Dayco 87307 HVAC Heater Hose - Lower or Throttle Body To Engine

Overview of Dayco Small I.D. Heater Hose 87307

The Dayco Small I.D. Heater Hose 87307 is designed for reliable HVAC system performance in select Chevrolet, Pontiac, and Toyota vehicles. This hose provides a precise 1/2 inch inside diameter, ensuring proper coolant flow for heating applications in models like the Camaro, Firebird, Land Cruiser, Sequoia, and Tundra.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color for standard OEM appearance
• Single inside diameter hose with 1/2 inch ends on both sides
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 5 1/4 inches for proper fitment

Dayco Small I.D. Heater Hose Product Line Details

The Small I.D. Heater Hose line by Dayco focuses on delivering hoses with precise inside diameters tailored for HVAC heater core connections. This product line emphasizes compliance with SAE standards such as J20R3 and J1684, ensuring compatibility and durability in heating systems. The 87307 hose is part of this line, providing a reliable replacement option for vehicles requiring a 1/2 inch single inside diameter hose without additional heat shields or protective sleeves.

Technical Description and Specifications

The Dayco 87307 heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for HVAC applications. Both ends of the hose have a 1/2 inch inside diameter, designed as a single I.D. hose type. It does not include a heat shield or protective sleeve, which aligns with many OEM configurations. The hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating systems. Its black color and 5 1/4 inch trunk height ensure proper fit and appearance in the engine bay.

Compatible Vehicles and Common Applications

• Chevrolet Camaro HVAC heater hose replacement
• Pontiac Firebird heater core hose repair
• Toyota Land Cruiser heater hose maintenance
• Toyota Sequoia HVAC system hose replacement
• Toyota Tundra heater hose installation

Installation Notes and Tips

When installing the Dayco 87307 heater hose, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the 1/2 inch inside diameter matches the vehicle’s heater core and engine fittings. Use appropriate clamps to secure the hose ends and check for leaks after installation. Since this hose does not include a heat shield or protective sleeve, inspect surrounding components for heat exposure and consider additional protection if necessary.

Quality Assurance and Warranty

Dayco manufactures the 87307 Small I.D. Heater Hose to meet strict SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For precise warranty information, refer to Dayco’s official documentation or contact authorized distributors.