Motorad 268-192 Engine Coolant Thermostat

Engine Coolant Thermostat for Nissan and Infiniti

The Motorad Standard 268-192 engine coolant thermostat is a 192°F replacement built for precise coolant temperature control in a wide range of Nissan and Infiniti applications. It uses OEM-quality materials and OE-supplier manufacturing processes to deliver consistent response to coolant temperature changes.

For drivers searching for a 192 degree thermostat for Nissan Frontier, Xterra, Pathfinder, Maxima, or Infiniti Q45 applications, this part number 268-192 provides a direct-fit service solution for many factory cooling systems.

Key Features

• 192°F thermostat calibration for standard cooling-system operation
• Copper case construction with wax compound for quick reaction to temperature changes
• Manufactured to OEM specifications and processes
• Built to OE quality materials and safety standards
• Sealing flange outside diameter: 2.52 in
• Bypass diameter: 0.98 in
• Bypass length: 1.88 in
• Flange thickness: 0.05 in
• Gasket or seal not included
• Jiggle pin weep hole not included

Product Details

The Motorad Standard line focuses on straightforward replacement cooling components built to match original equipment requirements. Part number 268-192 is an engine coolant thermostat for vehicles that call for a 192°F opening temperature, helping regulate coolant flow through the radiator and engine passages. Its copper case and wax motor construction support responsive temperature control, which is important in systems that rely on stable operating temperature for drivability and emissions performance.

This part cross-references Four Seasons 26892 and OSC 3949 for the same application. It is a fitment-based replacement for Nissan Frontier, Nissan Xterra, Nissan Pathfinder, Nissan Maxima, Nissan 300ZX, Nissan D21, Nissan Quest, Nissan Pickup, Nissan 200SX, Infiniti Q45, Infiniti QX4, Infiniti J30, Infiniti M30, and Mercury Villager applications listed below.

What It Helps Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuation caused by a worn thermostat
• Coolant flow control issues in the thermostat housing circuit
• Overheating concerns related to delayed thermostat response
• Service replacement for aging factory thermostat components

Installation Notes and Tips

• Fits 1999-2004 Nissan Frontier, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 2000-2004 Nissan Xterra, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1993-2002 Mercury Villager, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1993-2002 Nissan Quest, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1997-2001 INFINITI Q45, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1997-2000 INFINITI QX4, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1987-2000 Nissan Pathfinder, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1993-1997 INFINITI J30, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1984-1996 Nissan 300ZX, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1995 Nissan Pickup, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1986-1994 Nissan D21, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1985-1994 Nissan Maxima, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1990-1992 INFINITI M30, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Fits 1987-1988 Nissan 200SX, N/A; Temperature 192F; Use Silicone Sealant; Higher Alternate Temperature Replacement; Standard
• Use silicone sealant where specified in the fitment notes.

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and OE-supplier production standards. The copper case and wax compound are selected to provide consistent temperature response in demanding automotive cooling systems.