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Gates 18843 HVAC Heater Hose - Heater To Pipe
Overview of Gates Molded Heater Hose 18843
The Gates Molded Heater Hose 18843 is designed specifically for Toyota 4Runner and Pickup models, providing reliable HVAC system performance. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service.
- Made from high-quality EPDM for heat and chemical resistance
- Centerline length of 22.4 inches (569 mm) for precise fitment
- Inside diameter of 0.62 inches (16 mm) on both ends
- Molded design for exact OEM replacement
- Compatible with Toyota 4Runner and Pickup HVAC systems
Detailed Product Description
The Gates Molded Heater Hose 18843 is engineered to meet the specific HVAC requirements of Toyota 4Runner and Pickup vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding conditions. The hose features a molded design that matches the original equipment specifications, ensuring a secure and leak-free connection. With an inside diameter of 0.62 inches (16 mm) on both ends and a centerline length of 22.4 inches (569 mm), this heater hose fits precisely within the HVAC system, facilitating efficient coolant flow and heat transfer.
Applications and Problem Solving
- Replaces worn or cracked heater hoses in Toyota 4Runner and Pickup HVAC systems
- Prevents coolant leaks that can cause engine overheating
- Restores proper heater core function for consistent cabin heating
- Eliminates hose collapse or blockage that restricts coolant flow
- Addresses issues related to hose degradation from heat and chemical exposure
Installation Notes and Tips
- Ensure the engine is cool before removing the old heater hose
- Verify hose routing matches OEM specifications to avoid kinks or stress points
- Use appropriate clamps to secure hose ends firmly
- Inspect surrounding components for wear or damage during installation
- Check for leaks after installation by running the engine and monitoring the HVAC system
Quality Assurance and Warranty
Gates Molded Heater Hose 18843 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded construction provide reliable service life under typical operating conditions. While specific warranty details are not provided, Gates products are generally backed by the brand's commitment to quality and fitment accuracy for Toyota 4Runner and Pickup vehicles.
| Brand | Gates |
| Part Number | 18843 |
| Position | Molded Heater Hose, Heater To Pipe |
| Material | Epdm |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .62 |
| End 2 Inside Diameter | 16 |
| Centerline Length | 22.4 |
| Centerline Length | 569 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 22.4 |
| Centerline Length (mm) | 569 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1989 | Toyota | 4Runner | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1989 | Toyota | Pickup | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1988 | Toyota | 4Runner | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1988 | Toyota | Pickup | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1987 | Toyota | 4Runner | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1987 | Toyota | Pickup | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1986 | Toyota | 4Runner | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1986 | Toyota | Pickup | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1985 | Toyota | 4Runner | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1985 | Toyota | Pickup | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1984 | Toyota | 4Runner | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; Molded Heater Hose |
| 1984 | Toyota | Pickup | 2.4L | L4 | GAS | Heater To Pipe | With Auxiliary Heater; 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.