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Gates 51549 Radiator Coolant Hose - Heater Inlet
Overview of Gates Molded Coolant Hose 51549
The Gates Molded Coolant Hose 51549 is designed specifically for Toyota Highlander models, providing reliable radiator coolant flow. Constructed from durable EPDM and plastic materials, this molded hose ensures consistent performance under typical engine cooling system conditions.
- Made from EPDM and plastic for heat and chemical resistance
- Molded design for precise fit and secure connections
- Centerline length options: 15, 22, and 559 mm for accurate routing
- Inside diameter of 15 mm (0.6 inches) on both ends for compatibility
- Single branch modular hose without spring reinforcement
About the Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on pre-formed hoses engineered to match specific vehicle cooling system layouts. This product line eliminates the need for custom bending or shaping, reducing installation time and potential leaks. The 51549 part benefits from this design approach, ensuring a precise fit for the Toyota Highlander radiator coolant system.
Detailed Product Description
The Gates 51549 radiator coolant hose is manufactured using EPDM rubber combined with plastic components, materials known for their resistance to heat, ozone, and coolant chemicals. The molded construction provides a consistent shape that aligns with the Toyota Highlander's cooling system requirements. With a centerline length available in multiple measurements (15 mm, 22 mm, and 559 mm), this hose accommodates specific routing needs. Both ends feature an inside diameter of 15 mm (0.6 inches), ensuring compatibility with corresponding radiator and engine fittings. This hose does not contain a spring reinforcement, which is typical for certain radiator hose applications where flexibility and molded shape are prioritized.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses on Toyota Highlander vehicles
- Addressing coolant leaks caused by hose degradation or damage
- Restoring proper coolant flow to prevent engine overheating
- Eliminating coolant contamination from hose material breakdown
- Ensuring secure connections in the cooling system with molded hose design
Installation Notes and Tips
When installing the Gates Molded Coolant Hose 51549, verify the correct orientation based on the molded shape to match the Toyota Highlanderβs cooling system layout. Ensure all clamps are properly tightened to prevent leaks but avoid over-tightening which can damage the hose ends. Inspect mating surfaces for corrosion or debris before installation. Since this hose does not include quick connect fittings or springs, use appropriate clamps compatible with the hose diameter.
Quality Assurance and Warranty
Gates manufactures the Molded Coolant Hose 51549 to meet OEM specifications for durability and performance. The use of EPDM and plastic materials ensures resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Gates products typically adhere to industry standards for quality and reliability.
| Brand | Gates |
| Part Number | 51549 |
| Position | Molded Coolant Hose, Heater Inlet |
| Material | Epdm, plastic |
| End 1 Inside Diameter | .6 |
| End 1 Inside Diameter | 15 |
| End 2 Inside Diameter | .6 |
| End 2 Inside Diameter | 15 |
| Contains Spring | No |
| Centerline Length | 15 |
| Centerline Length | 22 |
| Centerline Length | 559 |
| End 3 Inside Diameter | .6 |
| Branch Quantity | 1 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Components | Branch |
| Modular Hose | Yes |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Toyota | Highlander | 3.5L | V6 | GAS | Heater Inlet | Rear Heater Not Included; Molded Coolant Hose |
| 2017 | Toyota | Highlander | 3.5L | V6 | GAS | Heater Inlet | Rear Heater Not Included; Molded Coolant Hose |
| 2016 | Toyota | Highlander | 3.5L | V6 | GAS | Heater Inlet | Rear Heater Not Included; Molded Coolant Hose |
| 2015 | Toyota | Highlander | 3.5L | V6 | GAS | Heater Inlet | Rear Heater Not Included; Molded Coolant Hose |
| 2014 | Toyota | Highlander | 3.5L | V6 | GAS | Heater Inlet | Rear Heater Not Included; Molded Coolant 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.