Graco 18B260 Pump Packing Kit for Graco 290 to 595 Sprayers
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$74.62
$106.00
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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
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
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.
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Scott K.
Ordered the 18B260 Pump Packing Kit for Graco 290 to 595 Sprayers (18B260) for our crew - it fit perfectly with no modifications needed. Saved us a trip to the dealer.
