The AS551W is a direct-fit replacement 22mm Throttle Position Sensor (TPS) engineered for a wide range of Polaris ATV and UTV models from 2006 through 2016. Designed to restore precise throttle response and proper engine management, this sensor is built to OEM specifications for a straightforward, plug-and-play installation.
Key Features:
- Direct OEM Replacement – Engineered to replace Polaris OEM part numbers 3131705 and 3140173 with exact fit and function
- 22mm Throttle Body Fitment – Precisely sized for correct installation on compatible Polaris models
- Plug-and-Play Installation – Connects directly to the existing wiring harness with no cutting, splicing, or modifications required
- Restores Throttle Response – Delivers accurate throttle position data to the ECU for smooth, reliable engine performance
- Durable Construction – Built to withstand the vibration, heat, moisture, and outdoor exposure typical of ATV and UTV applications
Replaces OEM Part Numbers:
| OEM Part Number | Brand |
|---|---|
| 3131705 | Polaris |
| 3140173 | Polaris |
Fitment:
| Make | Model | Year Range |
|---|---|---|
| Polaris | Sportsman 500 | 2006–2013 |
| Polaris | Sportsman 550 | 2009–2013 |
| Polaris | Sportsman 570 | 2014–2016 |
| Polaris | Sportsman ACE 325 / 570 | 2015–2016 |
| Polaris | Ranger 500 EFI 4x4 | 2006–2011 |
| Polaris | Ranger 570 | 2014–2016 |
| Polaris | Ranger 800 4x4 / 6x6 | 2011–2016 |
| Polaris | RZR 800 | 2011–2015 |
| Polaris | RZR 570 EFI | 2013–2016 |