Graco 16X423 Endurance MaxLife Piston Pump a Superior Durability for GMAX II 7900 Sprayers
Graco 16X423 Endurance MaxLife Piston Pump is an OEM replacement fluid section engineered for maximum life and reliable spraying performance. Designed with MaxLife coating, Chromex rod, and V-Max Blue packings, it provides superior resistance to wear and longer operation between repacks.
Compatible Machines:
This Endurance MaxLife Pump is compatible with the following Graco sprayers:
- Graco GMAX II 7900 Standard Series Hi-Boy – 2019 and newer
- Graco GMAX II 7900 Standard Series Lo-Boy
Key Features:
- MaxLife Coating – extends life when spraying abrasive materials
- Chromex Rod & Hardened Stainless Steel Cylinder – ensures durability under high pressure
- V-Max Blue Packings – provide longer-lasting sealing and smoother operation
- QuikAccess™ Intake Valve – simplifies cleaning and maintenance
- QuikPak Cartridge System – enables fast and easy re-packing
- Maximum Pressure: 3,300 PSI (22.7 MPa)
Technical Specifications:
| Part Number | 16X423 |
| Material Construction | Chromex Rod / Hardened Stainless Steel Cylinder / MaxLife Coating |
| Maximum Working Pressure | 3,300 PSI (22.7 MPa) |
| Fluid Inlet | 1-5/16" (Male UN) |
| Fluid Outlet | 3/8" (Female NPT) |
| Technology | V-Max Blue Packings & QuikAccess™ Valve |
| Application | OEM Replacement Piston Pump for GMAX II 7900 Sprayers |
Frequently Asked Questions
The 16X423 Endurance MaxLife Pump includes MaxLife coating and V-Max Blue packings, providing enhanced wear resistance for abrasive coatings and extending the pump’s lifespan over traditional models.
This pump fits Graco GMAX II 7900 Standard Hi-Boy and Lo-Boy sprayers, model year 2019 and newer. It is designed for direct OEM replacement without modification.
With its MaxLife components, this pump offers extended intervals between repacks. However, maintenance frequency depends on coating materials and usage intensity. Regular inspection ensures peak performance.
