Dayco 72302 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 72302

The Dayco Curved Radiator Hose 72302 is designed specifically for Lexus and Toyota vehicles, including the 4Runner and GX470 models. This radiator coolant hose ensures reliable coolant flow with precise fitment and durable construction.

• Constructed from EPDM material for heat and chemical resistance
• Black color with a curved design for optimal routing
• Inside diameter of 1 7/16 inches on both ends
• Single inside diameter hose type for consistent coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 17-1/2 inches for proper clearance

Detailed Product Description

The Dayco Curved Radiator Hose 72302 is engineered from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a consistent inside diameter of 1 7/16 inches on both ends, ensuring a secure and leak-free connection within the cooling system. The curved design facilitates proper coolant routing in the engine bay of Lexus 4Runner and Toyota GX470 vehicles, maintaining efficient engine temperature regulation.

As part of Dayco's Curved Radiator Hose product line, this hose is manufactured to meet stringent SAE J20R4 Class D-1 and SAE J1684 Type EC standards, which define performance requirements for coolant hoses in automotive applications. The hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable design suitable for the specified vehicle models.

Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Lexus 4Runner and Toyota GX470
• Prevention of coolant leaks that can cause engine overheating
• Restoration of proper coolant flow to maintain engine temperature stability
• Addressing hose swelling or softening due to age or chemical exposure
• Ensuring compatibility with factory cooling system specifications

Installation Notes and Tips

• Verify hose dimensions and fitment with your vehicle’s cooling system before installation
• Ensure clamps are properly tightened to prevent leaks without damaging the hose
• Inspect adjacent components for wear or damage during replacement
• Replace coolant and bleed the system as recommended after hose installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72302 to meet industry SAE standards, ensuring reliable performance in Lexus 4Runner and Toyota GX470 cooling systems. While specific warranty details are not provided, Dayco products typically adhere to quality control processes to maintain durability and fitment accuracy.