Graco 16X423 Endurance MaxLife Piston Pump

Durable OEM replacement pump designed for heavy-duty spraying with maximum wear resistance and long service life.

Part Number: 16X423
Type: Endurance MaxLife Piston Pump
Fits: GMAX II 7900 Hi-Boy & Lo-Boy (2019 & newer)
Max Pressure: 3300 PSI
Features: MaxLife Coating, Chromex Rod, V-Max Blue Packings

Retail Price: $1855

You save: $296.8 (16.00%)

Our Price: $1558.2

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Description

Graco 16X423 Endurance MaxLife Piston Pump – Superior Durability for GMAX II 7900 Sprayers

The 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.