Genuine Graco Endurance Pumps lead the industry in durability and ease of installation. Keep a spare on hand to minimize downtime in the field. Replacement pump for new Ultra 390, 395, 450 and Ultra 490 & 495 XT sprayers Longest Service Life Before Service 3X longer life than the closest competitor Automatically rotates rod while pumping delivering longest life Endurance Vortext Technology Delivers the longest pump life by automatically rotating piston rod to extend pump life Virtually eliminates side loading Apply More Paint Per Piston Stroke Up to 80% longer piston stroke than competitive models - enhances flow and boosts performance Extended piston stroke design increases wear surface and improves hard part life Maximize profits and eliminate downtime! Longest life endurance vortex rod 5-piece V-MAX Blue packings Hardened stainless steel cylinder Technical Specifications Model Endurance Series Chromex Type Replacement Pump