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Graco 164115 Gland Packing

Genuine Graco 164115 Gland Packing (Inner) used in the packing-gland stack to keep the rod/shaft sealed under pressure.

Confirm fit against your model’s parts list (by pump assembly and serial range) before ordering.

  • OEM: Graco® Part #164115
  • Function: Compresses packings to prevent leaks & maintain pressure
  • Where used: Fluid sections/displacement pumps & select gun kits
  • Service tip: Replace during rebuilds or if leakage/rod play appears
  • Fit check: Verify in your exploded parts diagram for your exact model

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Overview & Fitment Guidance

Compatible Machines

A model-specific list for Graco 164115 Gland Packing is not publicly consolidated by Graco. Fitment depends on your pump/fluid-section parts breakdown. Use your machine’s manual/exploded view to verify.

  • Check your sprayer’s parts list for item “GLAND, PACKING (inner)” = 164115.
  • Match by pump/displacement assembly and serial range before ordering.

The Graco 164115 Gland Packing (inner) is a genuine OEM component used within the packing-gland stack of select Graco pumps/guns to maintain a sealed interface around the moving rod/shaft. Correct gland compression helps prevent leaks, sustain pressure, and extend packing/rod life.

Key Detail Specification
Brand / OEM Graco® – Genuine Replacement Part
Part Number 164115
Part Name Gland, Packing (Inner)
Function Supports and compresses the packing stack around the rod/shaft to seal fluid under pressure.
Typical Use Fluid section / displacement pump and some gun repair kits where an inner gland is specified.
Fitment Check Confirm via your model’s parts manual/exploded view; verify by pump assembly and serial range.
  • Replace the gland when servicing the packing stack to avoid premature wear and leaks.
  • Inspect the rod for scoring; worn rods can quickly damage new packings and glands.
  • Tighten to the specification in your manual—over-compression accelerates packing wear.

Frequently Asked Questions

It forms part of the packing-gland assembly that compresses the packing around the rod/shaft. This controlled compression keeps coating material from bypassing the packings while allowing smooth rod movement at operating pressures.

No. Graco uses different gland/packing stacks across models and generations. Always confirm the exact part number in your sprayer’s parts list (by model and serial range). Only order 164115 if it is explicitly specified for your assembly.

Replace during any fluid-section rebuild, when you see leakage past the packings, noticeable rod play, or after rod surface repair. Pairing a new gland with fresh packings helps the stack seat correctly and last longer.

Clean all mating surfaces, lightly lubricate as specified, align the rod to avoid nicking packings, and tighten to the manual’s torque/adjustment spec. After first use, re-check for proper compression and absence of leakage.

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