Graco 165292 Piston Bearing

Graco 165292 Piston Bearing supports the piston/rod for smoother pump operation and longer packing life. Use it to reduce friction, vibration, and wear in compatible Graco displacement pumps.

Part No.: 165292 (piston bearing)
Role: Guides piston/rod; helps prevent scoring and extends service life
Fits: Ultra 395, Ultra 495, ST Pro, Ultra Max II 490/495/595, and pump models 215932 & 217339
Cross-ref: Bedford Precision 6-514 (aftermarket)
Tip: Confirm by checking your pump’s parts manual before ordering

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Description

Compatible Machines

This list is based on published parts references and manuals. Always confirm against your sprayer’s exact pump model/serial.

Graco Ultra 395
Graco Ultra 495
Graco ST Pro Series
Graco Ultra Max II 490
Graco Ultra Max II 495
Graco Ultra Max II 595
Displacement Pump Models 215932 & 217339 (per Graco pump manual)

Product Overview

Graco 165292 Piston Bearing supports and guides the piston/rod inside the pump assembly, reducing friction and side-load wear for smoother operation and longer service life.

Quick Specs

Part Number	165292
Part Name	Piston Bearing
Function	Supports piston/rod alignment and reduces friction within the displacement pump
Cross-Reference	Bedford Precision 6-514 (aftermarket replacement)

Benefits

Smoother piston movement and reduced vibration
Helps prevent scoring of rod and cylinder
Supports packing longevity and pump reliability

Installation Notes

Relieve pressure and disconnect power/air before service.
Inspect rod/cylinder for scoring; replace damaged parts as needed.
Seat the bearing correctly; follow torque specs in the model-specific manual.
Test at low pressure and check for abnormal noise or play.

Frequently Asked Questions

Match your sprayer’s pump model/serial in the Graco parts manual. If 165292 appears in the piston/rod section for your pump, it is the correct bearing.

Excess vibration, uneven rod movement, accelerated packing wear, or scoring on the rod/cylinder are common signs of bearing wear.

Bedford Precision SKU 6-514 is commonly listed as a replacement. Verify dimensions/tolerances against the OEM spec for your pump model before use.