Graco 104804 Packing O-Ring

Graco 104804 Packing, O-Ring – Precision Seal Kit

Compatible Machines

• Graco fluid-handling pumps and spray systems where O-rings and packings are serviceable
• Graco airless spray rigs requiring sealing of filter-housing or manifold connections
• Graco maintenance kits for scheduled overhaul of valves and pump assemblies
• Graco industrial finishing modules where sealing integrity under high pressure is critical

Product Description

The Graco 104804 Packing, O-Ring is an OEM-specified seal kit crafted to restore tight sealing and prevent fluid bypass in high-duty spray and fluid-handling equipment. Engineered to exact tolerances, it replaces worn or damaged O-rings and packing elements to maintain system pressure integrity and extend service life.

Key Features

• OEM matched seal kit: Designed precisely for specified Graco assemblies.
• High-grade elastomer material: Resists abrasion, fluid attack and cyclic wear.
• Improves maintenance efficiency: Kit format simplifies service tasks.
• Supports high-pressure sealing: Helps maintain fluid-system integrity.
• Reduces downtime: Proper sealing limits leaks, wear and unexpected failures.

Technical Specifications

Applications

This kit is used across Graco systems where reliable sealing is essential — including pump modules, fluid filters, manifold assemblies and other high-cycle finishing equipment. By replacing worn seal elements with the 104804 kit, you restore performance and prevent leaks or pressure loss.

Performance Advantages

• Helps maintain pressure stability by preventing fluid bypass or leaks.
• Extends equipment durability through proper sealing integrity.
• Simplifies servicing with a complete kit rather than multiple parts.
• Supports consistent coating or fluid application by preserving system condition.
• OEM-authorization assures compatibility with Graco assemblies.

Maintenance Tips

During routine service, remove the old O-rings and packings, clean the grooves and mating surfaces thoroughly, lubricate if required, then install the new seal elements from the 104804 kit. Ensure proper seating, inspect for damage or wear, and test the system under pressure to confirm no leaks before returning to service.

Frequently Asked Questions