Polaris OEM Patriot 9R Piston Kit — 2209828
Polaris OEM Patriot 9R Piston Kit — 2209828
Polaris
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Most orders are ready within 24 hours. Supplier-order exceptions are confirmed by email; freight to A2D is included in the product price. Need same-day pickup? Call 907-306-3062.
Shipping options and charges are shown at checkout. Shipping information.
CHECK YOUR FITMENT
Confirm your machine’s year, model, submodel, and the selected size or option before ordering. Need help? Contact the A2D team.
Product details
Genuine Polaris piston kit for the Patriot 9R two-stroke engine (Polaris part 2209828, catalog name K-PISTON 900 SNOW [INCL. 1,2,4]). This is the same piston Polaris installs at the factory and lists in the 9R parts diagrams as the exact replacement for a worn or damaged 9R piston.
The 9R is a twin; this kit services one cylinder. Order two for a complete top-end rebuild. Sold each.
Fitment (Polaris parts diagrams, Engine – Piston and Crankshaft, all Patriot 9R models):
- 2023 Polaris Patriot 9R RMK Khaos Slash 146 / 155 / 163–165 and Pro RMK Slash 155 / 163–165
- 2024 Polaris Patriot 9R RMK Khaos Slash 146 / 155 / 165 and Pro RMK Slash 155 / 165
- 2025 Polaris Patriot 9R RMK Khaos 146 / 155 / 165, Indy XCR 128 / 136 and Switchback Assault 146
- 2026 Polaris Patriot 9R RMK Khaos 155 and Indy XCR 129
What is included
- Polaris OEM 9R piston (one)
- Piston ring (single-ring design; ring kit 2209829 is the separate replacement)
- Wrist pin and piston circlips
The small-end needle bearing (Polaris 3514909) is not included and should be replaced at the same time.
Specifications
| Manufacturer | Polaris (OEM) |
| Part number | 2209828 |
| Polaris catalog name | K-PISTON 900 SNOW [INCL. 1,2,4] |
| Engine | Polaris Patriot 9R (900 cc two-stroke twin) |
| Quantity | Sold each; two required per engine |
| Warranty | Polaris OEM parts warranty |
Ordering and installation: ships from stock at our Anchorage shop when on the shelf, otherwise ordered from Polaris; select in-store pickup at checkout if you are local. A2D Motorsports performs 9R top-end and full engine rebuilds in-house; call (907) 306-3062 to schedule.