OE Quality
60-Day Returns

Gates 18359 HVAC Heater Hose - Engine To Throttle Body
Overview of Gates Molded Heater Hose 18359
The Gates Molded Heater Hose 18359 is designed specifically for Toyota RAV4 models, providing reliable HVAC system performance. Made from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and leak prevention
- Inside diameter of 0.31 inches (8 mm) on both ends
- Centerline length of 12.4 inches (315 mm) for exact fitment
- Compatible with Toyota RAV4 HVAC systems
Detailed Product Description
The Gates Molded Heater Hose 18359 is engineered to meet the specific HVAC hose requirements of Toyota RAV4 vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for the demanding environment of automotive heating systems. The molded design ensures a precise shape that matches OEM specifications, reducing the risk of leaks and improving system reliability. With an inside diameter of 0.31 inches (8 mm) on both ends and a centerline length of 12.4 inches (315 mm), this hose fits seamlessly into the RAV4’s heater core and engine connections.
The Molded Heater Hose product line from Gates focuses on delivering hoses that are pre-formed to exact OEM shapes, eliminating the need for bending or cutting during installation. This reduces installation time and potential errors, ensuring a secure and efficient HVAC system operation.
Common Applications and Issues Addressed
- Replacement of worn or cracked heater hoses in Toyota RAV4 HVAC systems
- Prevention of coolant leaks that can cause engine overheating
- Restoration of proper heater core function for effective cabin heating
- Elimination of hose collapse or blockage affecting coolant flow
- Maintenance of HVAC system integrity during routine vehicle servicing
Installation Notes and Tips
- Verify hose dimensions and part number 18359 before installation
- Ensure all connections are clean and free of debris to prevent leaks
- Use proper clamps compatible with the 0.31 inch (8 mm) hose diameter
- Inspect surrounding components for wear or damage during replacement
- Follow Toyota RAV4 service manual guidelines for HVAC hose replacement
Quality Assurance and Warranty
Gates Molded Heater Hose 18359 is manufactured to meet strict quality standards, ensuring durability and performance in automotive HVAC applications. The EPDM material and molded construction provide resistance to heat, pressure, and chemical exposure typical in vehicle heating systems. While specific warranty details are not provided, Gates products generally adhere to industry quality controls and reliability benchmarks.
| Brand | Gates |
| Part Number | 18359 |
| Position | Molded Heater Hose, Engine To Throttle Body |
| Material | Epdm |
| End 1 Inside Diameter | .31 |
| End 1 Inside Diameter | 8 |
| End 2 Inside Diameter | .31 |
| End 2 Inside Diameter | 8 |
| Centerline Length | 12.4 |
| Centerline Length | 315 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 12.4 |
| Centerline Length (mm) | 315 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | Toyota | RAV4 | 2.4L | L4 | GAS | Engine To Throttle Body | Molded Heater Hose |
| 2007 | Toyota | RAV4 | 2.4L | L4 | GAS | Engine To Throttle Body | Molded Heater Hose |
| 2006 | Toyota | RAV4 | 2.4L | L4 | GAS | Engine To Throttle Body | 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.