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Graco 102974 Metallic Ball

The Graco 102974 Ball Metallic is a genuine OEM stainless-steel intake check ball used in Dura-Flo pump lowers for reliable one-way flow and durability.

  • Fits Dura-Flo 1800 (430 cc) and Dura-Flo 2400 (580 cc) lowers
  • Made from precision-ground stainless steel for long life
  • Ensures tight sealing and prevents backflow

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OEM Intake Check Ball – 2″ Stainless Steel (PN 102974)

Compatible Machines

  • Graco Dura-Flo 1800 (430 cc) lowers & pump assemblies
  • Graco Dura-Flo 2400 (580 cc) lowers & pump assemblies
  • Dura-Flo XL variants that use the same 2″ intake-valve lower design

Product Summary

The Graco 102974 Ball Metallic is the OEM intake/check ball used in select high-capacity Graco displacement pump lowers. Precision-ground stainless steel provides reliable sealing to allow fluid into the pump chamber while preventing backflow under pressure.

Key Specifications

Part Number 102974
Common Name Ball Metallic / Intake Check Ball
Material Stainless Steel (metallic)
Size Approx. 2″ (50.8 mm) intake ball for the specified lowers
Primary Application Intake valve component in the pump lower (one-way flow control)
Fits Dura-Flo 1800 (430 cc), Dura-Flo 2400 (580 cc) lowers (and certain XL variants using the same intake design)
OEM Function Allows fluid to enter the chamber on up-stroke and seals against the seat to prevent return flow

Fitment & Use Notes

  • Match by part number (102974) and by your pump’s lower schematic to ensure correct ball size.
  • Inspect the seat and housing; a worn seat may require replacement along with the ball.
  • Symptoms of a failing intake ball include poor priming, reduced output, or visible pitting/flat spots.

Frequently Asked Questions

No. It is specified for Dura-Flo 1800 (430 cc) and Dura-Flo 2400 (580 cc) lowers and certain XL variants with the same 2″ intake design. Always verify against your exact lower assembly diagram.

Hard priming, inconsistent flow, backflow seen in the suction line, or a damaged/flattened ball or seat upon inspection are common indicators.

Yes—102974 is the stainless-steel intake ball for these lowers. For highly corrosive materials, consult your pump manual for alternate material options if available.

You can replace just the ball (102974) if the seat and housing are undamaged. If the seat is worn or pitted, replace it to ensure proper sealing and pump performance.

Cross-check the part number in your pump’s parts manual and verify the lower’s intake-valve schematic calls for a 2″ stainless intake ball. When in doubt, share your model/serial with support for confirmation.

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