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Gates 19620 HVAC Heater Hose - Pipe To Thermostat or Pipe To Water Pump
Reliable HVAC Heater Hose for Buick, Chevrolet, Oldsmobile, and Pontiac
The Gates Molded Heater Hose 19620 is engineered to provide dependable heating system performance for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in your vehicle's HVAC system.
- Constructed from high-quality EPDM rubber for heat and ozone resistance
- Molded design for precise fit and leak-free connections
- Inside diameter of 0.75 inches (19 mm) on both ends
- Centerline length of 13.6 inches (345 mm) for accurate replacement
- Compatible with multiple Buick, Chevrolet, Oldsmobile, and Pontiac models
About the Gates Molded Heater Hose Product Line
The Molded Heater Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle applications. This eliminates the need for bending or cutting during installation, reducing the risk of leaks and improving overall HVAC system reliability. The 19620 part number is part of this line, offering a precise fit for the heating system in various GM vehicles.
Detailed Product Description
This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and weathering. Both ends of the hose have an inside diameter of 0.75 inches (19 mm), ensuring compatibility with factory connections. The molded construction maintains the hose’s shape and length, measured at 13.6 inches (345 mm) centerline, which matches original equipment specifications. The hose does not include quick connect fittings or branches, simplifying installation and reducing potential failure points.
Common Applications and Issues Addressed
- Replacement of cracked or leaking heater hoses in Buick Century and Chevrolet Celebrity models
- Restoring proper coolant flow in Oldsmobile Omega and Pontiac Phoenix heating systems
- Eliminating heater core leaks caused by deteriorated hoses in Buick Skylark and Chevrolet Citation vehicles
- Maintaining consistent cabin heat performance in Pontiac Cutlass Ciera and Citation II
- Preventing coolant loss and overheating due to damaged or worn heater hoses
Installation Notes and Tips
Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify hose routing matches the original configuration to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly, and inspect all connections for leaks after installation. The molded design of this heater hose simplifies alignment and reduces installation time.
Quality Assurance and Warranty
Gates manufactures the Molded Heater Hose 19620 to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to a reliable, long-lasting replacement part. Warranty details should be confirmed with the product documentation or supplier, as they may vary by region.
| Brand | Gates |
| Part Number | 19620 |
| Position | Molded Heater Hose, Pipe To Water Pump and Pipe To Thermostat |
| Material | Epdm |
| End 1 Inside Diameter | .75 |
| End 1 Inside Diameter | 19 |
| End 2 Inside Diameter | .75 |
| End 2 Inside Diameter | 19 |
| Centerline Length | 13.6 |
| Centerline Length | 345 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 13.6 |
| Centerline Length (mm) | 345 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 47 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1986 | Buick | Century | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1986 | Chevrolet | Celebrity | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1986 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1986 | Pontiac | 6000 | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1985 | Buick | Century | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1985 | Chevrolet | Celebrity | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1985 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1985 | Pontiac | 6000 | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1984 | Buick | Century | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1984 | Buick | Skylark | 2.5L | L4 | GAS | Pipe To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1984 | Chevrolet | Celebrity | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1984 | Chevrolet | Citation II | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1984 | Chevrolet | Citation II | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1984 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1984 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1984 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1984 | Pontiac | 6000 | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1984 | Pontiac | Phoenix | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1984 | Pontiac | Phoenix | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1983 | Buick | Century | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1983 | Buick | Skylark | 2.5L | L4 | GAS | Pipe To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1983 | Chevrolet | Celebrity | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1983 | Chevrolet | Citation | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1983 | Chevrolet | Citation | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1983 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1983 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1983 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1983 | Pontiac | 6000 | 2.5L | L4 | GAS | Pipe To Water Pump | Molded Heater Hose |
| 1983 | Pontiac | Phoenix | 2.5L | L4 | GAS | Pipe To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1982 | Buick | Century | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1982 | Buick | Skylark | 2.5L | L4 | GAS | Pipe To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1982 | Chevrolet | Celebrity | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1982 | Chevrolet | Citation | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1982 | Chevrolet | Citation | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1982 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1982 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1982 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1982 | Pontiac | 6000 | 2.5L | L4 | GAS | Pipe To Water Pump | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1982 | Pontiac | Phoenix | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-size heater hose suitable for air conditioning systems.; Molded Heater Hose |
| 1982 | Pontiac | Phoenix | 2.5L | L4 | GAS | Pipe To Thermostat | Cut-to-fit for vehicles without air conditioning; Molded Heater Hose |
| 1981 | Buick | Skylark | 2.5L | L4 | GAS | Pipe To Thermostat | Molded Heater Hose |
| 1981 | Chevrolet | Citation | 2.5L | L4 | GAS | Pipe To Thermostat | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose |
| 1981 | Chevrolet | Citation | 2.5L | L4 | GAS | Pipe To Thermostat | Not compatible with vehicles equipped with AC.; Molded Heater Hose |
| 1981 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose |
| 1981 | Oldsmobile | Omega | 2.5L | L4 | GAS | Pipe To Thermostat | Not compatible with vehicles equipped with AC.; Molded Heater Hose |
| 1981 | Pontiac | Phoenix | 2.5L | L4 | GAS | Pipe To Thermostat | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose |
| 1981 | Pontiac | Phoenix | 2.5L | L4 | GAS | Pipe To Thermostat | Not compatible with vehicles equipped with AC.; 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.