Graco 16X456 Pump Cylinder For Mark IV ProContractor

Graco 16X456 Pump Cylinder – OEM replacement for Mark IV ProContractor sprayers.
Ensures durability, precision, and extended pump life for demanding applications.
Engineered by Graco for superior reliability and performance.
Perfect fit for TexSpray Mark IV ProContractor (Model 16W898).

List Price: $421

You save: $112.83 (26.80%)

Sale Price: $308.17

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Description

Overview & Compatibility - Graco 16X456 Pump Cylinder

Compatible Machines

Graco TexSpray Mark IV ProContractor — Model 16W898

Tip: If your Mark IV has a different model code or has been upgraded, confirm your pump/fluid section number before ordering.

Specs

OEM Brand	Graco
Part No.	16X456
Product Type	Pump / Fluid Section Cylinder
Primary Fit	TexSpray Mark IV ProContractor (16W898)
Related Pump Assembly	Works with fluid pump 16X418 (verify in your manual)
UPC/GTIN	633955430587

Product Overview

Graco 16X456 Pump Cylinder is the OEM fluid-section cylinder used on the TexSpray Mark IV ProContractor. As the wear surface for the piston/packings, a true OEM cylinder maintains correct clearances and coating performance, helping your sprayer hold pressure, reduce pulsation, and extend packing life.

OEM fit & finish for reliable sealing and pressure stability.
Designed specifically for the Mark IV ProContractor (16W898) pump stack.
Pairs correctly with matching piston rod/packing sets specified for the Mark IV.

When Should I Replace the Cylinder?

Persistent pressure loss or spitting that new packings don’t solve.
Visible scoring/wear inside the cylinder bore.
Frequent premature packing failures after short runtime.

What’s Included & Notes

Item: 16X456 Pump Cylinder (cylinder only; other pump components sold separately).
Verify your sprayer model code and fluid pump number (e.g., 16X418) before purchase.
Always prime with compatible fluid and follow Graco torque/spec procedures during installation.

Frequently Asked Questions

It is specified for the TexSpray Mark IV ProContractor (16W898). If your unit is a different trim or an earlier revision, confirm against your parts manual or the pump assembly number before ordering.

No. This is the pump cylinder only. Piston rod, packings, seats, and other hardware are sold separately unless your kit specifies otherwise.

Match your sprayer’s model tag (e.g., 16W898) and pump/fluid section number (e.g., 16X418) to the part list. If both match, 16X456 is the correct cylinder.