HomeHVAC > Hoses and PipesDayco 88402 HVAC Heater Hose - Heater Outlet
Part #: 88402

Dayco 88402 HVAC Heater Hose - Heater Outlet

Small I.D. Heater Hose, Heater Outlet
⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Heater Outlet
🚗Fitment: INFINITI and Nissan, I35, Altima, Maxima, and I30
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Small I.D. Heater Hose 88402

The Dayco Small I.D. Heater Hose 88402 is designed for reliable HVAC system performance in select Nissan and INFINITI vehicles. Engineered with durable EPDM material and a protective sleeve, this hose ensures consistent heat transfer and long service life 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
  • Includes a protective sleeve for added durability
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type suitable for HVAC heater applications

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 performance for HVAC systems requiring smaller diameter hoses. This product line emphasizes material quality and compliance with SAE standards to ensure compatibility and durability in heating and cooling applications. The 88402 hose exemplifies these qualities with its EPDM construction and protective sleeve, making it suitable for specific Nissan and INFINITI models.

Product Description and Specifications

The Dayco 88402 heater hose is a single inside diameter hose with both ends measuring 3/4 inch, designed to facilitate efficient coolant flow within the HVAC system. Its EPDM rubber construction offers resistance to heat, ozone, and aging, which is critical for maintaining heater core performance. The hose is black in color and includes a protective sleeve to guard against abrasion and environmental damage. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.

Compatible Vehicles and Common Applications

  • Compatible with Nissan Altima, I30, I35, and Maxima models
  • Compatible with INFINITI I30 and I35 models
  • Used in HVAC heater core coolant lines
  • Replaces worn or cracked heater hoses causing coolant leaks
  • Addresses heater core flow restrictions due to hose degradation

Installation Notes and Tips

  • Ensure the vehicle is cool before removing the old heater hose
  • Check hose routing to avoid kinks or sharp bends during installation
  • Use appropriate clamps to secure the hose ends firmly
  • Inspect surrounding components for wear or damage during replacement
  • Verify no leaks after installation by running the engine and checking the HVAC system

Quality Assurance and Warranty

Dayco manufactures the 88402 Small I.D. Heater Hose to meet strict SAE specifications, ensuring consistent quality and performance. The EPDM material and protective sleeve contribute 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 fitment in OEM replacement applications.

BrandDayco
Part Number88402
PositionSmall I.D. Heater Hose, Heater Outlet
ColorBlack
Contains Protective SleeveY
End 1 Inside Diameter3/4
End 2 Inside Diameter3/4
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R3 Class D-1, SAE J1684 Type EC
Trunk Height17

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004INFINITII35Heater OutletSmall I.D. Heater Hose
2003INFINITII35Heater OutletSmall I.D. Heater Hose
2003NissanAltima3.5LV6Heater OutletSmall I.D. Heater Hose
2003NissanMaximaHeater OutletSmall I.D. Heater Hose
2002INFINITII35Heater OutletSmall I.D. Heater Hose
2002NissanAltima3.5LV6Heater OutletSmall I.D. Heater Hose
2002NissanMaximaHeater OutletSmall I.D. Heater Hose
2001INFINITII30Heater OutletSmall I.D. Heater Hose
2001NissanMaximaHeater OutletSmall I.D. Heater Hose
2000INFINITII30Heater OutletSmall I.D. Heater Hose
2000NissanMaximaHeater OutletSmall I.D. Heater Hose
1999INFINITII30Heater OutletSmall I.D. Heater Hose
1999NissanMaximaHeater OutletSmall I.D. Heater Hose
1998INFINITII30Heater OutletSmall I.D. Heater Hose
1998NissanMaximaHeater OutletSmall I.D. Heater Hose
1997INFINITII30Heater OutletSmall I.D. Heater Hose
1997NissanMaximaHeater OutletSmall I.D. Heater Hose
1996INFINITII30Heater OutletSmall I.D. Heater Hose
1996NissanMaximaHeater OutletSmall I.D. Heater Hose
1995NissanMaximaHeater OutletSmall I.D. Heater Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

18162L18412L

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.