HomeHVAC > Hoses and PipesDayco 87823 HVAC Heater Hose - Heater Outlet, Heater To Tee or Reservoir To Engine
Part #: 87823

Dayco 87823 HVAC Heater Hose - Heater Outlet, Heater To Tee or Reservoir To Engine

Small I.D. Heater Hose, Heater Outlet, Reservoir To Engine, and Heater To Tee
⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Heater Outlet, Reservoir To Engine, and Heater To Tee
🚗Fitment: Acura, Honda, Mazda, and Saturn, 3, Accord, Crosstour, L300, LS2, LW2, LW300, and TSX
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Reliable HVAC Heater Hose for Acura, Honda, Mazda, and Saturn

The Dayco Small I.D. Heater Hose 87823 is engineered to meet the specific needs of select Acura, Honda, Mazda, and Saturn models. Designed with durable EPDM material and a dual inside diameter configuration, this hose ensures efficient heater core performance and long-lasting service.

Key Features of Dayco Small I.D. Heater Hose 87823

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Dual inside diameters: 5/8 inch on one end and 3/4 inch on the other
  • Black color with protective sleeve for added durability
  • Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 16 inches for precise fitment
  • Compatible with multiple Acura, Honda, Mazda, and Saturn models

Detailed Description of the Small I.D. Heater Hose

The Dayco Small I.D. Heater Hose part number 87823 is part of the Small I.D. Heater Hose product line, which focuses on delivering hoses with smaller inside diameters tailored for specific HVAC applications. This hose features a dual inside diameter design, with one end measuring 5/8 inch and the other 3/4 inch, allowing for versatile connection points within the vehicle's heating system. Made from EPDM material, it offers resistance to heat, ozone, and coolant chemicals, ensuring durability under demanding engine compartment conditions. The hose includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. Meeting SAE J20R3 Class D-1 and SAE J1684 Type EC standards, it adheres to industry requirements for heater hoses.

Applications and Common Issues Addressed

  • Replacement of worn or cracked heater hoses in Acura Accord, Honda Crosstour, Mazda L300, and Saturn LS2 models
  • Prevention of coolant leaks that can cause engine overheating
  • Restoration of proper heater core flow for effective cabin heating
  • Mitigation of hose degradation due to heat and chemical exposure
  • Ensuring secure connections with dual inside diameter ends for specific HVAC configurations

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87823, verify the correct orientation of the dual inside diameter ends to match the vehicle’s heater core and engine connections. Inspect hose clamps and replace if necessary to ensure a secure, leak-free fit. The protective sleeve should be positioned to minimize abrasion from surrounding components. Always drain the cooling system before removal and refill with the appropriate coolant after installation.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87823 to meet strict SAE specifications, ensuring reliable performance in HVAC systems. The EPDM material and protective sleeve contribute to the hose’s durability and resistance to common failure modes. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability.

BrandDayco
Part Number87823
PositionSmall I.D. Heater Hose, Heater Outlet, Reservoir To Engine, and Heater To Tee
MaterialEpdm
ColorBlack
End 1 Inside Diameter5/8
End 2 Inside Diameter3/4
Contains Heat ShieldN
Contains Protective SleeveY
Hose TypeDual i.d. hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height16

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015HondaCrosstour2.4LL4Heater OutletSmall I.D. Heater Hose
2014AcuraTSX2.4LL4Heater OutletSmall I.D. Heater Hose
2014HondaCrosstour2.4LL4Heater OutletSmall I.D. Heater Hose
2013AcuraTSX2.4LL4Heater OutletSmall I.D. Heater Hose
2013HondaCrosstour2.4LL4Heater OutletSmall I.D. Heater Hose
2012AcuraTSX2.4LL4Heater OutletSmall I.D. Heater Hose
2012HondaAccord2.4LL4Heater OutletSmall I.D. Heater Hose
2012HondaCrosstour2.4LL4Heater OutletSmall I.D. Heater Hose
2011AcuraTSX2.4LL4Heater OutletSmall I.D. Heater Hose
2011HondaAccord2.4LL4Heater OutletSmall I.D. Heater Hose
2010HondaAccord2.4LL4Heater OutletSmall I.D. Heater Hose
2009Mazda32.0LL4Heater To TeeSmall I.D. Heater Hose
2009Mazda32.3LL4Heater To TeeSmall I.D. Heater Hose
2008Mazda32.0LL4Heater To TeeSmall I.D. Heater Hose
2008Mazda32.3LL4Heater To TeeSmall I.D. Heater Hose
2007Mazda32.0LL4Heater To TeeSmall I.D. Heater Hose
2007Mazda32.3LL4Heater To TeeSmall I.D. Heater Hose
2006Mazda32.0LL4Heater To TeeSmall I.D. Heater Hose
2006Mazda32.3LL4Heater To TeeSmall I.D. Heater Hose
2005Mazda32.0LL4Heater To TeeSmall I.D. Heater Hose
2005Mazda32.3LL4Heater To TeeSmall I.D. Heater Hose
2005SaturnL300Reservoir To EngineSmall I.D. Heater Hose
2004Mazda32.0LL4Heater To TeeSmall I.D. Heater Hose
2004Mazda32.3LL4Heater To TeeSmall I.D. Heater Hose
2004SaturnL3003.0LV6Reservoir To EngineSmall I.D. Heater Hose
2003SaturnL300Reservoir To EngineSmall I.D. Heater Hose
2003SaturnLW300Reservoir To EngineSmall I.D. Heater Hose
2000SaturnLS2Reservoir To EngineSmall I.D. Heater Hose
2000SaturnLW2Reservoir To EngineSmall 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:

16277M

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