Dayco 87951 HVAC Heater Hose - Heater To Tee (Outlet)

Overview of Dayco Small I.D. Heater Hose 87951

The Dayco Small I.D. Heater Hose 87951 is designed specifically for Toyota RAV4 models, providing reliable performance in your vehicle's HVAC system. Made from durable EPDM material, this hose ensures consistent heat transfer and resistance to wear.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color for standard OEM appearance
• 5/8 inch inside diameter on both ends for precise fitment
• 31/32 inch outside diameter on both ends
• Single I.D. hose type compliant with SAE J20R3 Class D-1 and SAE J1684 Type EC standards
• Trunk height of 18 inches suitable for specific routing in Toyota RAV4

Details on the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on delivering hoses with smaller inside diameters tailored for HVAC applications. This product line emphasizes compliance with SAE specifications to ensure durability and compatibility with vehicle heating systems. The 87951 part exemplifies this line by offering a precise fit and material quality suited for Toyota RAV4 heater hose replacement needs.

Product Description and Specifications

The Dayco 87951 heater hose is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 5/8 inch inside diameter and a 31/32 inch outside diameter, making it a single I.D. hose designed for efficient coolant flow within the HVAC system. It does not include a heat shield or protective sleeve, which is typical for this hose type and application. The hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.

Common Applications and Problem Solving

• Replacement of worn or cracked heater hoses in Toyota RAV4 HVAC systems
• Resolving coolant leaks that affect cabin heating performance
• Addressing hose degradation due to heat exposure and chemical contact
• Maintaining proper coolant flow to the heater core
• Preventing overheating issues related to faulty heater hoses

Installation Notes and Tips

When installing the Dayco 87951 heater hose, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose routing matches the original to avoid kinks or interference with other components. Use appropriate clamps to secure the hose ends and check for leaks after installation. The 18-inch trunk height should be considered to confirm proper fit within the Toyota RAV4 HVAC layout.

Quality Assurance and Warranty

Dayco manufactures the 87951 heater hose to meet strict SAE standards, ensuring reliable performance and durability. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to automotive replacement parts standards.