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Graco 169445 Motor Coupling

OEM Graco 169445 Motor Coupling for connecting the motor shaft to the pump drive system. Helps reduce vibration and ensures smooth power transfer.

  • Part Number: 169445
  • Motor-to-pump drive connection
  • OEM durability and performance
  • Verify fit using your sprayer parts manual

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Graco 169445 Motor Coupling – OEM Replacement Part

Compatible Machines

Fits Graco industrial and airless pump systems where the coupling is listed as part number 169445. Verify using your machine manual or parts diagram before ordering.

  • Graco Industrial Airless Pump Systems (check parts list)
  • Coating and Protective Spray Systems with matching motor-to-pump coupler specification
  • Units requiring a flexible motor drive coupling identified as part 169445

Product Details

  • Part Number: 169445
  • Component Type: Motor Coupling
  • Function: Connects motor shaft to pump shaft for reliable torque transfer
  • Usage: Helps reduce misalignment and vibration in airless pump drive systems
  • Material: Durable OEM design for long service life

Fitment Notes

  • Confirm that your sprayer/manual specifies coupling part number 169445.
  • Check shaft diameter, length, and keyway size before purchase.
  • Incorrect coupler sizing may lead to vibration, premature wear, or drive failure.

Frequently Asked Questions

Check your machine’s parts breakdown. If the coupling is listed under part number 169445, then this is the correct replacement. You may also compare shaft bore, length, and keyway size with your existing component.

Common symptoms include vibration, reduced pump performance, motor strain, noise in the drive system, or visible damage to the coupler insert. Replacement is recommended at the first sign of wear.

Modifying OEM couplings is not recommended. Any alteration can cause misalignment or damage to the motor and pump drive components. Always use the exact part number listed for your machine.

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