QuadBoss 401392 Thermostat for Polaris Ranger/RZR/Sportsman

QuadBoss® Thermostats are a direct O.E. replacement that meets or exceeds factory specs. Installs and operates exactly like the factory unit.

• Helps maintain optimal engine operating temperature
• Precision engineered for consistent coolant flow
• OEM style replacement for reliable performance

The QuadBoss 401392 thermostat is a direct O.E. replacement designed to help maintain optimal engine operating temperature. It installs and operates like the factory unit while providing precision-engineered coolant flow and reliable performance.

This OEM-style replacement thermostat fits select Polaris powersports applications, including the 2005–2009 and 2011–2012 Polaris Sportsman 800 EFI, 2005 Polaris Sportsman MV7, and 2010 Polaris Ranger 6x6 800. Verify the vehicle year and model against the fitment information before ordering.

Manufacturer part number: 401392. Vendor part number: 401392. Brand: QuadBoss.

Features:

• Direct O.E. replacement thermostat
• Helps maintain optimal engine operating temperature
• Precision engineered for consistent coolant flow
• OEM-style replacement for reliable performance
• Fits 2005–2009 and 2011–2012 Polaris Sportsman 800 EFI
• Fits 2005 Polaris Sportsman MV7
• Fits 2010 Polaris Ranger 6x6 800

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Fitment:
2002 Polaris Sportsman 700 Base
2003 Polaris Sportsman 600 Base
2003 Polaris Sportsman 700 Base
2004 Polaris Sportsman 600 Base
2004 Polaris Sportsman 700 Base
2004 Polaris Sportsman 700 Efi Base
2005 Polaris Sportsman 600 Base
2005 Polaris Sportsman 700 Base
2005 Polaris Sportsman 700 Efi Base
2005 Polaris Sportsman 800 EFI Base
2005 Polaris Sportsman MV7 Base
2006 Polaris Ranger 6x6 700 EFI Base
2006 Polaris Sportsman 700 Base
2006 Polaris Sportsman 700 Efi Base
2006 Polaris Sportsman 800 EFI Base
2007 Polaris Ranger 6x6 700 EFI Base
2007 Polaris Sportsman 700 Efi Base
2007 Polaris Sportsman 800 EFI Base
2007 Polaris Sportsman 800 EFI X2 Base
2007 Polaris Sportsman 800 EFI X2 Deluxe Base
2008 Polaris Ranger 6x6 700 EFI Base
2008 Polaris Ranger Crew 700 Base
2008 Polaris Ranger RZR 800 Base
2008 Polaris Sportsman 700 EFI X2 Base
2008 Polaris Sportsman 800 EFI Base
2008 Polaris Sportsman 800 EFI HO Base
2008 Polaris Sportsman 800 EFI Touring Base
2008 Polaris Sportsman 800 EFI X2 Base
2008 Polaris Sportsman 800 HO EFI Military Base
2009 Polaris Ranger 6x6 700 EFI Base
2009 Polaris Ranger Crew 700 Base
2009 Polaris Ranger RZR 800 Base
2009 Polaris Ranger RZR 800 S Base
2009 Polaris Ranger RZR S Military Base
2009 Polaris Sportsman 800 EFI Base
2009 Polaris Sportsman 800 EFI HO Base
2009 Polaris Sportsman 800 EFI Touring Base
2009 Polaris Sportsman 800 EFI X2 Base
2010 Polaris Ranger 6x6 800 Base
2010 Polaris Ranger 800 Crew Base
2010 Polaris Ranger 800 Crew EPS Base
2010 Polaris Ranger 800 HD Base
2010 Polaris Ranger 800 XP Base
2010 Polaris Ranger RZR 4 800 Gordon Edition Base
2010 Polaris Ranger RZR 800 Base
2010 Polaris Ranger RZR 800 S Base
2010 Polaris Sportsman 800 EFI Base
2011 Polaris Ranger RZR 4 800 Gordon Edition Base
2011 Polaris Ranger RZR 800 S Base
2011 Polaris Ranger RZR 800 SW Military Base
2011 Polaris Sportsman 800 EFI Base
2012 Polaris Ranger RZR 800 S Base
2012 Polaris Ranger RZR 800 S LE Base
2012 Polaris Sportsman 800 6x6 Big Boss Base
2012 Polaris Sportsman 800 EFI Base
2012 Polaris Sportsman Forest 800 Base
2013 Polaris Ranger RZR 800 S Base
2013 Polaris Ranger RZR 800 S LE Base
2013 Polaris Ranger RZR S 800 EPS LE Base
2013 Polaris Sportsman 800 6x6 Big Boss Base
2013 Polaris Sportsman 800 EFI Base
2013 Polaris Sportsman Forest 800 Base
2013 Polaris Sportsman Forest 800 6x6 Base
2014 Polaris Sportsman 800 6x6 Big Boss Base
2014 Polaris Sportsman 800 EFI Base
2014 Polaris Sportsman Forest 800 Base
2014 Polaris Sportsman Forest 800 6x6 Base
2015 Polaris Ranger ETX Base
2015 Polaris Sportsman ETX Base
2016 Polaris Ranger ETX Base