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Four Seasons 85951 Engine Coolant Thermostat / Water Outlet Assembly
Overview of Four Seasons Water Outlet Assembly 85951
The Four Seasons Water Outlet Assembly 85951 is engineered for reliable engine coolant management in select Nissan and INFINITI vehicles. This assembly includes a thermostat and gasket, designed to maintain optimal engine temperature and ensure efficient coolant flow.
- Constructed from durable aluminum material for corrosion resistance
- Includes thermostat and gasket for complete installation
- Inside diameter of 1.220 inches and inlet diameter of 1.209 inches
- Maximum height of 2.981 inches with a mounting flange width of 0.708 inches
- Features three mounting holes with 2.42 inches bolt hole center-to-center spacing
- Meets or exceeds OEM specifications for reliable fit and function
- Compatible with multiple Nissan and INFINITI models including 350Z, Frontier, FX35, G35, NV1500, NV2500, NV3500, Pathfinder, and QX4
Four Seasons Water Outlet Product Line Details
The Water Outlet product line by Four Seasons focuses on engine coolant components designed to integrate seamlessly with existing cooling systems. This line includes assemblies that combine the thermostat and water outlet in one unit, simplifying replacement and ensuring consistent engine temperature regulation. The 85951 part number is part of this line, providing a reliable solution for coolant flow management in compatible vehicles.
Detailed Product Description
This engine coolant thermostat and water outlet assembly is crafted from aluminum, offering strength and resistance to corrosion from coolant exposure. The included thermostat regulates coolant flow based on engine temperature, while the gasket ensures a secure, leak-free seal during installation. The precise dimensions, including a 1.220-inch inside diameter and 1.209-inch inlet diameter, ensure proper fitment. The three mounting holes spaced 2.42 inches apart provide secure attachment to the engine block. Designed to meet or exceed OEM standards, this assembly supports the cooling system's efficiency and longevity.
Common Applications and Issues Addressed
- Replacement of faulty or leaking water outlet assemblies
- Thermostat failure causing engine overheating or poor temperature regulation
- Corrosion or damage to original aluminum water outlet components
- Coolant leaks around the thermostat housing area
- Maintaining proper coolant flow in Nissan 350Z, Frontier, FX35, G35, NV series, Pathfinder, and INFINITI QX4 vehicles
Installation Notes and Tips
- Ensure engine is cool before beginning installation to avoid burns
- Remove old gasket residue thoroughly to prevent leaks
- Verify mounting hole alignment using the 2.42-inch bolt hole center spacing
- Use proper torque specifications for mounting bolts to avoid damage
- Check coolant levels and bleed air from the system after installation
Quality Assurance and Warranty
The Four Seasons Water Outlet Assembly 85951 is manufactured to meet or exceed OEM quality standards, ensuring dependable performance and fitment. The inclusion of the thermostat and gasket provides a comprehensive replacement solution. While specific warranty details vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 85951 |
| Position | Water Outlet |
| Bolt Hole Center To Bolt Hole Center | 2.42 |
| Description | Engine Coolant Components |
| Gasket Or Seal Included | Included |
| Inlet Dia. IN | 1.209 |
| Inside Diameter | 1.220 |
| Material | Aluminum |
| Maximum Height | 2.981 |
| Meets / Exceeds OEM? | Yes |
| Mnt Flange Width IN | 0.708 |
| Mounting Hole Quantity | 3 |
| Style | w/ Thermostat |
| Thermostat Included? | Included |
| Type | Outlet |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Nissan | NV1500 | N/A | Water Outlet | |||||
| 2021 | Nissan | NV2500 | 4.0L | V6 | N/A | Water Outlet | |||
| 2021 | Nissan | NV3500 | 4.0L | V6 | N/A | Water Outlet | |||
| 2020 | Nissan | Frontier | N/A | Water Outlet | |||||
| 2020 | Nissan | NV1500 | N/A | Water Outlet | |||||
| 2020 | Nissan | NV2500 | 4.0L | V6 | N/A | Water Outlet | |||
| 2020 | Nissan | NV3500 | 4.0L | V6 | N/A | Water Outlet | |||
| 2019 | Nissan | Frontier | 4.0L | V6 | N/A | Water Outlet | |||
| 2019 | Nissan | NV1500 | N/A | Water Outlet | |||||
| 2019 | Nissan | NV2500 | 4.0L | V6 | N/A | Water Outlet | |||
| 2019 | Nissan | NV3500 | 4.0L | V6 | N/A | Water Outlet | |||
| 2008 | INFINITI | FX35 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | |||||
| 2007 | INFINITI | FX35 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | |||||
| 2007 | INFINITI | G35 | Coupe | 3.5L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | ||
| 2006 | INFINITI | FX35 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | |||||
| 2006 | INFINITI | G35 | Coupe | 3.5L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | ||
| 2006 | Nissan | 350Z | N/A | Water Outlet | |||||
| 2005 | INFINITI | FX35 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | |||||
| 2005 | INFINITI | G35 | Coupe | 3.5L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | ||
| 2005 | Nissan | 350Z | N/A | Water Outlet | |||||
| 2004 | INFINITI | FX35 | RWD | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | ||||
| 2004 | INFINITI | G35 | Coupe | 3.5L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | ||
| 2004 | Nissan | 350Z | N/A | Water Outlet | |||||
| 2004 | Nissan | Pathfinder | N/A | Water Outlet | |||||
| 2003 | INFINITI | FX35 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | |||||
| 2003 | INFINITI | G35 | Coupe | 3.5L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet | ||
| 2003 | INFINITI | QX4 | N/A | Water Outlet | |||||
| 2003 | Nissan | 350Z | N/A | Water Outlet | |||||
| 2003 | Nissan | Pathfinder | N/A | Water Outlet | |||||
| 2002 | INFINITI | QX4 | N/A | Water Outlet | |||||
| 2002 | Nissan | Pathfinder | Automatic | N/A | Water Outlet | ||||
| 2001 | Nissan | Pathfinder | Automatic | N/A | Water Outlet |
* 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.