Graco 17C718 Endurance Pump Lower Kit a Compatibility, Specs & FAQs
Compatible Machines
- Graco 390
- Ultra 395 / 495 / 595
- Ultra Max II 490 / 495 / 595 (Series A, B, C)
- Ultimate NOVA 395
- Ultimate Super NOVA 495 / 595
- ST Max 395 / 495 / 595
- ST Max II 490 / 495 / 595 (Series A, B, C)
- Performance Max 395 / 495 / 595
- Ultra 695 (Series A) / Ultra Max 695 (Series B)
- Ultimate 695 (Series A) / Ultimate MX 695 (Series B)
- Ultimate MX II 490 / 495 / 595 (Series A, B, C)
- GMax 3400 (Standard / Series A)
- LineLazer 3400 (Series A)
- FieldLazer S200 (Series A)
- FinishPro 395 and FinishPro II 395 / 595
What Is It?
Graco 17C718 Endurance Pump Lower Kit (supersedes 246428) is a genuine OEM replacement fluid section designed for quick swap out and reliable performance on popular Graco airless sprayers and stripers. It restores prime, pressure, and finish quality without replacing the entire pump.
Key Features
- OEM Build Quality—factory fit, seal compatibility, and durability.
- V-Max Blue™ packings for long life and reduced wear.
- Chromex® rod and MaxLife® coating for abrasion and corrosion resistance.
- Quick-change lower minimizes downtime—no special tools required.
Specifications & Cross-Reference
| Graco Part # | 17C718 |
| Replaces / Supersedes | 246428 |
| Section Type | Endurance™ Pump Lower (Fluid Section) |
| Core Components | Packings (V-Max Blue™), Valve seats/balls, Chromex® rod, fluid housing |
| Typical Applications | Architectural coatings, primers, enamels, elastomerics (per sprayer rating) |
When Should You Choose 17C718?
- Your model appears in the Compatible Machines list above.
- You experience loss of pressure, slow prime, or leaking from the fluid section.
- You want a fast on-site rebuild without a full pump teardown.
What’s in the Box
| Assembly | Complete Endurance™ Pump Lower (pre-assembled fluid section) |
| Documentation | Install/prime instructions & maintenance guidance |
Frequently Asked Questions
Yes—Series A, B, and C are supported. Always check your sprayer’s data plate and parts list to confirm the correct fluid section for your exact build.
It supersedes 246428. If your manual lists 246428 for a compatible model, 17C718 is the current OEM replacement.
V-Max Blue™ packings, a Chromex® rod, and MaxLife® coating deliver excellent wear and corrosion resistance, helping extend service life versus standard lowers.
Yes. The Endurance design allows a quick-change swap in the field. Follow the included instructions and your model’s manual for priming and leak checks.