# 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.

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

This Part Fits:

Year

Make

Model

Submodel

2017-2019

Polaris

ACE 500

Base

2016-2017

Polaris

ACE 570

Base

2015-2021

Polaris

Ranger 570

Base

2013-2017

Polaris

Ranger 900 XP

Base

2017

Polaris

Ranger XP 1000

Base

2018-2019

Polaris

Ranger XP 900

Base

2014-2021

Polaris

RZR 570

Base

2014

Polaris

RZR 800

Base

2015-2020

Polaris

RZR 900

Base

2014-2022

Polaris

Sportsman 570

Base

## Details

- **Price:** 119.31 CAD
- **Vendor:** QuadBoss
- **Type:** Thermostats

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 119.31 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/quadboss-17-19-polaris-ace-500-thermostat)
> Updated: 2026-06-27