RALZAOTO Fuel Pump Assembly for Yamaha Grizzly Kodiak Wolverine YXZ1000 (2007–2020) — Direct-Fit OE Replacement, Restores Fuel Pre

RALZAOTO's 3B4-13907-10-00 fuel pump assembly is a direct-fit replacement designed to restore reliable fuel delivery for 2007–2020 Grizzly, Kodiak, Wolverine, Viking and YXZ models.

This replacement fuel pump assembly matches OE fitment for multiple Yamaha-based ATV and side-by-side models and is offered under part numbers 3B4-13907-10-00, 3B4-13907-00-00 and B16-13907-01-00. Built and tested to the same quality expectations as original equipment pumps, it supplies consistent fuel pressure and flow to promote smooth throttle response and steady engine performance. The unit is intended as a direct swap for worn or failing fuel pumps and is recommended to be installed by a qualified mechanic to ensure correct operation and safety.

How do I know this pump fits my vehicle?

Compatibility is keyed to model and year. This assembly is made to replace OEM fuel pumps on many Yamaha-derived machines from 2007 through 2020, including Grizzly, Kodiak, Wolverine X2/X4, Viking 700, and YXZ1000/YXZ1000R.

• Replaces part numbers 3B4-13907-10-00, 3B4-13907-00-00, B16-13907-01-00.
• Fits Grizzly 700/550 4WD, Kodiak, Wolverine, Viking 700 and YXZ1000 series (2007–2020).
• Verify your OEM part number and tank connector before purchase to ensure exact match.

What improvements can I expect after installing this pump?

The pump restores steady fuel delivery and helps eliminate symptoms tied to weak or intermittent pumps, such as sputtering, hesitation, or loss of power under load. It’s designed to operate quietly while maintaining proper fuel pressure for consistent engine performance.

• Stable fuel flow for smoother throttle response and idle consistency.
• Low operational noise compared with failing pumps.
• Manufactured and tested to meet OE-style durability standards.

Is installation difficult and what should I prepare?

Installation is a direct replacement procedure but usually requires disassembly of the fuel tank and fuel line connections. Professional installation is recommended if you lack experience with fuel system work; this minimizes risk and ensures correct sealing and electrical connections.

• Requires fuel tank access and basic hand tools; protective gloves and eye protection advised.
• Check hoses, clamps, and electrical connectors; replace any worn parts during installation.
• Have a qualified mechanic confirm fuel pressure and leak-free operation after fitment.

How durable is this replacement pump and what support is available?

Components are built to the same performance-focused standards as OE pumps and are bench-tested to help ensure long service life under normal operating conditions. RALZAOTO provides customer support for questions during purchase and installation to help you complete the replacement with confidence.

• Constructed and tested to match OE fuel pump quality benchmarks.
• Designed to deliver consistent fuel pressure across a variety of operating loads.
• Customer service available for installation questions or fitment clarifications.

Who is this for: Riders and owners of 2007–2020 Yamaha Grizzly, Kodiak, Wolverine, Viking and YXZ machines who need a reliable, direct-fit fuel pump replacement. This assembly suits DIY mechanics comfortable with fuel-system work as well as shops restoring proper fuel delivery for vehicles showing hesitation, poor idle, or fuel-pressure-related faults. If you require guaranteed OEM provenance, check your vehicle’s original part number and consult a technician before ordering.