, ensuring that hoses like the 72267 maintain coolant system efficiency and withstand typical automotive operating conditions without the need for additional heat shields or protective sleeves.

Detailed Product Description

The Dayco 72267 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 9/32 inches, making it a single inside diameter hose that supports consistent coolant flow. The hose does not include a heat shield or protective sleeve, which is suitable for applications where additional protection is not required. Its trunk height of 8-1/2 inches ensures a proper fit within the engine compartment of compatible vehicles. This hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Canyon and Colorado models
• Restoring proper coolant flow in GMC Canyon and Colorado vehicles
• Addressing coolant leaks or hose swelling in Hummer H3 and H3T models
• Maintaining engine temperature regulation in Isuzu i-350 and i-370 trucks
• Preventing overheating caused by deteriorated or damaged radiator hoses

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose to avoid burns
• Check hose clamps and replace if corroded or damaged during installation
• Verify the hose routing matches the original to prevent kinks or interference
• Inspect surrounding components for wear or damage while installing the new hose
• Tighten clamps securely but avoid over-tightening to prevent hose damage

Quality Assurance and Warranty

Dayco manufactures the 72267 radiator coolant hose to meet stringent SAE specifications, ensuring consistent performance and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Users should consult product documentation or authorized sources for warranty information related to this part.