Dayco 88399 HVAC Heater Hose - Intake Manifold To Heater or Pipe To Reservoir

Overview of Dayco Small I.D. Heater Hose 88399

The Dayco Small I.D. Heater Hose 88399 is designed to provide reliable heating system performance for select Chrysler, Dodge, and Saturn vehicles. Engineered with durable EPDM material and a protective sleeve, this hose ensures consistent operation in demanding automotive HVAC applications.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with a single inside diameter hose design
• End 1 and End 2 inside diameter both measure 23/32 inches
• Includes a protective sleeve for added durability
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height dimension of 10 inches

Detailed Product Description

The Dayco Small I.D. Heater Hose 88399 is part of the Small I.D. Heater Hose product line, which focuses on delivering precise fit and reliable performance for HVAC systems in various vehicles. This hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections. The hose features a consistent 23/32 inch inside diameter on both ends, ensuring a secure and leak-free fit. Additionally, the protective sleeve enhances the hose's durability by shielding it from abrasion and external damage. This hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems.

Compatible Vehicles and Applications

This heater hose is compatible with several Chrysler, Dodge, and Saturn models, including:

• Chrysler 300M, Concorde, Intrepid, LHS
• Dodge SC2, SL2, SW2
• Saturn SC2, SL2, SW2

It is designed to replace worn or damaged heater hoses in these vehicles, helping to maintain proper coolant flow and heating system efficiency.

Common Issues Addressed by Dayco 88399 Heater Hose

• Leaking or cracked heater hoses causing coolant loss
• Reduced heater core performance due to hose deterioration
• Overheating issues related to compromised coolant flow
• Hose abrasion or damage from engine compartment exposure
• Non-compliance with SAE specifications leading to premature failure

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 88399, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose diameter matches the heater core and engine fittings. The protective sleeve should be positioned to prevent abrasion against nearby components. Inspect clamps and connections for tightness to avoid leaks. Proper routing is essential to prevent kinks or contact with hot engine parts.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 88399 to meet stringent SAE standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to reliability.