Description

Kawasaki Mule SX FI 4×4 FJ400 Engine 2019–2023

If your Kawasaki Mule SX FI 4×4 FJ400 Engine needs reliable power, REV6 is your go-to for expert rebuilds. We restore performance using precise parts and skilled craftsmanship. Moreover, every rebuild comes with a 1-Year Warranty and free nationwide shipping for total convenience.

Rebuild Highlights

• Core Inspection – We thoroughly evaluate each core before rebuild starts.
• Crankshaft & Rod Check – Ensures strength under heavy use.
• Cylinder Bore Service – Straightens, trues, and cross-hatches for perfect fit.
• New Pistons & Rings – Restores compression and fluid engine performance.
• Full Gasket Kit – Seals all connections against leaks.
• New Oil Seals – Prevents oil loss and extends engine lifespan.
• Valve Guide Seals – Enhances lubrication control.
• Valve & Head Tune-Up – Precision grinding and lash setting for peak performance.

Core Requirement

You must provide a rebuildable core to complete your order. If you don’t have one yet, a refundable core charge applies until we receive it. Once it’s in acceptable condition, we’ll finish your rebuild quickly.

Why Choose REV6?

Each engine is hand-assembled and/or hand-tested by our experienced technicians, then double-checked for quality assurance. As a result, your rebuild reliably outperforms typical replacements. For more info on service policies, visit our FAQ or Help Center.

Ready to Order?

Secure dependable performance. Order now for a rebuilt Kawasaki Mule SX FI 4×4 FJ400 Engine, backed by warranty and shipped nationwide—at no extra cost. For tailored guidance, explore our Engine Rebuild Kit Guide or contact us.

Thanks for trusting REV6. We take pride in building engines that power your ride reliably—mile after mile.