
QuadBoss · New
QuadBoss Polaris Ranger/RZR/Sportsman Thermostat
MPN 401392 · Store SKU qbs401392
Supplier stock checked 11/7/2026, 10:28:21 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
QuadBoss® Thermostats are a direct O.E. replacement that meets or exceeds factory specs. Installs and operates exactly like the factory unit. QuadBoss 401392 Engine Cooling Thermostat
Manufacturer fitment & guides
Check 401392 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
More from QuadBoss ↗See the JuiceBuilt workshop ↗