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Gates 12311 HVAC Heater Hose - Heater To Pipe-2
Overview of Gates Molded Heater Hose 12311
The Gates Molded Heater Hose 12311 is designed specifically for Toyota Highlander models, providing reliable HVAC system performance. Constructed 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 material for heat and chemical resistance
- Molded design for precise fit and easy installation
- Inside diameter of 0.62 inches (16 mm) on both ends
- Centerline length of 8.48 inches (215 mm) for accurate fitment
- Compatible with Toyota Highlander HVAC systems
Detailed Product Description
The Gates Molded Heater Hose 12311 is engineered to meet the exact specifications required for the Toyota Highlander HVAC system. Made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, this hose maintains integrity under demanding operating conditions. The molded construction ensures a precise shape and fit, reducing the risk of leaks and improving system efficiency. Both ends feature an inside diameter of 0.62 inches (16 mm), matching OEM dimensions for seamless integration. With a centerline length of 8.48 inches (215 mm), this hose fits perfectly within the vehicle’s heating circuit without the need for modifications.
About the Molded Heater Hose Product Line
The Molded Heater Hose line by Gates focuses on delivering pre-formed hoses that match OEM specifications for various vehicle models. These hoses are designed to simplify installation and improve reliability by eliminating the need for bending or cutting. The molded design of the 12311 part number ensures consistent performance and durability, making it a suitable replacement for the Toyota Highlander’s HVAC heater hose.
Common Applications and Problem Solving
- Replacement of cracked or leaking heater hoses in Toyota Highlander HVAC systems
- Restoring proper coolant flow to the heater core for effective cabin heating
- Eliminating coolant leaks that cause engine overheating or loss of heat
- Addressing hose degradation due to heat and chemical exposure over time
- Ensuring a secure, OEM-spec fit to prevent HVAC system malfunctions
Installation Notes and Tips
When installing the Gates Molded Heater Hose 12311, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation matches the molded shape for proper fitment. Use appropriate clamps to secure both ends with 0.62 inch (16 mm) inside diameter connections. Inspect surrounding components for wear or damage during replacement to maintain system integrity.
Quality Assurance and Warranty
Gates manufactures the Molded Heater Hose 12311 to meet strict quality standards, using durable EPDM material and precise molding techniques. This part is designed to provide reliable service life consistent with OEM requirements. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement parts.
| Brand | Gates |
| Part Number | 12311 |
| Position | Molded Heater Hose, Heater To Pipe-2 |
| Material | Epdm |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .62 |
| End 2 Inside Diameter | 16 |
| Centerline Length | 215 |
| Centerline Length | 8.48 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 8.48 |
| Centerline Length (mm) | 215 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Toyota | Highlander | 3.5L | V6 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2018 | Toyota | Highlander | 2.7L | L4 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2018 | Toyota | Highlander | 3.5L | V6 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2017 | Toyota | Highlander | 2.7L | L4 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2017 | Toyota | Highlander | 3.5L | V6 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2016 | Toyota | Highlander | 2.7L | L4 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2016 | Toyota | Highlander | 3.5L | V6 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2015 | Toyota | Highlander | 2.7L | L4 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2015 | Toyota | Highlander | 3.5L | V6 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2014 | Toyota | Highlander | 2.7L | L4 | GAS | Heater To Pipe-2 | Fitment note: With Rear Heater; Molded Heater Hose |
| 2014 | Toyota | Highlander | 3.5L | V6 | GAS | Heater To Pipe-2 | Fitment note: With Rear 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.