OE Quality
60-Day Returns

Gates 18197 HVAC Heater Hose - Pipe-1 To Throttle Body
Overview of Gates Molded Heater Hose 18197 for Toyota Avalon
The Gates Molded Heater Hose 18197 is designed specifically for the Toyota Avalon, providing reliable HVAC system performance. Made from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in your vehicle's heating system.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and easy installation
- Inside diameter of 0.31 inches (8 mm) on both ends
- Centerline length of 14.6 inches (371 mm) for accurate fitment
- Compatible with Toyota Avalon models requiring HVAC heater hose replacement
Detailed Product Description
The Gates Molded Heater Hose 18197 is engineered to meet the exact specifications of the Toyota Avalon HVAC system. Its EPDM construction offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for continuous operation in the vehicle's heating circuit. The molded design ensures a precise shape and length, with a centerline length of 14.6 inches (371 mm), which helps maintain proper coolant flow and prevents leaks. Both ends feature an inside diameter of 0.31 inches (8 mm), matching OEM dimensions for seamless integration without the need for modifications.
This hose is part of the Gates Molded Heater Hose product line, which focuses on delivering pre-formed hoses that simplify installation and improve reliability. By using molded hoses, the risk of kinks and improper routing is minimized, enhancing the overall HVAC system durability in Toyota Avalon vehicles.
Common Applications and Issues Addressed
- Replacement of worn or cracked heater hoses in Toyota Avalon HVAC systems
- Resolving coolant leaks that cause insufficient cabin heating
- Preventing overheating issues related to faulty heater hose connections
- Eliminating hose collapse or kinking that restricts coolant flow
- Maintaining proper heater core function for consistent vehicle interior temperature
Installation Notes and Tips
- Verify hose dimensions and fitment with your Toyota Avalon model before installation
- Ensure all connections are clean and free of debris to prevent leaks
- Use appropriate clamps to secure the hose ends firmly without over-tightening
- Inspect surrounding components for wear or damage during replacement
- Follow vehicle manufacturer guidelines for coolant system maintenance after installation
Quality Assurance and Warranty
Gates Molded Heater Hose 18197 is manufactured to meet strict quality standards, ensuring durability and performance in demanding automotive environments. The EPDM material and molded construction contribute to a reliable, long-lasting replacement part. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement components.
| Brand | Gates |
| Part Number | 18197 |
| Position | Molded Heater Hose, Pipe-1 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 | 14.6 |
| Centerline Length | 371 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 14.6 |
| Centerline Length (mm) | 371 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Toyota | Avalon | 3.0L | V6 | GAS | Pipe-1 To Throttle Body | Molded Heater Hose |
| 2003 | Toyota | Avalon | 3.0L | V6 | GAS | Pipe-1 To Throttle Body | Molded Heater Hose |
| 2002 | Toyota | Avalon | 3.0L | V6 | GAS | Pipe-1 To Throttle Body | Molded Heater Hose |
| 2001 | Toyota | Avalon | 3.0L | V6 | GAS | Pipe-1 To Throttle Body | Molded Heater Hose |
| 2000 | Toyota | Avalon | 3.0L | V6 | GAS | Pipe-1 To Throttle Body | Molded Heater Hose |
| 1999 | Toyota | Avalon | 3.0L | V6 | GAS | Pipe-1 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.