HomeBelts and Cooling > Thermostat and HousingFour Seasons 85951 Engine Coolant Thermostat / Water Outlet Assembly
Part #: 85951

Four Seasons 85951 Engine Coolant Thermostat / Water Outlet Assembly

Water Outlet
⚙️ 32 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Water Outlet
🚗Fitment: Nissan and INFINITI, NV1500, NV2500, NV3500, Frontier, FX35, G35, 350Z, Pathfinder, and QX4
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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.

BrandFour Seasons
Part Number85951
PositionWater Outlet
Bolt Hole Center To Bolt Hole Center2.42
DescriptionEngine Coolant Components
Gasket Or Seal IncludedIncluded
Inlet Dia. IN1.209
Inside Diameter1.220
MaterialAluminum
Maximum Height2.981
Meets / Exceeds OEM?Yes
Mnt Flange Width IN0.708
Mounting Hole Quantity3
Stylew/ Thermostat
Thermostat Included?Included
TypeOutlet

This part fits 32 vehicles. Search below:

YearMakeModelBody TypeDrive TypeTransmissionLitersCylindersPositionNotes
2021NissanNV1500N/AWater Outlet
2021NissanNV25004.0LV6N/AWater Outlet
2021NissanNV35004.0LV6N/AWater Outlet
2020NissanFrontierN/AWater Outlet
2020NissanNV1500N/AWater Outlet
2020NissanNV25004.0LV6N/AWater Outlet
2020NissanNV35004.0LV6N/AWater Outlet
2019NissanFrontier4.0LV6N/AWater Outlet
2019NissanNV1500N/AWater Outlet
2019NissanNV25004.0LV6N/AWater Outlet
2019NissanNV35004.0LV6N/AWater Outlet
2008INFINITIFX35N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2007INFINITIFX35N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2007INFINITIG35Coupe3.5LV6N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2006INFINITIFX35N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2006INFINITIG35Coupe3.5LV6N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2006Nissan350ZN/AWater Outlet
2005INFINITIFX35N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2005INFINITIG35Coupe3.5LV6N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2005Nissan350ZN/AWater Outlet
2004INFINITIFX35RWDN/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2004INFINITIG35Coupe3.5LV6N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2004Nissan350ZN/AWater Outlet
2004NissanPathfinderN/AWater Outlet
2003INFINITIFX35N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2003INFINITIG35Coupe3.5LV6N/AThermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Water Outlet
2003INFINITIQX4N/AWater Outlet
2003Nissan350ZN/AWater Outlet
2003NissanPathfinderN/AWater Outlet
2002INFINITIQX4N/AWater Outlet
2002NissanPathfinderAutomaticN/AWater Outlet
2001NissanPathfinderAutomaticN/AWater 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:

146682120031U132120031U1B34041391180605201560540081815769859519025249W98481

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.