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Gates 19109 HVAC Heater Hose - Heater To Adapter (Upper) or Heater To Engine (Upper)
Overview of Gates Molded Heater Hose 19109
The Gates Molded Heater Hose 19109 is designed for reliable HVAC system performance in select Buick, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long service life for your HVAC heater core connections.
- Constructed from high-quality EPDM rubber for heat and ozone resistance
- Molded design for precise fit and leak-free connections
- End 1 and End 2 inside diameter: 0.59 inches (15 mm)
- Centerline length of 24.7 inches (627 mm) for accurate replacement
- Compatible with Buick Regal, Oldsmobile Intrigue, and Pontiac Grand Prix models
Detailed Product Description
The Gates Molded Heater Hose 19109 is part of the Molded Heater Hose product line, which focuses on delivering pre-formed hoses that match original equipment specifications. This hose is molded to exact dimensions, including a centerline length of 24.7 inches (627 mm) and consistent inside diameters of 0.59 inches (15 mm) on both ends, ensuring a secure and precise fit. Made from EPDM material, it offers resistance to heat, coolant, and environmental factors, making it suitable for HVAC heater core applications in Buick Regal, Oldsmobile Intrigue, and Pontiac Grand Prix vehicles.
Common Applications and Issues Addressed
- Replacement of cracked or leaking heater hoses in HVAC systems
- Restoring proper coolant flow to the heater core
- Preventing coolant leaks that cause engine overheating
- Eliminating heater core performance issues due to hose degradation
- Maintaining HVAC system efficiency in Buick, Oldsmobile, and Pontiac models
Installation Notes and Tips
- Verify hose dimensions and part number 19109 before installation
- Ensure all clamps and fittings are securely tightened to prevent leaks
- Inspect surrounding components for wear or damage during replacement
- Flush the cooling system if contamination or debris is present
- Follow vehicle manufacturer guidelines for HVAC hose replacement
Quality Assurance and Warranty
Gates Molded Heater Hose 19109 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM construction provides resistance to heat, ozone, and coolant chemicals, contributing to a longer service life. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in material and workmanship, ensuring confidence in your replacement part.
| Brand | Gates |
| Part Number | 19109 |
| Position | Molded Heater Hose, Heater To Adapter (Upper) |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 24.7 |
| Centerline Length | 627 |
| Centerline Length (in) | 24.7 |
| Centerline Length (mm) | 627 |
| End 1 Inside Diameter | .59 |
| End 1 Inside Diameter | 15 |
| End 2 Inside Diameter | .59 |
| End 2 Inside Diameter | 15 |
| Material | EPDM |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1999 | Oldsmobile | Intrigue | 3.8L | V6 | GAS | Heater To Adapter (Upper) | Molded Heater Hose |
| 1998 | Buick | Regal | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1998 | Pontiac | Grand Prix | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1997 | Buick | Regal | 3.8L | V6 | GAS | Heater To Engine (Upper) | Molded Heater Hose |
| 1997 | Pontiac | Grand Prix | 3.8L | V6 | GAS | Heater To Engine (Upper) | 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.