HFP-390-U is engineered as a direct replacement for OE # 3B3-E3907-11-00, 5S9-E3907-10-00, 5S9-E3907-12-00, ensuring superior performance for your 2009–2021 Yamaha Zuma 125, 2012–2019 Zuma 50F, and 2014–2018 Zuma 50FX scooters This kit provides an OE-quality fuel pump replacement, including the necessary fuel strainers, replacing critical wear components for a dependable, cost-effective fix When should you replace your fuel pump? If your scooter is hard to start, stalls, sputters or loses power under load, your fuel pump is likely the culprit; don't wait until it leaves you stranded Some assembly required—but nothing a capable DIYer or tech can’t handle; with the included fuel hose and hose clamps, 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 2009–2021 Yamaha Zuma 125, 2012–2019 Zuma 50F, and 2014–2018 Zuma 50FX scooters