HFP-281 is engineered as a direct replacement for OE # 3085275, ensuring original equipment fitment and superior performance for your 1998–2002 Big Boss 500, 2001 Worker 500, and 1997 Xplorer 500 Tired of sketchy used parts? QFS brings you an OE-quality mechanical fuel pump replacement for your Polaris, delivering the factory flow rate and dependability needed for consistent fuel delivery When should you replace your fuel pump? If your Atv 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 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. Easy Installation: Designed as a drop-in replacement, allowing for a straightforward, hassle-free installation. The fuel pump is designed for frame-mounted installation and performs at OE spec. This mechanical fuel pump is compatible with 1998–2002 Polaris Big Boss 500, 2001 Worker 500, and 1997 Xplorer 500