Graco 249127 Gb Kit, Repair, Pump

This Graco 249127 GB Kit, Repair, Pump (often referred to as the Endurance™ pump lower / fluid section) fits the following legacy 390-series models:

• Graco 390 (approx. 2004–2006; Series A)
• Graco Nova 390 (2005)
• Graco Duron 390 (2005)
• Graco FinishPro 390
• Graco 390 Series A model numbers: 248800, 248802, 248804, 248806, 248808, 248810, 826055

Product Overview

The Graco 249127 is a genuine OEM GB Kit, Repair, Pump designed for select 390-series airless sprayers. Depending on application and supplier description, this can be listed as a repair kit (seals/internal components) or the complete fluid section / pump lower assembly used on the models above. Using original Graco components helps maintain prime performance and service life.

Key Details

What’s Included & Important Notes

• Contents may be listed as a repair kit (seals/internal wear parts) or a complete pump lower depending on supplier classification.
• Verify the needed configuration in your sprayer’s parts manual (repair kit vs. full lower).
• For best results, replace worn inlet ball/seat, packings, and check components together where applicable.
• Use compatible Graco fluids and follow torque/spec procedures during reassembly.

Installation & Maintenance Tips

1. Depressurize and flush the sprayer per Graco safety instructions.
2. Remove the existing fluid section/pump lower; inspect rod, seats, and checks.
3. Lubricate new packings and o-rings; install in the specified order.
4. Reassemble to the manufacturer torque specs; verify alignment.
5. Prime with appropriate fluid, check for leaks, and test at low pressure first.

Frequently Asked Questions