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Dayco 80394 HVAC Heater Hose
Reliable HVAC Heater Hose for Select Vehicles
The Dayco 80394 HVAC heater hose is designed to provide dependable performance for a range of vehicles including Honda Accord, Toyota Land Cruiser, and Suzuki Grand Vitara. Engineered to meet OEM specifications, this heater hose ensures efficient coolant flow within the heating system.
- Compatible with Chevrolet, Geo, Honda, Isuzu, Mazda, Pontiac, Suzuki, and Toyota models
- Direct replacement part number 80394 for precise fitment
- Constructed to withstand high temperatures and pressure in HVAC systems
- Durable material resists cracking, swelling, and leaks
- Designed for use in heater core coolant circulation
Durable Construction and Precise Fitment
The Dayco 80394 heater hose is manufactured to meet strict quality standards, ensuring a secure and leak-free connection in the HVAC system. This hose is engineered to handle the thermal and mechanical stresses typical in vehicles such as the Honda Accord and Toyota Land Cruiser. Its compatibility with multiple makes and models, including the Suzuki Grand Vitara and Mazda Millenia, makes it a versatile replacement part. The hose maintains coolant flow to the heater core, supporting cabin heating functionality and overall HVAC system efficiency.
Applications and Common Issues Addressed
- Replacement for cracked or leaking heater hoses in Honda Accord and Toyota Land Cruiser
- Solves coolant leaks causing reduced heating performance
- Prevents overheating issues related to compromised heater hoses
- Restores proper coolant circulation in Suzuki Grand Vitara and Mazda Millenia HVAC systems
- Addresses hose swelling or brittleness from age and heat exposure
Installation Notes and Tips
- Ensure the engine is cool before removing the old heater hose
- Inspect hose clamps and replace if corroded or damaged
- Verify correct routing to avoid kinks or interference with other components
- Use appropriate coolant type and refill to recommended levels after installation
- Check for leaks after installation by running the engine and heater system
Quality Assurance and Warranty Information
Dayco manufactures the 80394 heater hose to meet or exceed OEM standards, providing reliable service life under normal operating conditions. While specific warranty details may vary, Dayco products typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the durability and performance of the heater hose for vehicles such as the Honda Accord, Toyota Land Cruiser, and Suzuki Grand Vitara.
This part fits 94 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2006 | Suzuki | XL-7 | Pipe To Water Pump | |||||
| 2006 | Toyota | Sienna | Tee To Pipe | |||||
| 2006 | Toyota | Sienna | Auxiliary Heater Pipe To Auxiliary Heater | |||||
| 2005 | Suzuki | Grand Vitara | Pipe To Engine | |||||
| 2005 | Suzuki | XL-7 | Pipe To Water Pump | |||||
| 2005 | Toyota | Sienna | Tee To Pipe | |||||
| 2005 | Toyota | Sienna | Auxiliary Heater Pipe To Auxiliary Heater | |||||
| 2004 | Chevrolet | Tracker | 2.5L | V6 | Heater Outlet (Front) | |||
| 2004 | Isuzu | Axiom | N/A | |||||
| 2004 | Isuzu | Rodeo | 3.2L | V6 | N/A | |||
| 2004 | Isuzu | Rodeo | 3.5L | V6 | N/A | |||
| 2004 | Suzuki | Grand Vitara | Pipe To Engine | |||||
| 2004 | Suzuki | Vitara | Pipe To Engine | |||||
| 2004 | Suzuki | Vitara | Heater To Pipe | |||||
| 2004 | Suzuki | XL-7 | Pipe To Engine | |||||
| 2004 | Toyota | Sienna | Tee To Pipe | |||||
| 2004 | Toyota | Sienna | Auxiliary Heater Pipe To Auxiliary Heater | |||||
| 2003 | Chevrolet | Tracker | 2.5L | V6 | Pipe To Thermostat | |||
| 2003 | Isuzu | Axiom | N/A | |||||
| 2003 | Isuzu | Rodeo | 3.2L | V6 | N/A | |||
| 2003 | Isuzu | Rodeo Sport | 3.2L | V6 | N/A | |||
| 2003 | Suzuki | Grand Vitara | Pipe To Engine | |||||
| 2003 | Suzuki | Vitara | Heater Inlet | |||||
| 2003 | Suzuki | Vitara | Heater To Pipe | |||||
| 2003 | Suzuki | XL-7 | Pipe To Engine | |||||
| 2002 | Chevrolet | Tracker | 2.5L | V6 | Heater Outlet (Front) | |||
| 2002 | Honda | Passport | N/A | |||||
| 2002 | Isuzu | Axiom | N/A | |||||
| 2002 | Isuzu | Rodeo | 3.2L | V6 | N/A | |||
| 2002 | Isuzu | Rodeo Sport | 3.2L | V6 | N/A | |||
| 2002 | Isuzu | Trooper | N/A | |||||
| 2002 | Suzuki | Vitara | 2.0L | L4 | Heater Inlet | |||
| 2002 | Suzuki | Vitara | 2.0L | L4 | Heater To Pipe | |||
| 2001 | Chevrolet | Metro | Heater To Pipe | |||||
| 2001 | Honda | Passport | N/A | |||||
| 2001 | Isuzu | Rodeo | 3.2L | V6 | N/A | |||
| 2001 | Isuzu | Trooper | N/A | |||||
| 2001 | Isuzu | VehiCROSS | N/A | |||||
| 2001 | Suzuki | Swift | Heater To Pipe | |||||
| 2001 | Suzuki | Vitara | 2.0L | L4 | Heater Inlet | |||
| 2001 | Suzuki | Vitara | 2.0L | L4 | Heater To Pipe | |||
| 2000 | Chevrolet | Metro | Automatic | 1.3L | L4 | Heater To Pipe | ||
| 2000 | Honda | Passport | N/A | |||||
| 2000 | Isuzu | Amigo | 3.2L | V6 | Upper | |||
| 2000 | Isuzu | Rodeo | 3.2L | V6 | N/A | |||
| 2000 | Isuzu | Trooper | N/A | |||||
| 2000 | Isuzu | VehiCROSS | N/A | |||||
| 2000 | Mazda | Millenia | 2.3L | V6 | Reservoir To Thermostat | |||
| 2000 | Pontiac | Firefly | Automatic | 1.3L | L4 | GAS | Heater To Pipe | |
| 2000 | Suzuki | Swift | Heater Outlet | |||||
| 2000 | Suzuki | Vitara | 2.0L | L4 | Heater Inlet | |||
| 2000 | Suzuki | Vitara | 2.0L | L4 | Heater To Pipe | |||
| 1999 | Chevrolet | Metro | Automatic | 1.3L | L4 | Heater To Pipe | ||
| 1999 | Honda | Passport | N/A | |||||
| 1999 | Isuzu | Amigo | 3.2L | V6 | Upper | |||
| 1999 | Isuzu | Rodeo | 3.2L | V6 | N/A | |||
| 1999 | Isuzu | Trooper | N/A | |||||
| 1999 | Isuzu | VehiCROSS | N/A | |||||
| 1999 | Pontiac | Firefly | Automatic | 1.3L | L4 | Heater To Pipe | ||
| 1999 | Suzuki | Swift | Heater Outlet | |||||
| 1999 | Suzuki | Vitara | 2.0L | L4 | Heater Inlet | |||
| 1999 | Suzuki | Vitara | 2.0L | L4 | Heater To Pipe | |||
| 1998 | Chevrolet | Metro | Automatic | 1.3L | L4 | Heater To Pipe | ||
| 1998 | Chevrolet | Tracker | Pipe To Pipe | Curved | ||||
| 1998 | Honda | Passport | N/A | |||||
| 1998 | Isuzu | Rodeo | 3.2L | V6 | N/A | |||
| 1998 | Isuzu | Trooper | N/A | |||||
| 1998 | Pontiac | Firefly | Automatic | 1.3L | L4 | Heater To Pipe | ||
| 1998 | Suzuki | Sidekick | 1.6L | L4 | Pipe To Pipe | Curved | ||
| 1998 | Suzuki | Swift | Heater Outlet | |||||
| 1997 | Geo | Metro | Automatic | 1.3L | L4 | Heater Outlet | ||
| 1997 | Geo | Tracker | Heater Hose | |||||
| 1997 | Pontiac | Firefly | Automatic | 1.3L | L4 | Heater Outlet | ||
| 1997 | Pontiac | Sunrunner | Heater Hose | |||||
| 1996 | Geo | Metro | Automatic | 1.3L | L4 | Heater Outlet | ||
| 1996 | Geo | Tracker | Heater Hose | |||||
| 1996 | Pontiac | Firefly | Automatic | 1.3L | L4 | Heater Outlet | ||
| 1996 | Pontiac | Sunrunner | Heater Hose | |||||
| 1996 | Suzuki | Sidekick | 1.6L | L4 | Heater Hose | |||
| 1995 | Geo | Metro | Automatic | 1.3L | L4 | Heater Outlet | ||
| 1995 | Geo | Tracker | Heater Hose | |||||
| 1995 | Pontiac | Firefly | Automatic | 1.3L | L4 | Heater Outlet | ||
| 1995 | Pontiac | Sunrunner | Heater Hose | |||||
| 1995 | Suzuki | Sidekick | Heater Inlet | |||||
| 1994 | Suzuki | Sidekick | Heater Inlet | |||||
| 1993 | Suzuki | Sidekick | Heater Inlet | |||||
| 1992 | Suzuki | Sidekick | Heater Inlet | |||||
| 1990 | Honda | Prelude | 2.0L | L4 | N/A | |||
| 1989 | Honda | Accord | Outlet | |||||
| 1989 | Honda | Prelude | N/A | |||||
| 1988 | Honda | Prelude | N/A | |||||
| 1983 | Toyota | Land Cruiser | 4.2L | L6 | Pipe To Auxiliary Heater | |||
| 1982 | Toyota | Land Cruiser | 4.2L | L6 | Pipe To Auxiliary Heater | |||
| 1981 | Toyota | Land Cruiser | 4.2L | L6 | Pipe To Auxiliary Heater |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.