Description

Rebuild your Outlander’s entire engine with confidence using the REV6 Master Engine Rebuild Kit. This all-in-one kit includes every internal part—top and bottom end—to return your ride to peak performance.

Each part is made to factory specs and inspected for quality. Because of that care, your engine will run smoother, seal tighter, and hold up longer under tough conditions. You get a crankshaft, piston kits, cylinders, intake and exhaust valves, bearings, gaskets, seals, and cam chains all in one package. In addition, your kit ships nationwide and comes with a 1-year warranty. You can also choose a 2-year no-fault upgrade.

With years of experience in Powersports engines and parts, REV6 ensures every component arrives ready to perform. Need help with torque specs or rebuild steps? Visit our REV6 Blog or check our FAQ section. You may also reach our support team via the Contact page. Therefore, whether you’re a seasoned mechanic or doing your first rebuild, this kit gives you the parts and support you need.

This Kit Includes:

• (1) Complete Gasket Kit — Replaces OEM#: 420684167
• (1) Crankshaft — Replaces OEM#: 420219745
• (2) PTO Bearings — Replaces OEM#: 420233995
• (2) Main Case Bearings — Replaces OEM#: 4202233960
• (2) Case Bearings — Replaces OEM#: 420233965
• (1) Oil Seal Set — OEM-matched
• (2) Piston Kits — Replaces OEM#: 420686310
• (2) Cam Chains — Replaces OEM#: 420297063
• (1) Water Pump Seal — OEM-matched
• (1) Rear Cylinder — Replaces OEM#: 420413269
• (1) Front Cylinder — Replaces OEM#: 420413263
• (4) Intake Valves — Replaces OEM#: 420254367
• (4) Exhaust Valves — Replaces OEM#: 420855029

Take Action

Order your Master Engine Rebuild Kit today and get everything you need to restore your Outlander 850’s internals. For detailed coverage and return terms, refer to our warranty policy and core return program.

If you want flexible payment or shipment help, explore our financing options or consult the Help Center. Because your rebuild matters, we back you from order placement to final install.

Thank you for choosing REV6 — trusted by riders who expect precision, durability, and performance from their Powersports engines and parts. We proudly support veterans and servicemembers with exclusive discounts as our way of showing appreciation.