Dayco 87981 HVAC Heater Hose - Heater Inlet

Overview of Dayco Small I.D. Heater Hose 87981

The Dayco Small I.D. Heater Hose 87981 is designed specifically for HVAC systems in Dodge and Jeep vehicles, including the Liberty and Nitro models. Constructed from durable EPDM material, this hose ensures reliable performance in heating applications.

• Made from high-quality EPDM rubber for heat and ozone resistance
• Black color with a protective sleeve for added durability
• Single inside diameter hose with 5/8 inch I.D. on both ends
• Outside diameter of 1 inch on both ends for secure connections
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Dodge Liberty and Jeep Nitro HVAC systems

Detailed Product Description

The Dayco Small I.D. Heater Hose 87981 is engineered to meet the demanding requirements of automotive heating systems. Its EPDM construction provides excellent resistance to heat, ozone, and coolant chemicals, making it suitable for continuous use in HVAC heater cores. The hose features a single inside diameter of 5/8 inch on both ends, with an outside diameter of 1 inch, ensuring a precise fit and secure connection. Additionally, the hose includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. This hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating applications.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line from Dayco focuses on providing reliable, OEM-quality hoses designed for smaller diameter heater core connections. These hoses are crafted to meet strict SAE specifications, ensuring compatibility and durability in various vehicle HVAC systems. The 87981 part number is part of this line, offering a balance of flexibility and strength for Dodge Liberty and Jeep Nitro models.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Dodge Liberty and Jeep Nitro HVAC systems
• Prevention of coolant leaks that can cause heating system failure
• Restoration of proper coolant flow to the heater core
• Elimination of hose swelling or softening due to heat exposure
• Protection against abrasion with the included protective sleeve

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old heater hose to avoid burns
• Check hose connections for corrosion or damage before installation
• Use proper clamps to secure the hose ends and prevent leaks
• Verify the hose routing matches OEM specifications to avoid kinks or interference
• Inspect the protective sleeve for damage during installation and replace if necessary

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87981 to meet stringent SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive applications.