Description

Polaris 570 Ranger Remanufactured Engine (2018-2021)

If your 2018-2021 Polaris 570 Ranger engine has developed low compression, excessive oil consumption, or bottom-end noise, we rebuild your original engine to restore strength and reliability.

You may also choose to pay a refundable $800 core charge if you need your rebuilt engine first. Once your original core qualifies, we refund the full amount. Contact us to discuss core exchange options.

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. We recommend to confirm these parts are correct for your specific machine prior to purchase.

This engine Rebuild Service is for the Following Machines:

• 2018 RANGER 570
  2018 RANGER 570 FULL SIZE
  2018 RANGER CREW 570
  2018 RANGER CREW 570 FULLSIZE
  2019 RANGER 570
  2019 RANGER 570 FULL SIZE
  2019 RANGER CREW 570
  2019 RANGER CREW 570 FULL SIZE
  2020 RANGER 570
  2020 RANGER 570 FULL SIZE
  2020 RANGER CREW 570
  2020 RANGER CREW 570 FULL SIZE
  2021 RANGER 570
  2021 RANGER 570 FULL SIZE
  2021 RANGER CREW 570
  2021 RANGER CREW 570 FULL SIZE

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 excessive damage
• All gaskets and seals replaced
• Final assembly torqued to manufacturer specifications

Warranty Coverage

Every Polaris 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 added protection.

For full details, visit our engine warranty coverage page.

Dual Technician Quality Control

First, a technician completes the rebuild and verifies all measurements and tolerances. Next, a second technician performs a full inspection before shipment. Because every engine passes through dual inspections, it leaves our facility better than new.

Core Requirements

Send your original engine core, or pay a refundable $800 core charge. If your core qualifies, we refund the full amount. Engines are scheduled in the order cores are received.

Lead Time

Most Polaris 570 engines ship within 5–10 business days. However, we recommend calling for current availability before shipping your core.

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 get your Polaris 570 engine rebuilt the right way.