Description

Can-Am Maverick X3 Master Engine Rebuild Kit for 2017–2023 Models

When your Can-Am Maverick X3 engine needs a full rebuild, this REV6 Master Engine Rebuild Kit brings together the major components commonly replaced during a complete engine overhaul. Designed for applicable 2017–2023 models, this package combines rotating assembly components, valve train parts, sealing components, and timing service parts into one organized rebuild solution.

Instead of sourcing dozens of individual components, this kit simplifies planning and keeps your build moving with matched parts selected for fitment and reliability.

This Kit Includes

• (6) Intake Valves — Replaces OEM#: 420855133
• (6) Exhaust Valves — Replaces OEM#: 420855146
• (3) Piston Kits — Replaces OEM#: 420893970
• (3) Connecting Rods — Replaces OEM#: 420917522
• (1) Crankshaft — Replaces OEM#: 420819935
• (1) Cam Chain — Replaces OEM#: 420297086
• (1) Valve Cover Gasket — Replaces OEM#: 420431801
• (6) Cam Housing Rings — Replaces OEM#: 420431760
• (3) Spark Plug Seals — Replaces OEM#: 420431751
• (1) Head Gasket — Replaces OEM#: 420431816
• (1) Exhaust Gasket — Replaces OEM#: 420431850
• (1) Cam Chain Tensioner Gasket — Replaces OEM#: 420430623
• (12) Valve Guide Seals — Replaces OEM#: 420431671
• (1) Sump Cover Gasket — Replaces OEM#: 420431845
• (1) Ignition Cover Gasket — Replaces OEM#: 420431640
• (1) PTO Cover Gasket — Replaces OEM#: 420450080
• (1) Base Plate Oil Pan Gasket — Replaces OEM#: 420431820
• (1) Oil Cooler Gasket — Replaces OEM#: 420431870
• (1) Oil Filter Housing O-Ring — Replaces OEM#: 420650500
• (1) Oil Pump O-Ring — Replaces OEM#: 420631830
• (2) Oil Filler Pipe O-Rings — Replaces OEM#: 420430440
• (1) Pressure Regulator O-Ring — Replaces OEM#: 420430624
• (2) Drain Plug Crush Washers — Replaces OEM#: 420552280
• (1) Water Pump Gasket — Replaces OEM#: 420431682
• (1) Main Oil Seal — Replaces OEM#: 420630153
• (1) Camshaft V Ring — Replaces OEM#: 420630127
• (1) Water Pump Oil Seal
• (1) Water Pump Mechanical Seal
• (6) Connecting Rod Bearings — Replaces OEM#: 420933195
• (4) Crank Bottom Bearings — Replaces OEM#: 420933185
• (4) Crank Top Bearings (Oil Hole) — Replaces OEM#: 420933180

Why Choose a Master Rebuild Kit?

A master rebuild kit helps reduce downtime by covering major wear components across the top end, bottom end, sealing surfaces, and timing system in one purchase.

Replacing components together also helps maintain compatibility and keeps your engine project organized from teardown through final assembly.

Supporting Performance Upgrades

Planning additional performance improvements while the engine is apart? Pair your rebuild with the Can-Am ECU / ECM Premium Tune Kit for supported models.

If you’re deciding between rebuild options, review our Engine Rebuild Kit Guide.

Build Support & Resources

Large rebuild projects come with questions, and our team is here to help. If you need help confirming fitment, matching parts to your build goals, or planning supporting upgrades, visit Contact REV6.

You can also review our Warranty Policy, browse the FAQ, or visit the Help Center.

Need additional flexibility for your engine project? Explore our financing options. Many customers use financing to complete larger rebuilds without delaying their riding season.

Take Action

Order your Can-Am Maverick X3 Master Engine Rebuild Kit and rebuild with confidence using components selected to support your next engine project.

Thank you for choosing REV6 — your trusted source for high-performance powersports engines and parts. Proudly supporting U.S. veterans and servicemembers with special discounts.