Dayco 88401 HVAC Heater Hose - Heater Inlet

Overview of Dayco Small I.D. Heater Hose 88401

The Dayco Small I.D. Heater Hose 88401 is designed for reliable HVAC system performance in select INFINITI and Nissan vehicles. Engineered with durable EPDM material and a protective sleeve, this hose ensures efficient heat transfer and long-lasting service in your vehicle's heating system.

• Constructed from high-quality EPDM material for heat and ozone resistance
• Black color with 3/4 inch inside diameter on both ends
• Single I.D. hose type with protective sleeve included
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with INFINITI I30 and Nissan Maxima models
• Trunk height dimension of 14 inches for proper fitment

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

The Small I.D. Heater Hose line by Dayco focuses on delivering precise fit and durability for HVAC applications requiring smaller inside diameter hoses. This product line emphasizes compliance with SAE standards to ensure compatibility and performance in heating systems. The 88401 hose includes a protective sleeve to guard against abrasion and environmental damage, making it suitable for the heating circuits of INFINITI I30 and Nissan Maxima vehicles.

Technical Description and Specifications

The Dayco 88401 heater hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and weathering, which is critical for HVAC hoses exposed to engine compartment conditions. Both ends of the hose have a 3/4 inch inside diameter, facilitating a secure connection within the heating system. The hose is a single I.D. type and includes a protective sleeve to enhance durability by preventing wear from contact with other components. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in INFINITI I30 and Nissan Maxima HVAC systems
• Prevention of coolant leaks that can cause heating system failure
• Mitigation of hose degradation due to heat and environmental exposure
• Restoration of proper coolant flow for effective cabin heating
• Addressing hose damage caused by abrasion or contact with engine components

Installation Notes and Tips

When installing the Dayco 88401 heater hose, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the 3/4 inch inside diameter matches the vehicle’s heater core and engine connections. The protective sleeve should be positioned to prevent abrasion against adjacent parts. Use appropriate clamps to secure the hose ends firmly and check for leaks after installation. It is recommended to replace any associated clamps or fittings if they show signs of wear.

Quality Assurance and Warranty

Dayco manufactures the 88401 Small I.D. Heater Hose to meet stringent SAE specifications, ensuring consistent quality and performance. The use of EPDM material and protective sleeve contributes to the hose’s durability under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry standards for reliability and are backed by the brand’s quality control processes.