HomeHVAC > Hoses and PipesGates 19724 HVAC Heater Hose - Heater To Engine or Heater To Engine (Upper)
Part #: 19724

Gates 19724 HVAC Heater Hose - Heater To Engine or Heater To Engine (Upper)

Molded Heater Hose, Heater To Engine
⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Heater To Engine
🚗Fitment: Saturn, Buick, Oldsmobile, and Pontiac, Vue, LeSabre, 88, LSS, Bonneville, Regency, Park Avenue, and 98
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Overview of Gates Molded Heater Hose 19724

The Gates Molded Heater Hose 19724 is designed for reliable HVAC system performance in select Buick, Oldsmobile, Pontiac, and Saturn vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in automotive heating applications.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and leak prevention
  • Inside diameter of 0.72 inches (18 mm) on both ends
  • Centerline length of 12.7 inches (323 mm) for accurate replacement
  • Compatible with Buick 88, 98, LeSabre, Park Avenue, Oldsmobile LSS, Pontiac Bonneville, Regency, and Saturn Vue models

Details on the Molded Heater Hose Product Line

The Gates Molded Heater Hose line focuses on delivering pre-formed hoses that match original equipment specifications. This eliminates the need for bending or cutting during installation, reducing the risk of leaks and improving HVAC system reliability. The molded construction of part number 19724 ensures a precise fit for the specified vehicle models, maintaining proper coolant flow and heater core function.

Technical Description and Specifications

This HVAC heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 0.72 inches (18 mm), suitable for direct replacement without modification. The centerline length measures 12.7 inches (323 mm), matching OEM dimensions for a seamless fit. The molded design provides a consistent shape that aligns with the vehicle’s HVAC system layout, minimizing installation errors and potential leaks.

Common Applications and Problem Solving

  • Replacement of cracked or leaking heater hoses in Buick 88 and 98 models
  • Restoring proper coolant flow in Oldsmobile LSS and Pontiac Bonneville HVAC systems
  • Addressing heater core overheating issues in Saturn Vue vehicles
  • Eliminating coolant leaks caused by deteriorated or misshapen hoses
  • Ensuring HVAC system efficiency in Buick LeSabre and Park Avenue models

Installation Notes and Tips

  • Verify hose dimensions and fitment with your vehicle’s specifications before installation
  • Drain coolant system prior to hose removal to prevent spills
  • Inspect hose connections and clamps for wear and replace if necessary
  • Ensure the molded hose aligns correctly with HVAC system ports to avoid kinks
  • Refill and bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

Gates Molded Heater Hose 19724 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to a reliable, long-lasting HVAC hose solution. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship.

BrandGates
Part Number19724
PositionMolded Heater Hose, Heater To Engine
0
Yes
Branch Quantity0
Centerline Length12.7
Centerline Length323
Centerline Length (in)12.7
Centerline Length (mm)323
End 1 Inside Diameter.72
End 1 Inside Diameter18
End 2 Inside Diameter.72
End 2 Inside Diameter18
MaterialEPDM
MoldedYes
Number of Quick Connect Fittings0

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2009SaturnVue2.4LL4ELECTRIC/GASHeater To EngineMolded Heater Hose
2008SaturnVue2.4LL4ELECTRIC/GASHeater To EngineMolded Heater Hose
2007SaturnVue2.4LL4ELECTRIC/GASHeater To EngineMolded Heater Hose
1999BuickLeSabre3.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1999Oldsmobile883.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1999OldsmobileLSS3.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1999PontiacBonneville3.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1998BuickLeSabre3.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1998Oldsmobile883.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1998OldsmobileLSS3.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1998OldsmobileRegency3.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1998PontiacBonneville3.8LV6GASHeater To Engine (Upper)Molded Heater Hose
1997BuickLeSabre3.8LV6GASHeater To EngineMolded Heater Hose
1997Oldsmobile883.8LV6GASHeater To EngineMolded Heater Hose
1997OldsmobileLSS3.8LV6GASHeater To EngineMolded Heater Hose
1997OldsmobileRegency3.8LV6GASHeater To EngineMolded Heater Hose
1997PontiacBonneville3.8LV6GASHeater To EngineMolded Heater Hose
1996BuickLeSabre3.8LV6GASHeater To EngineMolded Heater Hose
1996BuickPark Avenue3.8LV6GASHeater To EngineMolded Heater Hose
1996Oldsmobile883.8LV6GASHeater To EngineMolded Heater Hose
1996Oldsmobile983.8LV6GASHeater To EngineMolded Heater Hose
1996OldsmobileLSS3.8LV6GASHeater To EngineMolded Heater Hose
1996PontiacBonneville3.8LV6GASHeater To EngineMolded Heater Hose
1995BuickPark Avenue3.8LV6GASHeater To EngineMolded Heater Hose
1995Oldsmobile883.8LV6GASHeater To EngineMolded Heater Hose
1995Oldsmobile983.8LV6GASHeater To EngineMolded Heater Hose
1995PontiacBonneville3.8LV6GASHeater To EngineMolded 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:

1172414322S1913048419724256180092563695125637118258918366414988392C88392

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