Dayco 88357 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 88357

The Dayco Small I.D. Heater Hose 88357 is designed for reliable HVAC system performance in various vehicle models including Cadillac Eldorado, Chevrolet Malibu, and Ford Escort. Constructed from durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

• Material: EPDM for heat and chemical resistance
• Color: Black
• Inside Diameter: 3/4 inch on both ends
• Hose Type: Single I.D. hose
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk Height: 13 inches
• Compatible with multiple makes and models including Cadillac, Chevrolet, Ford, and Volkswagen

Detailed Product Description

The Dayco Small I.D. Heater Hose 88357 is engineered to meet stringent SAE specifications, including SAE J20R3 Class D-1 and SAE J1684 Type EC, ensuring it withstands the demands of automotive heating and cooling systems. Made from EPDM, this black hose offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for extended use in HVAC applications. Both ends feature a 3/4 inch inside diameter, providing a secure fit for compatible heater core and engine connections. The hose’s 13-inch trunk height allows for proper routing within the engine bay of vehicles such as the Chrysler Concorde, Lincoln Town Car, and Volkswagen Jetta.

Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on delivering precise fit and reliable performance for HVAC systems requiring smaller diameter hoses. This product line is tailored to meet OEM specifications for a variety of domestic and import vehicles, ensuring compatibility and durability. The 88357 part number is a representative example within this line, offering a balance of material quality and dimensional accuracy for effective heater hose replacement.

Common Applications and Problem Solving

• Replacement of cracked or leaking heater hoses in Cadillac Allante and Chevrolet Malibu
• Resolving coolant leaks causing HVAC system inefficiency in Ford Escort and Mercury Grand Marquis
• Addressing hose degradation due to heat exposure in Volkswagen Passat and Jetta
• Fixing improper hose fit or diameter mismatch in Chrysler Intrepid and Dodge Storm
• Preventing coolant contamination and maintaining proper heater core function in Lincoln Town Car

Installation Notes and Tips

• Verify hose inside diameter matches vehicle specifications (3/4 inch for both ends)
• Inspect surrounding components for wear or damage before installation
• Ensure proper routing to avoid kinks or contact with hot engine parts
• Use appropriate clamps to secure hose ends and prevent leaks
• Flush cooling system if necessary to remove debris before installing new hose

Quality Assurance and Warranty

Dayco’s Small I.D. Heater Hose 88357 is manufactured to meet SAE standards, ensuring consistent quality and performance. The EPDM material provides resistance to heat, ozone, and automotive fluids, contributing to the hose’s durability. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand’s commitment to automotive component reliability.