Dayco 87987 HVAC Heater Hose - Heater Inlet

Overview of Dayco Small I.D. Heater Hose 87987

The Dayco Small I.D. Heater Hose 87987 is designed for reliable HVAC system performance in Dodge Ram trucks. Engineered with durable EPDM material, this black heater hose ensures consistent heat transfer and fluid flow for Dodge Ram 1500, 2500, and 3500 models.

• Constructed from EPDM for heat and chemical resistance
• Black color for standard OEM appearance
• 5/8 inch inside diameter on both ends
• 31/32 inch outside diameter on both ends
• Single I.D. hose type for precise fit
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 34 inches for proper routing

Dayco 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 specific HVAC applications. This product line emphasizes compliance with SAE standards to ensure compatibility and durability in heating systems. The 87987 hose is part of this line, providing a precise fit and reliable performance for Dodge Ram HVAC systems.

Detailed Product Description

The Dayco 87987 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Its black color matches OEM specifications, maintaining the original equipment look. Both ends of the hose have a 5/8 inch inside diameter and a 31/32 inch outside diameter, making it suitable for HVAC heater core connections requiring a single inside diameter hose. The hose length, with a trunk height of 34 inches, supports proper installation and routing within the HVAC system. Compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards ensures the hose meets industry requirements for durability and performance.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Dodge Ram 1500, 2500, and 3500 HVAC systems
• Resolving coolant leaks affecting heater core performance
• Restoring proper heat transfer within the vehicle’s heating system
• Preventing hose collapse or blockage that can reduce heater efficiency
• Maintaining system pressure and fluid flow integrity

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns from hot coolant. Verify hose dimensions against the existing hose to confirm compatibility. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect surrounding components for wear or damage during replacement to maintain overall HVAC system integrity.

Quality Assurance

Dayco manufactures the 87987 heater hose to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides resistance to heat and automotive fluids, contributing to long service life. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability and durability.