HFP-390-UR is engineered as a direct replacement for OE # 33D-13907-00-00, 33D-13907-01-00, ensuring superior performance and factory fuel pressure for your 2012–2018 Yamaha WR450F dirt bike This kit provides an OE-quality fuel pump replacement, including the necessary fuel strainers and fuel hose, replacing critical wear components for a dependable, cost-effective fix When should you replace your fuel pump? This pump delivers the precise 380KPA (55 psi) fuel pressure your Yamaha requires; if your motorcycle is hard to start, stalls, or loses power under load, the fuel pump is likely the culprit Some assembly required—but nothing a capable DIYer or tech can’t handle; with the included hose clamps and OE-fit components, this kit makes your repair straightforward and stress-free; Fix it once, fix it right Get back on the road with confidence – Guaranteed – As a US-based small business, we understand the frustration of downtime and are here to help you get back to your passion. Backed by our lifetime warranty, we stand by our products and our community Quantum replacement fuel pumps are designed to meet or exceed OE specifications, and feature upgrades that improve on the OE design. Upgraded polymers, brushes, and commutators ensure long life and durability in multiple fuel blends. Easy Installation: Designed as a drop-in replacement, allowing for a straightforward, hassle-free installation. Replace all worn components at once using our comprehensive install kit including fuel pump, strainer, hoses, and wiring. This fuel pump is designed for long term performance and tested rigorously at high rpm to ensure the longevity of the components. This fuel pump is compatible with 2012–2018 Yamaha WR450F.