Cylinman Fuel Pump Kit for Yamaha Rhino 450/660 UTV — Direct-Fit Replacement with OEM Connectors

If your Yamaha Rhino 450 or 660 is experiencing fuel delivery issues or you're rebuilding the fuel system, this Cylinman fuel pump kit provides a straightforward swap. Designed to match the original equipment replacement numbers 5UG13910-01-00 and 5UG139100100, the unit fits models including YXR450, YXR660, Rhino 660 (2004–2007, 1/4" diameter), Rhino 450 (2008–2009), the Hunter edition, and the 450 Special Edition. The package contains everything shown so you can replace the pump without sourcing extra parts.

Will this pump fit my Yamaha Rhino or YXR UTV?

Yes — the kit targets specific Rhino and YXR model years and trims. Confirm compatibility by matching the listed replacement part numbers or by checking your existing pump's dimensions.

• Replacement part numbers: 5UG13910-01-00, 5UG139100100
• Compatible models: YXR450, YXR660, Rhino 660 (2004–2007, 1/4" diameter)
• Also fits Rhino 450 (2008–2009), Hunter and Special Edition trims
• Compare connector shape and mounting points to your original pump

What comes in the box and what tools will I need?

The kit ships with one complete fuel pump assembly as pictured; fuel lines or clamps beyond what's shown are not typically included. Basic hand tools and a safe workspace are required for removal and installation.

• Package includes: 1x Cylinman fuel pump kit (as pictured)
• Recommended tools: socket set, screwdrivers, pliers, fuel-safe container
• Allow time to depressurize the fuel system and follow safety precautions
• Contact seller within 24 hours if unsure about fit before installation

How do I know this is a quality replacement and not a generic mismatch?

Cylinman supplies pumps manufactured to match the fit and electrical connectors of Yamaha OEM units. Check part numbers and physical connector orientation to avoid surprises during installation.

• Engineered to align with OEM mounting points and electrical plugs
• Sold as a full kit to minimize compatibility issues
• Seller support available – replies promised within 24 hours for fitment questions
• Visual inspection recommended prior to installation

How should I maintain or inspect the installed pump?

After installation, run the engine and verify stable idle and no fuel leaks. Periodic inspections will catch loose fittings, cracked lines, or electrical corrosion before they cause failures.

• Check for fuel odor or drips around fittings after startup
• Inspect electrical connector for tightness and corrosion
• Replace fuel filter regularly to reduce pump strain
• Address unusual noises or performance drops promptly

Who is this for: Riders, home mechanics, and service shops working on Yamaha Rhino 450/660 and YXR450/YXR660 UTVs who need a dependable, drop-in fuel pump replacement. This Cylinman kit suits owners performing routine maintenance, restoring trail-ready performance, or replacing a failed pump with a part matched to Yamaha replacement numbers.