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Gates 19724 HVAC Heater Hose - Heater To Engine or Heater To Engine (Upper)
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.
| Brand | Gates |
| Part Number | 19724 |
| Position | Molded Heater Hose, Heater To Engine |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 12.7 |
| Centerline Length | 323 |
| Centerline Length (in) | 12.7 |
| Centerline Length (mm) | 323 |
| End 1 Inside Diameter | .72 |
| End 1 Inside Diameter | 18 |
| End 2 Inside Diameter | .72 |
| End 2 Inside Diameter | 18 |
| Material | EPDM |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Saturn | Vue | 2.4L | L4 | ELECTRIC/GAS | Heater To Engine | Molded Heater Hose |
| 2008 | Saturn | Vue | 2.4L | L4 | ELECTRIC/GAS | Heater To Engine | Molded Heater Hose |
| 2007 | Saturn | Vue | 2.4L | L4 | ELECTRIC/GAS | Heater To Engine | Molded Heater Hose |
| 1999 | Buick | LeSabre | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1999 | Oldsmobile | 88 | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1999 | Oldsmobile | LSS | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1999 | Pontiac | Bonneville | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1998 | Buick | LeSabre | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1998 | Oldsmobile | 88 | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1998 | Oldsmobile | LSS | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1998 | Oldsmobile | Regency | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1998 | Pontiac | Bonneville | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1997 | Buick | LeSabre | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1997 | Oldsmobile | 88 | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1997 | Oldsmobile | LSS | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1997 | Oldsmobile | Regency | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1997 | Pontiac | Bonneville | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1996 | Buick | LeSabre | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1996 | Buick | Park Avenue | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1996 | Oldsmobile | 88 | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1996 | Oldsmobile | 98 | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1996 | Oldsmobile | LSS | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1996 | Pontiac | Bonneville | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1995 | Buick | Park Avenue | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1995 | Oldsmobile | 88 | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1995 | Oldsmobile | 98 | 3.8L | V6 | GAS | Heater To Engine | Molded Heater Hose |
| 1995 | Pontiac | Bonneville | 3.8L | V6 | GAS | Heater To Engine | Molded 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.