New Arrivals/Restock

Thermostat with Seal – Replacement for Polaris Sportsman, Ranger, Magnum 400 425 500 ATV/UTV Models – Replaces 3084940 and 3090049

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$14.97 cheaper than the new price!!

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Product details

Management number 217686522 Release Date 2026/04/19 List Price $9.98 Model Number 217686522
Category

Replace your old or sticking thermostat with this high-quality aftermarket unit. Designed for a direct fit and reliable performance, this thermostat includes the rubber seal and opens approximately 10 degrees sooner than the original factory version—helping your engine run cooler in demanding conditions. Compatible with select 400, 425, and 500cc ATV/UTV models. Replaces OEM part numbers 3084940 and 3090049. FITS THE FOLLOWING MODEL(S): 1998–1999 Big Boss 500 2011–2013 Hawkeye 400 HO 1995–1998 Magnum 425 1999–2003 Magnum 500 1999 Ranger 2010–2014 Ranger 400 Ranger 500 Series 11 2004–2013 Ranger 500 Ranger 500 Series 10 1997–2012 Scrambler 500 2001–2005 Sportsman 400 2011–2014 Sportsman 400 2008–2010 Sportsman 400 HO 2006–2007 Sportsman 450 1996–2013 Sportsman 500 2008–2013 Sportsman Touring 500 2006–2009 Sportsman X2 500 1999 Worker 500 2001 Worker 500 2000 Xpedition 325 2000–2002 Xpedition 425 1997 Xplorer 500 Note: This is not an OEM part. It is a high-quality replacement compatible with listed models.

  • Replacement Polaris Magnum, Ranger and Sportsman Thermostat
  • Includes rubber seal for complete installation
  • Opens earlier than factory thermostat for cooler engine performance
  • Fits 400, 450 and 500 engines
  • Replaces Polaris part numbers 3084940 and 3090049
  • See full fitment list in product description
Brand Quad Logic
Item Weight 1.06 ounces
Manufacturer Quad Logic
OEM Part Number 3084940
Package Dimensions 3.54 x 1.97 x 1.1 inches
Manufacturer Part Number 100-2071
Is Discontinued By Manufacturer No

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