Dayco 80309 HVAC Heater Hose
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Dayco

Dayco 80309 HVAC Heater Hose

Brand Dayco 80309
Position Throttle Body To Thermostat, Water Pump To Throttle Body, Thermostat To Valve, Pipe To Engine, Throttle Body To Pipe, Pipe-1 To Intake Manifold, Tee-1 To Tee-3, and Valve To Engine
Fits Chevrolet, Geo, Honda, Mazda, Nissan, Pontiac, Suzuki, and Volkswagen · 39 vehicles

Heater hose. Routes coolant through the HVAC system for reliable heat transfer.

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Dayco 80309 HVAC Heater Hose

Dayco 80309 is an HVAC heater hose for vehicle-specific coolant routing where a cut-to-fit hose is needed. It serves applications such as Honda Prelude, Volkswagen Golf, Chevrolet Tracker, Nissan Sentra, and Suzuki Sidekick heater and throttle-body coolant paths.

Key Features

  • HVAC heater hose for coolant transfer in heater and engine-bypass circuits
  • Cut-to-fit design for application-specific routing
  • Compatible with multiple OEM-style hose paths, including thermostat, valve, tee, pipe, throttle body, and water pump connections
  • Dayco part number 80309 for catalog and fitment lookup
  • Fits 1990-2001 vehicles across Honda, Volkswagen, Chevrolet, Nissan, Suzuki, Geo, Pontiac, and Mazda applications

Detailed Description

Dayco 80309 is an HVAC heater hose built for direct routing needs in vehicles that use formed or cut-to-fit coolant hose sections. It is listed for applications including Fits 1997-2001 Honda Prelude, Thermostat To Valve; Fits 1999-2001 Volkswagen Golf, Tee-1 To Tee-3; and Fits 1998 Chevrolet Tracker, Throttle Body To Thermostat. Additional coverage includes Nissan 200SX and Sentra, Suzuki Sidekick and X-90, Geo Tracker, Pontiac Sunrunner, Mazda MX-3, and Nissan Pulsar NX. If you are searching for Dayco 80309 for a Honda Prelude heater hose replacement or a Volkswagen Golf coolant hose routing solution, this part number is the correct reference point.

Common Uses

  • Replacing a cracked or leaking heater hose section
  • Restoring coolant flow between thermostat, valve, pipe, or throttle body connections
  • Repairing heat output issues caused by restricted hose routing
  • Addressing coolant seepage at aged rubber hose runs
  • Matching cut-to-fit hose paths on older import and compact vehicles

Installation Notes

Verify the exact hose path, connection points, and length before cutting. Compare the vehicle’s existing routing to the listed position, such as Thermostat To Valve, Pipe To Engine, or Water Pump To Throttle Body, before installation. Confirm fitment by year, make, model, and position for Dayco 80309 before trimming.

Quality Assurance

Dayco is a recognized aftermarket brand for hose and belt applications, and part number 80309 is cataloged for specific vehicle fitments to support accurate replacement selection.

Related reading

This part fits 39 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001HondaPrelude——Thermostat To ValveCut to Fit
2001VolkswagenGolf1.9LL4Tee-1 To Tee-3Cut to Fit
2000HondaPrelude——Thermostat To ValveCut to Fit
2000VolkswagenGolf1.9LL4Tee-1 To Tee-3Cut to Fit
1999HondaPrelude——Thermostat To ValveCut to Fit
1999VolkswagenGolf1.9LL4Tee-1 To Tee-3Cut to Fit
1998ChevroletTracker——Throttle Body To ThermostatCut to Fit
1998HondaPrelude——Thermostat To ValveCut to Fit
1998Nissan200SX1.6LL4Pipe To EngineCut to Fit
1998NissanSentra1.6LL4Pipe-1 To Intake ManifoldCut to Fit
1998SuzukiSidekick1.6LL4Water Pump To Throttle BodyCut to Fit
1998SuzukiX-90——Water Pump To Throttle BodyCut to Fit
1997GeoTracker——Throttle Body To ThermostatCut to Fit
1997HondaPrelude——Thermostat To ValveCut to Fit
1997Nissan200SX1.6LL4Pipe To EngineCut to Fit
1997NissanSentra1.6LL4Pipe-1 To Intake ManifoldCut to Fit
1997PontiacSunrunner——Throttle Body To ThermostatCut to Fit
1997SuzukiSidekick1.6LL4Water Pump To Throttle BodyCut to Fit
1997SuzukiX-90——Water Pump To Throttle BodyCut to Fit
1996GeoTracker——Throttle Body To ThermostatCut to Fit
1996Nissan200SX1.6LL4Pipe To EngineCut to Fit
1996NissanSentra1.6LL4Pipe-1 To Intake ManifoldCut to Fit
1996PontiacSunrunner——Throttle Body To ThermostatCut to Fit
1996SuzukiSidekick1.6LL4Water Pump To Throttle BodyCut to Fit
1996SuzukiX-90——Water Pump To Throttle BodyCut to Fit
1995GeoTracker——Throttle Body To ThermostatCut to Fit
1995Nissan200SX1.6LL4Pipe To EngineCut to Fit
1995NissanSentra——Pipe-1 To Intake ManifoldCut to Fit
1995PontiacSunrunner——Throttle Body To ThermostatCut to Fit
1995SuzukiSidekick——Water Pump To Throttle BodyCut to Fit
1994GeoTracker——Throttle Body To ThermostatCut to Fit
1994PontiacSunrunner——Throttle Body To ThermostatCut to Fit
1994SuzukiSidekick——Water Pump To Throttle BodyCut to Fit
1993MazdaMX-31.6LL4Valve To EngineCut to Fit
1993SuzukiSidekick——Water Pump To Throttle BodyCut to Fit
1992MazdaMX-31.6LL4Valve To EngineCut to Fit
1992SuzukiSidekick——Water Pump To Throttle BodyCut to Fit
1990NissanPulsar NX——Throttle Body To PipeCut to Fit
1990NissanSentra——Throttle Body To PipeCut to Fit