Dayco 88423 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 88423

The Dayco Small I.D. Heater Hose 88423 is designed to provide reliable performance in HVAC systems for select Acura, Chevrolet, Ford, GMC, Mercury, Nissan, and Saturn vehicles. This hose is engineered to meet specific SAE standards, ensuring durability and compatibility with various models including the Astro, CL, Ion, Murano, Sable, Safari, and Taurus.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color for standard OEM appearance
• 3/4 inch inside diameter on both ends for consistent flow
• Single inside diameter hose type for straightforward installation
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height dimension of 13 inches
• Does not include heat shield or protective sleeve

Details on the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing precise fitment and reliable HVAC hose solutions with a single inside diameter design. This product line is tailored to meet the demands of various vehicle heating systems, offering hoses that comply with industry SAE standards for pressure and temperature resistance. The 88423 part number is a representative component within this line, engineered for consistent performance in multiple vehicle makes and models.

Technical Description and Specifications

The Dayco 88423 heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 3/4 inch inside diameter, ensuring compatibility with OEM fittings and maintaining proper coolant flow. The hose is black in color and designed as a single inside diameter hose, simplifying installation and replacement. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, which specify requirements for coolant heater hoses in automotive applications. The trunk height of 13 inches provides a suitable length for routing in the HVAC system of compatible vehicles.

Compatible Vehicles and Common Applications

• Replacement heater hose for Acura CL models
• Heater hose compatible with Chevrolet Astro and Sable
• Suitable for Ford Taurus and Mercury Sable HVAC systems
• Fits Nissan Murano and Saturn Ion heater hose connections
• Applicable for GMC Safari heater hose replacement

Installation Notes and Tips

When installing the Dayco 88423 heater hose, ensure the hose is routed without kinks or sharp bends to maintain proper coolant flow. Verify that the 3/4 inch inside diameter matches the vehicle’s heater core and fitting sizes. Since this hose does not include a heat shield or protective sleeve, inspect the surrounding components for potential abrasion points and add protective measures if necessary. Use appropriate clamps to secure the hose ends firmly and check for leaks after installation.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 88423 to meet stringent SAE specifications, 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 HVAC applications.