Dayco 87976 HVAC Heater Hose - Heater To Pipe

Overview of Dayco Small I.D. Heater Hose 87976

The Dayco Small I.D. Heater Hose 87976 is designed specifically for Ford Expedition and Lincoln Navigator models. This branched HVAC heater hose is constructed from durable EPDM material, ensuring reliable performance in your vehicle's heating system.

• Material: EPDM for heat and ozone resistance
• Color: Black
• Branched hose design with three 5/8 inch inside diameter ends
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height: 16 1/2 inches
• Compatible with Ford Expedition and Lincoln Navigator

Dayco Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on delivering precise fitment and reliable HVAC hose solutions for specific vehicle applications. This product line emphasizes quality EPDM construction and adherence to SAE standards, providing a dependable replacement hose for heating systems in select Ford and Lincoln vehicles.

Detailed Product Description

The Dayco 87976 heater hose is a branched hose featuring three ends, each with a 5/8 inch inside diameter, designed to integrate seamlessly into the HVAC system of Ford Expedition and Lincoln Navigator models. Made from EPDM, this hose offers resistance to heat, ozone, and aging, which is critical for maintaining heater core performance and preventing leaks. The black color and SAE J20R3 Class D-1 and SAE J1684 Type EC compliance ensure that this hose meets industry standards for durability and safety. With a trunk height of 16 1/2 inches, it fits precisely within the designated engine compartment space.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Ford Expedition and Lincoln Navigator HVAC systems
• Resolving coolant leaks that cause heater core inefficiency
• Preventing overheating issues related to faulty heater hose connections
• Maintaining proper coolant flow for consistent cabin heating
• Addressing hose degradation due to heat and ozone exposure

Installation Notes and Tips

• Ensure the vehicle is cool before beginning installation to avoid burns from hot coolant
• Verify hose diameters and lengths match the original equipment to ensure proper fit
• Inspect hose clamps and replace if necessary to secure connections
• Flush the cooling system if contamination or debris is present before installing the new hose
• Check for leaks after installation by running the engine and monitoring the heater hose connections

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87976 to meet strict SAE specifications, including J20R3 Class D-1 and J1684 Type EC standards, ensuring reliable performance in HVAC applications. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to meet OEM requirements for durability and safety in Ford Expedition and Lincoln Navigator vehicles.