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Graco 15C990 Gland Packing

The Graco 15C990 Gland Packing seals piston rods, prevents leaks, and maintains consistent pump pressure for reliable performance.

  • Fits key Graco displacement pumps
  • OEM quality for long-lasting use
  • Easy installation with V-packing rings
  • Ensures smooth and leak-free operation

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Graco 15C990 Gland Packing – Technical Details

The Graco 15C990 is a male throat gland packing designed to seal piston rods in Graco displacement pumps, preventing leaks and ensuring smooth pump operation under pressure.

Compatible Machines

  • Graco Ultra Max II 695 standard pump
  • Graco Ultra Max II 795 Hi-Boy pump
  • Graco displacement pump 16X419
  • Graco displacement pump 16X421
  • Graco gas airless pumps series 17H833
  • Graco gas airless pumps series 17H834

Specifications

Part Number 15C990
Type Male throat gland
Function Seals piston rod at pump throat
Material Durable metal housing
Packings Supported V-rings, leather, UHMWPE
Maintenance Check during pump rebuilds
Installation Lubricate and torque packing nut

Key Features

  • Reliable sealing: Prevents leaks under pressure
  • OEM quality: Graco approved part
  • Durable design: Long-lasting performance
  • Easy installation: Fits standard V-packing

Installation Notes

  • Remove old packing and clean area
  • Stack V-rings and insert gland properly
  • Lubricate lightly before tightening nut
  • Torque nut as per service manual

Frequently Asked Questions

It seals the piston rod to prevent leaks and maintain pressure.

Using OEM ensures correct fit, sealing, and performance.

Installation is simple if you follow the pump’s service instructions carefully.

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