HomeHVAC > Hoses and PipesDayco 86804 HVAC Heater Hose
Part #: 86804

Dayco 86804 HVAC Heater Hose

Small I.D. Heater Hose, Intake Manifold To Throttle Body, Throttle Body To Valve, Pipe To Engine, Throttle Body To Pipe, Water Pump To Pipe, Pipe To Pipe, Pipe To Throttle Body, Valve To Intake Manifold, Pipe To Valve, Throttle Body To Thermostat, Throttle Body To Engine, Pipe-8 To Engine, and Tee To Valve
⚙️ 79 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Intake Manifold To Throttle Body, Throttle Body To Valve, Pipe To Engine, Throttle Body To Pipe, Water Pump To Pipe, Pipe To Pipe, Pipe To Throttle Body, Valve To Intake Manifold, Pipe To Valve, Throttle Body To Thermostat, Throttle Body To Engine, Pipe-8 To Engine, and Tee To Valve
🚗Fitment: Acura, Chevrolet, Geo, Mazda, Mitsubishi, Nissan, Pontiac, Saturn, Suzuki, Toyota, and Volkswagen, 240SX, 720, 929, Beetle, D21, Firefly, Legend, Maxima, Metro, Mirage, MX-3, NX, Pathfinder, Previa, Protege, Sentra, Sprint, Swift, and Vue
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Reliable HVAC Heater Hose for Multiple Vehicle Models

The Dayco Small I.D. Heater Hose 86804 is designed to provide dependable performance in your vehicle's heating system. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black single inside diameter hose with 5/16 inch ID on both ends
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 6 1/4 inches for precise fitment
  • Compatible with a wide range of makes and models including Acura, Chevrolet, Nissan, Toyota, and Volkswagen

About the Dayco Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing single inside diameter hoses that meet strict SAE standards for automotive heating systems. This product line is engineered to maintain integrity under heat and pressure, making it suitable for various vehicle applications requiring a 5/16 inch inside diameter hose.

Durable EPDM Construction and Precise Fitment

This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features a consistent 5/16 inch inside diameter on both ends, ensuring a secure connection within the heating system. Its black color and trunk height of 6 1/4 inches allow for easy identification and installation. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive HVAC applications.

Compatible Vehicles and Common Applications

  • Replacement heater hose for Acura Legend and Integra models
  • Fits Chevrolet Geo Metro and Suzuki Swift heating systems
  • Compatible with Nissan Sentra, Maxima, and Pathfinder HVAC lines
  • Suitable for Toyota Previa and Volkswagen Beetle heater hose needs
  • Works with Mitsubishi Mirage and Mazda MX-3 heating components

Installation Notes and Tips

  • Ensure the hose length and diameter match your vehicle’s specifications before installation
  • Inspect hose ends for secure fit to prevent leaks
  • Use proper clamps compatible with 5/16 inch hoses to maintain system pressure
  • Replace any worn or damaged clamps during installation for optimal performance

Quality Assurance and Warranty

Dayco’s Small I.D. Heater Hose 86804 is manufactured to meet SAE standards, ensuring reliable performance in automotive heating systems. While specific warranty details are not provided, Dayco products are generally backed by quality manufacturing processes and industry compliance to support long-term durability.

BrandDayco
Part Number86804
PositionSmall I.D. Heater Hose, Intake Manifold To Throttle Body, Throttle Body To Valve, Pipe To Engine, Throttle Body To Pipe, Water Pump To Pipe, Pipe To Pipe, Pipe To Throttle Body, Valve To Intake Manifold, Pipe To Valve, Throttle Body To Thermostat, Throttle Body To Engine, Pipe-8 To Engine, and Tee To Valve
MaterialEpdm
ColorBlack
End 1 Inside Diameter5/16
End 2 Inside Diameter5/16
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height6 1/4

This part fits 79 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2007SaturnVueManual2.2LL4Pipe To EngineSmall I.D. Heater Hose
2006SaturnVueManual2.2LL4Pipe To EngineSmall I.D. Heater Hose
2005SaturnVueManual2.2LL4Pipe To EngineSmall I.D. Heater Hose
2004SaturnVue2.2LL4Pipe To EngineSmall I.D. Heater Hose
2003SaturnVue2.2LL4Pipe To EngineSmall I.D. Heater Hose
2002SaturnVue2.2LL4Pipe To EngineSmall I.D. Heater Hose
2001MitsubishiMirage1.5LL4Throttle Body To ThermostatSmall I.D. Heater Hose
2001VolkswagenBeetle2.0LL4Throttle Body To EngineSmall I.D. Heater Hose
2000MitsubishiMirage1.5LL4Throttle Body To ThermostatSmall I.D. Heater Hose
2000VolkswagenBeetle2.0LL4Throttle Body To EngineSmall I.D. Heater Hose
1999MitsubishiMirage1.5LL4Throttle Body To ThermostatSmall I.D. Heater Hose
1999VolkswagenBeetle2.0LL4Throttle Body To EngineSmall I.D. Heater Hose
1998MitsubishiMirage1.5LL4Throttle Body To ThermostatSmall I.D. Heater Hose
1998VolkswagenBeetle2.0LL4Throttle Body To EngineSmall I.D. Heater Hose
1997MitsubishiMirage1.5LL4Throttle Body To ThermostatSmall I.D. Heater Hose
1994GeoMetro1.0LL3Intake Manifold To Throttle BodySmall I.D. Heater Hose
1994MazdaProtegeThrottle Body To ValveSmall I.D. Heater Hose
1994Nissan240SXPipe To Throttle BodySmall I.D. Heater Hose
1994NissanMaximaValve To Intake ManifoldSmall I.D. Heater Hose
1994NissanSentra1.6LL4Pipe To ValveSmall I.D. Heater Hose
1994PontiacFirefly1.0LL3Intake Manifold To Throttle BodySmall I.D. Heater Hose
1993GeoMetro1.0LL3Intake Manifold To Throttle BodySmall I.D. Heater Hose
1993MazdaMX-31.6LL4Throttle Body To ValveSmall I.D. Heater Hose
1993MazdaProtegeThrottle Body To ValveSmall I.D. Heater Hose
1993Nissan240SXPipe To Throttle BodySmall I.D. Heater Hose
1993NissanMaximaValve To Intake ManifoldSmall I.D. Heater Hose
1993NissanNX1.6LL4Pipe To ValveSmall I.D. Heater Hose
1993NissanSentra1.6LL4Pipe To ValveSmall I.D. Heater Hose
1992ChevroletSprintIntake Manifold To Throttle BodySmall I.D. Heater Hose
1992GeoMetro1.0LL3Intake Manifold To Throttle BodySmall I.D. Heater Hose
1992MazdaMX-31.6LL4Throttle Body To ValveSmall I.D. Heater Hose
1992MazdaProtegeThrottle Body To ValveSmall I.D. Heater Hose
1992Nissan240SXPipe To Throttle BodySmall I.D. Heater Hose
1992NissanD212.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1992NissanMaximaValve To Intake ManifoldSmall I.D. Heater Hose
1992NissanNX1.6LL4Pipe To ValveSmall I.D. Heater Hose
1992NissanSentra1.6LL4Pipe To ValveSmall I.D. Heater Hose
1992SuzukiSwift1.0LL3Throttle Body To PipeSmall I.D. Heater Hose
1992ToyotaPreviaPipe-8 To EngineSmall I.D. Heater Hose
1991ChevroletSprintIntake Manifold To Throttle BodySmall I.D. Heater Hose
1991GeoMetroIntake Manifold To Throttle BodySmall I.D. Heater Hose
1991Mazda929Tee To ValveSmall I.D. Heater Hose
1991MazdaProtegeThrottle Body To ValveSmall I.D. Heater Hose
1991Nissan240SXPipe To Throttle BodySmall I.D. Heater Hose
1991NissanD212.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1991NissanNX1.6LL4Pipe To ValveSmall I.D. Heater Hose
1991NissanSentra1.6LL4Pipe To ValveSmall I.D. Heater Hose
1991PontiacFireflyIntake Manifold To Throttle BodySmall I.D. Heater Hose
1991ToyotaPreviaPipe To EngineSmall I.D. Heater Hose
1990AcuraLegendPipe To PipeSmall I.D. Heater Hose
1990ChevroletSprintIntake Manifold To Throttle BodySmall I.D. Heater Hose
1990GeoMetroIntake Manifold To Throttle BodySmall I.D. Heater Hose
1990Mazda929Tee To ValveSmall I.D. Heater Hose
1990MazdaProtegeThrottle Body To ValveSmall I.D. Heater Hose
1990NissanD212.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1990PontiacFireflyIntake Manifold To Throttle BodySmall I.D. Heater Hose
1989AcuraLegendWater Pump To PipeSmall I.D. Heater Hose
1989ChevroletSprintIntake Manifold To Throttle BodySmall I.D. Heater Hose
1989GeoMetroIntake Manifold To Throttle BodySmall I.D. Heater Hose
1989Mazda929Tee To ValveSmall I.D. Heater Hose
1989NissanD212.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1989NissanD213.0LV6Throttle Body To ValveSmall I.D. Heater Hose
1989NissanPathfinderThrottle Body To ValveSmall I.D. Heater Hose
1988AcuraLegendWater Pump To PipeSmall I.D. Heater Hose
1988Mazda929Tee To ValveSmall I.D. Heater Hose
1988NissanD212.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1988NissanD213.0LV6Throttle Body To ValveSmall I.D. Heater Hose
1988NissanPathfinder2.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1988NissanPathfinder3.0LV6Throttle Body To ValveSmall I.D. Heater Hose
1987AcuraLegend2.5LV6Water Pump To PipeSmall I.D. Heater Hose
1987AcuraLegend2.7LV6Water Pump To PipeSmall I.D. Heater Hose
1987NissanD212.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1987NissanD213.0LV6Throttle Body To ValveSmall I.D. Heater Hose
1987NissanPathfinder3.0LV6Throttle Body To ValveSmall I.D. Heater Hose
1987NissanPathfinder2.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1986AcuraLegendWater Pump To PipeSmall I.D. Heater Hose
1986Nissan7202.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1986NissanD212.4LL4Throttle Body To ValveSmall I.D. Heater Hose
1986NissanD213.0LV6Throttle Body To ValveSmall 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:

14010S14021S

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