Description
Polaris RZR 570 Engine Rebuild (2018–2022)
If your 2018–2022 Polaris 570 RZR engine has lost compression, developed rod noise, or started burning oil, we rebuild your original engine to restore performance and reliability.
Because we remanufacture engines in-house, we control machining, assembly, and final inspection from start to finish.
Before You Buy — Please Verify Your Crankshaft and Cylinder Head Type
This crankshaft replace OEM part number 2206356. The tapered end of the crankshaft has a diameter of 25mm, just behind the threaded end for the flywheel.The cylinder head is OEM part number 2206221, 3023441, 3022616, 3022521, 1204594, and 1204289 The exhaust port runs a round crush exhaust gasket. Please confirm your crankshaft MAG end diameter and the exhaust port matches this criteria. We recommend to confirm these parts are correct for your specific machine prior to purchase.
Fits the Following Machines
- 2018 RZR 570
2018 RZR 570 EPS
2019 RZR 570
2020 RZR 570
2021 RZR TRAIL 570/PREMIUM
2022 RZR TRAIL 570
What Your Engine Rebuild Includes
- Complete teardown, cleaning, and inspection of all components
- Crankshaft remanufactured with a new connecting rod and trued
- Cylinder inspected, bored, and honed to next oversize or replaced
- New moly piston and piston rings
- Cylinder head cleaned, decked, rebuilt, and shimmed to manufacturer specifications
- Manganese bronze exhaust valve guide upgrade for improved durability
- Intake valve guides inspected and replaced as needed
- Valves and seats recut and verified with vacuum testing
- Camshaft lobes and journals cleaned and polished, replaced if required
- Timing chain and oil pump chain inspected and replaced as needed
- Refurbished oil pump assembly
- Engine cases inspected for journal wear, cracks, or structural damage
- All gaskets and seals replaced
- Final assembly torqued to manufacturer specifications
Your rebuilt engine includes the necessary gaskets and seals to complete installation.
Warranty Coverage
Every rebuilt Polaris RZR 570 engine includes a standard 1-year no-fault warranty. In addition, you may upgrade to a 2-year no-fault, no-questions-asked warranty for an additional $450. With the upgraded plan, we replace your engine free of charge if anything happens during the coverage period.
For full details, review our engine warranty coverage page.
Core Options
To receive your rebuilt engine, you must send your original core or pay a refundable $800 core charge. If your core qualifies, we refund the full amount.
If you prefer to receive your engine first, contact us about exchange options. This applies to customers with a qualifying core.
Lead Time
Most engines ship within 5–10 business days. However, we recommend calling for current availability and updated lead times before placing your order.
Shipping Instructions
Before sending your engine, review our core shipping instructions for packaging and freight details.
Need Assistance?
If you have fitment questions or want to confirm availability, visit our help center or contact our team directly through our support page.
For break-in procedures and engine education, explore the REV6 blog.
Send in your core and rebuild your Polaris 570 Motor the right way.





















