The GRACO 16P303 is a packing O-ring designed for use in GRACO pumps and spray equipment. It is typically made from elastomeric material (specific material not specified), and its primary function is to provide a reliable seal within the pump assembly, preventing leaks and ensuring efficient operation.

Key Features:

• O-ring, Packing
• 0.4 in (1.016 cm) length, 0.1 in (0.254 cm) height
• Fits multiple GRACO pump and sprayer models (confirm with specific equipment manual)
• Provides reliable sealing
• Easy to replace during maintenance
• Essential for preventing leaks in pump assemblies

Applications:
Used in GRACO airless paint sprayers and pump assemblies to maintain seal integrity and prevent fluid leakage.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and longevity of equipment.
• Inspect O-ring for damage before installation
• Clean mating surfaces thoroughly
• Lubricate O-ring with compatible lubricant if recommended
• Ensure correct orientation during installation
• Replace O-ring during routine maintenance or if leaks are detected
• Keep spare O-rings on hand for quick replacement
• Follow manufacturer’s recommended maintenance schedule