Graco 16X454 Pump Cylinder

Graco 16X454 Pump Cylinder is a genuine OEM component built for GMAX II 7900 Standard sprayers. It’s engineered for long service life, smooth hydraulic pressure, and precise fit with Graco’s pressure-generation system.

OEM Quality: Ensures consistent performance and minimal wear.
Precision Engineering: Reduces friction and maintains smooth spray patterns.
Perfect Fit: Designed for packings, rods, and valves of GMAX II 7900 units.

Retail Price: $633

You save: $169.64 (26.80%)

Our Price: $463.36

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Description

Overview & Key Details for Graco 16X454 Pump Cylinder

Compatible Machines

GMAX II 7900 Standard Hi-Boy – 17H818
GMAX II 7900 Standard Hi-Boy – 17E836
GMAX II 7900 Roof Rig – 16W987
GMAX II 7900 Standard Hi-Boy – 16W883
GMAX II 7900 Series (selected Standard/Roof Rig models)

What is it?

Graco 16X454 Pump Cylinder is the OEM cylinder body for the fluid section on selected GMAX II 7900 units. The cylinder houses the packings and supports the pump rod, helping the sprayer maintain pressure, sealing, and long service life under high-duty applications.

Why choose this cylinder

OEM fit & performance: Direct replacement designed by Graco for 7900 Standard/Roof Rig variants.
Pressure & seal integrity: Proper cylinder geometry helps packings seal and sustain high pressure.
Service-friendly: Works with Graco packing/repair kits specified for the GMAX II 7900 platform.

Quick Specs

Part Number	16X454
UPC / GTIN	633955430488
Category	Pump Cylinder (fluid section component)
Primary Platform	GMAX II 7900 (Standard / Roof Rig variants as listed above)
Included	Cylinder body (use model-specific repair/packing kits as required)
Compatibility Tip	Match by sprayer model number and generation; consult the unit parts list before ordering.

Fitment Notes

Engineered for specific GMAX II 7900 Standard/Roof Rig configurations listed above.
Other cylinders (e.g., 16X451) serve different platforms like UltraMax II 1095/1595 or GMAX II 5900; use the correct part for your sprayer.
Always verify with your sprayer’s exact model and serial/parts manual before purchase.

Frequently Asked Questions

It fits selected GMAX II 7900 Standard and Roof Rig models (see the list above). Always confirm by checking the parts manual for your exact model number before ordering.

16X454 is specified for GMAX II 7900 Standard/Roof Rig units, while 16X451 is used on UltraMax II 1095/1595 and GMAX II 5900 ProContractor models. Choose based on your sprayer family and model.

Use the packing/repair kit that matches your exact GMAX II 7900 model and generation (for example, Graco lists kit 249123 for many 7900 configurations). Check your unit’s parts list to be certain.

Clean the fluid section thoroughly, inspect/replace packings, lubricate as specified by Graco, and torque to spec. After reassembly, pressure-test with water or approved solvent before spraying materials.

Need help confirming fit?

Share your sprayer’s exact model number (and serial, if available), and we’ll verify that 16X454 is the correct Pump Cylinder or suggest the right alternative.