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Graco 164927 Pump Displacement Connecting Rod

The Graco 164927 Connecting Rod – Pump Displacement is a genuine OEM part designed for President 10:1 pumps, ensuring smooth motion transfer and consistent fluid output.

  • Fits President 10:1 pump models 205-626, 205-627, 205-628, 222-065
  • Restores performance and pressure stability
  • Durable steel construction for long service life

$252.93
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Compatible Machines – President 10:1 Pumps

  • Graco President 10:1 Pump 205-626 (Wall-mount, stubby)
  • Graco President 10:1 Pump 205-627 (Pail length, 5–10 gal, Relax-A-Valve)
  • Graco President 10:1 Pump 205-628 (Drum length, Relax-A-Valve)
  • Graco President 10:1 Pump 222-065 (Series A)

Overview & Key Details

Graco 164927 is the Connecting Rod – Pump Displacement used inside specific Graco President 10:1 displacement pump assemblies. It transfers motion from the drive/crank to the displacement rod, enabling consistent fluid delivery and working pressure.

Spec Detail
Part Number 164927
Description in Manual ROD, connecting (comm.) – Pump Displacement
Overall Length 9.625 in (244.5 mm)
Assembly Context President 10:1 Displacement Pump (ref. pos. 16 in exploded view)
Fit Guidance Match pump model & series; do not substitute across different pump families.

Why Replace This Part?

  • Restore smooth reciprocating motion and reduce vibration.
  • Protect packings, sleeves, and piston from side-load wear.
  • Maintain consistent output and pressure stability.

Installation Notes

  • Follow the pump manual procedure: assemble piston onto the connecting rod, set ball travel, and torque per spec.
  • Inspect related wear parts (bearings, piston rod, packings, intake/ball stop) during replacement.
  • After reassembly, run at low pressure to check alignment, noise, and leaks before returning to service.

Frequently Asked Questions

No—164927 is specified for President 10:1 displacement pump assemblies. Check your exact pump model/series; different families use different rods.

Excess vibration, irregular stroke, rapid packing wear, scored piston/rod, or difficulty maintaining pressure can indicate rod or related parts wear.

Follow the manual’s ball-travel adjustment, use thread sealant where specified, lubricate packings, and verify alignment before full-pressure operation.

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