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Gates 18423 HVAC Heater Hose - Auxiliary Heater Pipe-1 To Auxiliary Heater or Auxiliary Heater To Auxiliary Heater Pipe-2
Overview of Gates Molded Heater Hose 18423
The Gates Molded Heater Hose 18423 is designed for reliable HVAC system performance in select Buick, Oldsmobile, Pontiac, and Toyota 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 easy installation
- Centerline length of 246 mm (9.7 inches) for accurate replacement
- Inside diameter of 0.5 inches (13 mm) on both ends
- Compatible with multiple Buick, Oldsmobile, Pontiac, and Toyota models
Detailed Product Description
The Gates Molded Heater Hose 18423 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 246 mm (9.7 inches) and consistent inside diameters of 0.5 inches (13 mm) on both ends, ensuring a secure and leak-free connection. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, making it suitable for HVAC heater core connections in vehicles.
Compatible Vehicles and Applications
This HVAC heater hose is compatible with various models, including Buick LeSabre, Oldsmobile Delta 88, Pontiac Bonneville, Riviera, Toronado, Reatta, and Toyota 4Runner and Pickup trucks. The part number 18423 is specifically designed to replace worn or damaged heater hoses in these vehicles, maintaining proper coolant flow and heating system efficiency.
- Replaces cracked or leaking heater hoses
- Prevents coolant leaks in HVAC systems
- Restores proper heater core function
- Eliminates overheating issues related to faulty hoses
- Ensures consistent cabin heating performance
Installation Notes and Tips
When installing the Gates Molded Heater Hose 18423, ensure the hose is routed according to the vehicle’s original configuration to avoid kinks or interference with other components. Verify the inside diameter and length match the original hose to maintain proper coolant flow. Use appropriate clamps to secure the hose ends firmly and check for leaks after installation.
Quality Assurance and Warranty
Gates Molded Heater Hose 18423 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to a longer service life. 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 | 18423 |
| Position | Molded Heater Hose, Auxiliary Heater Pipe-1 To Auxiliary Heater and Auxiliary Heater To Auxiliary Heater Pipe-2 |
| Material | Epdm |
| End 1 Inside Diameter | .5 |
| End 1 Inside Diameter | 13 |
| End 2 Inside Diameter | .5 |
| End 2 Inside Diameter | 13 |
| Centerline Length | 246 |
| Centerline Length | 9.7 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 9.7 |
| Centerline Length (mm) | 246 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 53 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1990 | Buick | LeSabre | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1990 | Buick | Reatta | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1990 | Buick | Riviera | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1990 | Oldsmobile | 98 | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1990 | Oldsmobile | Delta 88 | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1990 | Oldsmobile | Toronado | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1990 | Pontiac | Bonneville | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Buick | LeSabre | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Buick | Reatta | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Buick | Riviera | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Oldsmobile | 98 | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Oldsmobile | Delta 88 | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Oldsmobile | Toronado | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Pontiac | Bonneville | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1989 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1989 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1989 | Toyota | 4Runner | 3.0L | V6 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1989 | Toyota | 4Runner | 3.0L | V6 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1989 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1989 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1989 | Toyota | Pickup | 3.0L | V6 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1989 | Toyota | Pickup | 3.0L | V6 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1988 | Buick | LeSabre | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1988 | Buick | Reatta | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1988 | Buick | Riviera | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1988 | Oldsmobile | 98 | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1988 | Oldsmobile | Delta 88 | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1988 | Oldsmobile | Toronado | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1988 | Pontiac | Bonneville | 3.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1988 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1988 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1988 | Toyota | 4Runner | 3.0L | V6 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1988 | Toyota | 4Runner | 3.0L | V6 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1988 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1988 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1988 | Toyota | Pickup | 3.0L | V6 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1988 | Toyota | Pickup | 3.0L | V6 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1987 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1987 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1987 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1987 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1986 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1986 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1986 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1986 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1985 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1985 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1985 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1985 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1984 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1984 | Toyota | 4Runner | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 1984 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater | Molded Heater Hose |
| 1984 | Toyota | Pickup | 2.4L | L4 | GAS | Auxiliary Heater To Auxiliary Heater Pipe-2 | 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.