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Graco 190986 Pinion Gear

The Graco 190986 Gear Pinion delivers precise drive engagement for internal gearing systems in compatible Graco pumps and mixers.

  • OEM pinion gear replacement
  • Accurate tooth profile for smooth meshing
  • Durable metal construction
  • Easy installation during gearbox rebuilds

$232.5
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Graco 190986 Gear Pinion – Precision Drive Component

Compatible Machines

  • Graco 395 & 395PC Pumps
  • Gearbox‑equipped sprayers and mixers
  • Other units specifying part 190986

Key Features

Feature Benefit
OEM Fit Ensures precise engagement with mating gears.
Durable Metal High wear resistance under torque.
Smooth Meshing Delivers quiet and efficient power transmission.

Installation & Usage Tips

  • Depressurize and disassemble gearbox per manual.
  • Clean all gear surfaces before fitting.
  • Align pinion teeth to mate precisely with driven gears.
  • Lubricate gears with recommended grease for extended life.

Frequently Asked Questions

It engages with other gears to transmit power smoothly inside the gearbox.

Look for noise or backlash in gear meshing; replace if observed.

Yes, follow gearbox disassembly instructions carefully and ensure proper alignment.

Keep gears clean and lubricated for longest service life.

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