Graco 18B260 Pump Packing Kit for Graco 290 to 595 Sprayers

The Graco 18B260 Pump Packing Repair Kit rebuilds the fluid section of your airless sprayer, restoring full pressure and stopping leaks caused by worn packings.

Replaces older kit 244194
Includes seals, O-rings, and packings for Endurance-style pumps
Fits Ultra, Ultra Max II, FinishPro, and Nova series sprayers
Ideal for Graco 390 – 595 models

Retail Price: $101.5

You save: $28.36 (27.94%)

Our Price: $73.14

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Description

Compatibility & Key Info

The Graco 18B260 Pump Packing Repair Kit is a fluid-section rebuild kit used to restore pressure and stop leaks caused by worn pump packings and seals. It commonly replaces legacy kit 244194. Always verify against your sprayer’s parts manual.

Compatible Machines

This kit is referenced for the following Graco airless sprayers (and similar models using the same Endurance-style fluid section):

Graco 390 (incl. Nova 390 / Ultimate Nova 390 variants)
Ultra 395 / Ultimate Nova 395
Ultra 495 / SuperNova 495
Ultra 595
Ultra Max II 490
Ultra Max II 495
Ultra Max II 595
FinishPro 390
FinishPro 395
FinishPro 595
STX
ST Pro
295 ST
GMax 3400
LineLazer 3400
FieldLazer S100

Kit At-a-Glance

Part Number	18B260 (replaces 244194)
Function	Pump packing/seal overhaul for the fluid section (restores pressure and stops throat leakage)
Typical Contents	Upper/lower packings, seals/O-rings, and related wear components for the fluid section
When to Use	Pressure drop, pulsation, product bypass at throat, or visible leakage around the packing nut
Installation Note	Clean work area; follow torque specs and orientation in your model’s parts manual/repair guide

Why Choose the 18B260 Kit?

Restores factory sealing and spray performance
Prevents premature pump wear by eliminating bypass/leaks
Cost-effective alternative to replacing the entire pump
Designed for contractor-grade duty cycles

Frequently Asked Questions

Check the fluid-section parts page in your sprayer’s manual. If it lists kit 18B260 (or legacy kit 244194), you’re set. You can also match your pump family (e.g., Endurance-style) and serial range to the manual.

Common signs include leakage at the throat/packing nut, loss of pressure, pulsation, or inconsistent spray pattern. If you’re tightening the packing nut more often, your packings are likely worn.

No. It includes the wear components (packings/seals and related items) for the fluid section. Housings, rods, and full pump bodies are not included.

Work clean, relieve pressure, and follow the manual step-by-step. Lubricate packings as specified, observe orientation, and torque to spec. After reassembly, prime with compatible solvent/paint and check for leaks.

Yes—fresh packings restore the fluid seal, helping the pump reach and hold rated pressure, reduce pulsation, and protect hard parts from accelerated wear.