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Graco 102416 U-Cup Packing

The Graco 102416 U-Cup Packing is a durable sealing component used in Graco airless sprayer pump assemblies to prevent leaks and maintain pressure. Ideal for professional contractor sprayers where consistent performance is essential.

  • OEM-quality U-Cup Packing for piston/pump seal
  • Ensures smooth pressure and reduced fluid leakage
  • Compatible with Ultra and Ultra Max II series sprayers
  • Cross-reference: Bedford 43-1250

$95.25
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Seal Overview & Specs

Compatible Machines

  • Graco Ultra 395 series (select units)
  • Graco Ultra 495 series (select units)
  • Graco Ultra 595 series (select units)
  • Graco Ultra Max II 490 / 495 / 595 / 795 / 1095 / 1595 (where specified in the parts manual)
  • Other Graco contractor airless pumps that list part 102416 as the U-Cup Packing in their pump assembly

The Graco 102416 U-Cup Packing is a dynamic sealing element for Graco pump/piston assemblies. It helps maintain prime, pressure, and smooth operation by sealing around the reciprocating shaft/piston to reduce bypass and leakage under working pressure.

Key Features

  • OEM-style U-cup packing for reliable sealing performance
  • Supports consistent pressure and spray pattern by minimizing fluid bypass
  • Designed for durability in professional contractor applications
  • Drop-in fit where 102416 is specified in the pump exploded diagram

Technical Specifications

Part Number 102416
Component Type U-Cup Packing (pump/piston seal)
Function Dynamic seal for reciprocating piston/rod to maintain prime and system pressure
Assembly Location Pump/wet-cup or piston packing stack (varies by model)
Cross-Reference Common aftermarket reference: Bedford 43-1250 (verify fit before use)

What’s Included

  • 1 × 102416 U-Cup Packing

Installation & Maintenance Notes

  • Clean all mating surfaces and inspect the piston/rod for scoring before installation.
  • Lubricate lightly with compatible pump lubricant during assembly to prevent dry start.
  • Replace packings as a set if your model specifies a packing stack service.
  • After install, pressure-test with clean solvent/paint to confirm seal integrity.

Frequently Asked Questions

Not all. It fits only those pump assemblies that specifically call out 102416 in the parts manual. Check your exact model and revision year before ordering.

Difficulty priming, pressure fluctuations, visible weeping at the wet cup, and a rough or inconsistent spray pattern often indicate worn or damaged packings.

Follow the packing stack order and material types specified in the manual. Mixing non-specified parts can reduce seal life and void warranties.

A commonly referenced aftermarket number is Bedford 43-1250. Verify dimensions and material before substituting; OEM is recommended for best performance.

Check your unit’s exploded parts diagram. If 102416 is listed in the pump/wet-cup section as the U-Cup Packing, this is the correct part.

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