Dayco 87312 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87312

The Dayco Small I.D. Heater Hose 87312 is designed for reliable HVAC system performance in various vehicle models. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1/2 inch ID on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Chevrolet, Geo, GMC, Mercedes-Benz, Pontiac, Suzuki, and Toyota models
• Part of the Dayco Small I.D. Heater Hose product line designed for HVAC applications

Detailed Product Description

This Dayco Small I.D. Heater Hose 87312 is a single inside diameter hose with a consistent 1/2 inch inside diameter on both ends, making it suitable for precise HVAC heater core connections. The hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, ensuring durability and long service life. It does not include a heat shield or protective sleeve, which is typical for this hose type and application. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems.

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose product line focuses on providing reliable HVAC heater hoses with precise inside diameters for proper fitment and performance. These hoses are engineered to meet stringent SAE specifications, ensuring compatibility and durability across a range of vehicle makes and models. The 87312 part number is a representative example, offering consistent quality and fit for various automotive heating system needs.

Compatible Vehicles and Applications

• Chevrolet Corvette and Tracker models
• Geo Firefly, Metro, and Sprint
• GMC Forsa and Sunrunner
• Mercedes-Benz 190E
• Pontiac Firefly
• Suzuki Sidekick and Swift
• Toyota Cressida and Land Cruiser

Common Issues Addressed by Dayco 87312 Heater Hose

• Replacement of cracked or leaking heater hoses causing coolant loss
• Resolving heater core flow restrictions due to hose degradation
• Preventing overheating issues related to faulty HVAC hose connections
• Eliminating coolant contamination from deteriorated hose material
• Maintaining proper heater system pressure and temperature regulation

Installation Notes and Tips

Ensure the hose is cut to the correct length and securely clamped at both ends to prevent leaks. Verify that the 1/2 inch inside diameter matches the vehicle’s heater core and engine fittings. Inspect surrounding components for wear or damage during installation. Avoid twisting or kinking the hose to maintain proper coolant flow.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87312 to meet SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by manufacturer support for defects in material and workmanship.