Dayco 87986 HVAC Heater Hose - Heater Outlet

Durable HVAC Heater Hose for Dodge Ram Trucks

The Dayco Small I.D. Heater Hose 87986 is engineered to provide reliable heating system performance for Dodge Ram 1500, Ram 2500, and Ram 3500 models. Designed with quality EPDM material, this hose ensures long-lasting durability and resistance to heat and chemicals.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with consistent 5/8 inch inside diameter on both ends
• Single I.D. hose type meeting SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• 1 inch outside diameter on both ends for secure fitment
• Compatible with Dodge Ram 1500, 2500, and 3500 models

About the Dayco Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing precise fit and reliable performance for heating and cooling systems in various vehicles. This product line emphasizes hoses with smaller inside diameters, such as the 5/8 inch size found in part number 87986, to meet specific OEM requirements and ensure proper coolant flow within HVAC systems.

Technical Details and Specifications

Dayco part number 87986 features a single inside diameter hose design with both ends measuring 5/8 inch inside diameter and 1 inch outside diameter. The hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses. This hose does not include a heat shield or protective sleeve, making it suitable for applications where additional protection is not required.

Common Applications and Problem Solving

• Replacement of worn or cracked heater hoses in Dodge Ram 1500, 2500, and 3500 HVAC systems
• Resolving coolant leaks that cause heating inefficiency or engine overheating
• Addressing hose swelling or softening due to chemical exposure or heat degradation
• Maintaining proper coolant flow within the vehicle’s heating system
• Ensuring a secure and leak-free connection with OEM-sized hose diameters

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87986, ensure the hose is cut to the correct length and securely clamped at both ends to prevent leaks. Verify that the 5/8 inch inside diameter matches the vehicle’s heater core and engine fittings. Avoid twisting or kinking the hose during installation to maintain proper coolant flow. Inspect surrounding components for wear or damage that may affect hose longevity.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87986 to meet strict SAE specifications, ensuring consistent quality and performance. The EPDM material and adherence to SAE J20R3 Class D-1 and SAE J1684 Type EC standards provide confidence in durability and heat resistance. Warranty details should be confirmed with the original equipment manufacturer or supplier.