Click “Add to Cart” Then select which machine you have that you want a stock ECU for and we will make you one on a guaranteed good ecu. We ship out same day.

ECU Identification: How to tell which ECU you need.

ME17.9.74 - This is the most common ECU, it has pins in both plugs. Generally they are 2014 and Newer with a few exceptions.

M17.8.7 Compatability:

• Ace 325: ALL

• Ace 570: 2015 & 2016

• Sportsman 325 ETX: 2015

• Sportsman 450: ALL

• Sportsman 550: 2014

• Sportsman 570: 2014-2016

• Sportsman 850XP: 2015+

• Sportsman 850HO:2015+

• Sportsman 1000: 2015-2016

• Sportsman 1000 Highlifter: ALL

• Scrambler 1000: 2014-2018

• Rzr 570: 2012-2016

• Rzr 800: 2011-2014

• Rzr 900XP: 2011-2014

• Ranger 570: 2014

• Ranger 800: 2011-2017

• Ranger 1000 Diesel: 2015-2019

*Part Number matching: when Polaris tunes these ecus they put a sticker over top of the actual part sticker, so if in question you can remove the top sticker to see the ecu model.

Returns/Testing:

We understand that some instances you might need an ECU to test your own machine to see if that is the problem, We don’t have a problem sending these out for testing, But if that’s what you are doing please let us know when you check out. There will be a 25% Restocking fee to cover our programming time and shipping to you.