QuadBoss 17-19 Polaris ACE 500 Thermostat
Fits Polaris · 2011–2026
See all 95 models this fits
- Ranger Crew XP 1000 EPS High Lifter Edition
- Sportsman 570 6x6
- Sportsman 570
- Sportsman 450 HO EPS
- Sportsman 450 HO
- RZR 570 Premium
- RZR 570
- Ranger XP 1000 Trail Boss
- Ranger XP 1000 Texas Edition
- Ranger XP 1000 Premium
- Ranger XP 1000 NorthStar Edition Trail Boss
- Ranger Crew XP 1000 Premium
- Ranger Crew XP 1000 NorthStar Edition Trail Boss
- Ranger 570
- Sportsman 570 X2
- Sportsman 570 Premium
- Sportsman 570 Trail
- Sportsman 570 EPS
- Sportsman 450 HO Utility Edition
- Sportsman 570 Utility HD
- Sportsman 570 Hunter Edition
- Sportsman 570 EPS Utility Edition
- Sportsman 570 Utility HD LE
- RZR 900
- RZR 900 EPS
- Sportsman 570 SP
- RZR 570 EPS
- Ranger XP 1000 EPS Premium
- Ranger XP 1000 EPS Northstar HVAC Edition
- Ranger XP 1000 EPS High Lifter Edition
- Ranger XP 1000 EPS 20th Anniversary
- Ranger XP 1000 EPS
- Ranger Crew XP 1000 EPS Premium
- Ranger 570 EPS
- Ranger XP 1000 Northstar Edition
- RZR 900 Fox Edition
- RZR 900 Premium
- Sportsman 570 X2 EPS
- Sportsman 570 SP Hunters Edition
- Sportsman 570 Ultimate
- Sportsman 570 Touring Ultimate
- Ranger Crew XP 1000 Waterfowl Edition
- Sportsman 570 Premium 40th Anniversary
- Ranger Crew XP 1000 NorthStar Texas Edition
- Ranger XP 1000 Waterfowl Edition
- Ranger XP 1000 Big Game Edition
- Ranger Crew XP 1000 NorthStar Big Game Edition
- Ranger Crew XP 1000 Big Game Edition
- Sportsman 570 Ride Command Limited Edition
- Ranger 900 XP EPS LE
- Ranger 900 XP EPS Hunter Edition
- Ranger 900 XP EPS Deluxe
- Ranger 900 XP EPS Hunter Deluxe Edition
- Ranger 900 XP EPS Northstar Edition
- Ranger 900 XP EPS
- Ranger 900 XP
- RZR 900 EPS Trail
- RZR 570 EPS Trail
- RZR 800 XC Edition
- RZR 570 EPS LE
- Ranger 900 XP Deluxe
- Ranger 900 XP EPS Trail Edition
- RZR 900 EPS Trail Fox Edition LE
- ACE 570 SP
- ACE 900 SP
- Ranger RZR 800 LE
- Ranger 900 XP EPS Browning LE
- Ranger 900 XP Bronze Mist LE
- Ranger 800 EFI LE
- Ranger 800 EFI EPS LE
- Ranger 800 EFI EPS
- Ranger 800 EFI
- Ranger RZR 800 EPS LE
- Ranger RZR 570
- Ranger RZR 800
- Ranger 800 XP
- Ranger RZR 800 EPS
- Ranger Crew XP 1000 EPS 20th Anniversary
- RZR 900 EPS LE
- RZR 800 EPS LE
- RZR 800
- RZR 570 EPS Trail LE
- Ranger 570 EFI
- Ranger RZR 570 EPS Trail LE
- Ranger Crew XP 1000 EPS Northstar HVAC Edition
- Ranger Crew XP 1000 EPS
- ACE 900 XC
- ACE 570 EPS
- ACE 500
- Ranger XP 1000
- Ranger XP 1000 EPS Hunter Edition
- Ranger XP 1000 EPS Ranch Edition
- ACE 570
- Ranger 900 XP EPS High Lifter Edition
- Ranger Crew XP 1000
Year and model taken from the manufacturer's fitment data. Not sure? Ask us with your year, make and model.
- Genuine QuadBoss product, not a copy
- Authorized dealer — sourced from the manufacturer or their distributor
- Free US shipping over $150 · 90-day returns
Product details
QuadBoss 17-19 Polaris ACE 500 Thermostat
QuadBoss® Thermostats are a direct O.E. replacement that meets or exceeds factory specs. Installs and operates exactly like the factory unit.
| Brand | QuadBoss |
|---|---|
| Category | ATV & UTV |
| Part number | qbs403169 |
| UPC | 887337347103 |
| Shipping weight | 0.16 lb |
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Free US shipping over $150
$9.95 flat rate under $150, free above it. Most orders dispatch within 1–2 business days and arrive 3–5 business days after that.
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Ships from five US warehouses
Your order leaves whichever warehouse is closest to you, which is what keeps transit times short across the country.
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Fits your bike or your money back
Wrong fit? Send it back and we refund in full. Message us your year, make and model and we will confirm before you order.
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90-day returns, no restocking fees
Return any unused item in its original packaging within 90 days of delivery.
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Authorized dealer, genuine parts
Every part is sourced directly from the manufacturer or their authorized distributor — this one from QuadBoss.
Motorcycle parts are model specific and the same part often changes between model years. If you are not certain this one fits, ask us first — it takes a minute and it saves a return.
- Send the bike. Year, make, model and trim — for example “2021 Suzuki GSX-R750”.
- Send the VIN if you have it. It removes any doubt about a mid-year running change.
- We confirm before you order. A technician at the dealership checks this part against your bike. No charge, no obligation.