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Stant 14687 Engine Coolant Thermostat
Reliable Engine Coolant Thermostat for Infiniti Q45
The Stant OE Type Thermostat 14687 is engineered to maintain optimal engine temperature for your Infiniti Q45. Designed with precise dimensions and a 170-degree Fahrenheit temperature rating, this thermostat ensures efficient coolant flow and engine performance.
- Bypass Plate Diameter: 1.11 inches
- Flange Diameter (Without Seal): 2.52 inches
- Height from Flange to Bottom: 1.26 inches
- Height from Flange to Top of Bridge: 0.98 inches
- Temperature Rating: 170 degrees Fahrenheit
Detailed Specifications and Product Line Information
The Stant OE Type Thermostat line is designed to meet original equipment specifications, providing reliable temperature regulation and durability. The 14687 thermostat features exact fitment dimensions to match the cooling system requirements of the Infiniti Q45, ensuring proper sealing and coolant bypass. Its 170-degree Fahrenheit opening temperature helps maintain engine efficiency by regulating coolant flow at the correct temperature threshold.
Applications and Problem Resolution
This engine coolant thermostat is compatible with Infiniti Q45 models and is intended to address common cooling system issues such as:
- Engine overheating due to stuck-closed thermostat
- Poor heater performance from stuck-open thermostat
- Inconsistent engine temperature regulation
- Coolant flow restriction affecting engine efficiency
- Premature engine wear caused by improper temperature control
Installation Notes and Tips
When installing the Stant OE Type Thermostat 14687, ensure the following:
- Verify compatibility with your Infiniti Q45 model year
- Inspect and clean the thermostat housing and gasket surfaces
- Use the correct bypass plate orientation for proper coolant flow
- Replace the seal or gasket to prevent leaks
- Bleed the cooling system to remove air pockets after installation
Quality Assurance and Warranty
Stant thermostats are manufactured to meet strict quality standards, ensuring reliable operation and durability. The OE Type Thermostat 14687 is designed to match original equipment specifications for the Infiniti Q45. While specific warranty details are not provided, Stant products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Stant |
| Part Number | 14687 |
| Position | OE Type Thermostat |
| Bypass Plate Diameter (in) | 1.11 |
| Flange Diameter (Without Seal) (in) | 2.52 |
| Freight Class | 70 |
| Height from Flange to Bottom (in) | 1.26 |
| Height from Flange to Top of Bridge (in) | 0.98 |
| Temperature (F) | 170 Degrees |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | INFINITI | Q45 | N/A | Temperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat |
| 1995 | INFINITI | Q45 | N/A | Temperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat |
| 1994 | INFINITI | Q45 | N/A | Temperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat |
| 1993 | INFINITI | Q45 | N/A | Temperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat |
| 1992 | INFINITI | Q45 | N/A | Temperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat |
| 1991 | INFINITI | Q45 | N/A | Temperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat |
| 1990 | INFINITI | Q45 | N/A | Temperature 170 Degrees; Gasket not required, use silicone; OE Temperature; OE Type Thermostat |
* 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.