Airless Spray Pump Assembly,246428, 3300 PSI, for Graco 390-595 and 3400 | Consistent paint flow; stainless steel construction; excludes PC/PC Pro; latex, stain and coating projects

This high-performance airless spray pump is expertly designed as a direct replacement part for multiple standard airless paint sprayer models, delivering professional-grade spraying performance for both commercial and residential applications. Built with premium stainless steel, it features outstanding durability, corrosion resistance, and long service life to withstand heavy-duty job site conditions and minimize wear-related downtime. The pump provides a stable 3300 PSI output, ensuring smooth, consistent, and even coverage on surfaces including walls, furniture, fences, decks, and more. It works efficiently with a wide range of coatings such as latex paints, oil-based paints, stains, and heavy coatings to meet professional project demands. Installation is quick and tool-free with all necessary components included. A simple pre-installation shake prevents internal steel ball sticking, guaranteeing reliable and stable operation for every spraying task. This replacement pump restores your sprayer to optimal working condition without modifications, making it an essential maintenance part for painting professionals and DIY users alike.

• 【PERFECT FIT FOR 390/395/490/495/595 & 3400 SPRAYERS】 Direct replacement for OEM part numbers 246-428 and 246428; compatible with 390, 395, 490, 495, 595 airless sprayers and 3400 line marking sprayers. No modification needed for seamless installation.
• 【IMPORTANT COMPATIBILITY NOTE】 Not compatible with PC or PC Pro series sprayer models. Please verify your sprayer model before purchase to ensure proper fit and avoid installation issues.
• 【PROFESSIONAL 3300 PSI HIGH PRESSURE PERFORMANCE】 Delivers stable 3300 PSI output for smooth, even coverage on walls, furniture, fences, decks and more. Works with latex, oil-based paints, stains and heavy coatings for professional-grade results.
• 【PREMIUM STAINLESS STEEL CONSTRUCTION】 Built with high-quality stainless steel for superior durability, corrosion resistance and long service life. Designed to withstand heavy-duty spraying conditions and reduce downtime.
• 【EASY INSTALLATION & RELIABLE OPERATION】 Includes all necessary components for quick, tool-free setup. Gently shake the pump before installation to prevent internal steel ball sticking, ensuring consistent performance for every spraying project.