HFP-361-URTF is engineered as a direct replacement for OE # 2520437, 2520775, 2520438, 2520496, 2520498, 2520311, ensuring original equipment fitment and superior performance for your 2006 Sportsman 500, 2008 Sportsman 500 HO X2, 2006-2007 Sportsman 500 X2, 2007 Sportsman 550, 2004-2006 Sportsman 700, 2005-2006 Sportsman 800 Efi, and 2007 Sportsman 800 X2 Don't risk component failure by mixing old and new parts; this comprehensive kit provides a full systems refresh, including a new pump, pressure regulator, fuel filter, tank seal, hose, clamps, and connectors for a dependable, cost-effective fix When should you replace your fuel pump? If your Polaris 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 on the trail Some assembly required—but nothing a capable DIYer or tech can’t handle; With OE-fit components and clear compatibility, this fuel pump replacement kit makes your repair straightforward and stress-free; Fix it once, fix it right Get back on the trail 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 OEM specifications, and feature upgrades that improve on the OEM 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 Strainers, Pressure Regulator, Tank Seal, Fuel Filter, Rubber Hose, Female Spade Connectors, Hose Clamps, and a Rubber Boot. 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 2006 Sportsman 500, 2008 Sportsman 500 HO X2, 2006-2007 Sportsman 500 X2, 2007 Sportsman 550, 2004-2006 Sportsman 700, 2005-2006 Sportsman 800 Efi, and 2007 Sportsman 800 X2