Piston Pump Repair Kit for 440, 540, 640 Airless Paint Sprayers, Replacement Piston Rod for 704-586 704-551

About this item

• Compatible Piston Pump Repair Kit:This piston pump repair kit is designed for compatible 400, 440, 500, 540, and 640 series airless paint sprayers. Replacement for part numbers 704-586 and 704-551. Please check your sprayer model and part number before purchase.
• Complete Piston Rod Assembly:The kit includes a complete piston rod assembly with internal ball, cage, and retainer, plus seal ring repair components. Designed to replace worn or damaged piston pump parts and help restore proper sprayer operation
• Durable Metal Construction:Made from durable metal materials with precision machining, this piston rod is built for high-pressure spraying environments. The sturdy structure helps provide long-lasting performance and reliable pump function
• Easy Replacement for Maintenance:Designed for straightforward replacement, this repair kit helps make routine sprayer maintenance easier. Replace old, worn, or damaged piston components to reduce downtime and keep your equipment working efficiently.
• Helps Restore Stable Spraying Performance:A worn piston rod or seal kit can affect pressure and paint flow. This piston pump repair kit helps maintain smooth pumping action, stable pressure, and consistent coating delivery for common airless spraying tasks

Overview

• Brand: SZKEYISN
• Color: Black
• Recommended Uses For Product: Painting
• Material: Metal
• Product Dimensions: 1"W x 3"H