Graco 19Y298 Piston Pump

OEM replacement lower for the Ultra Max II 650 PC Pro. Quick ProConnect swaps, Chromex durability, and smooth priming for reliable daily use.

Part: 19Y298 Endurance Chromex pump
Fits: Ultra Max II 650 PC Pro — Hi-Boy (19Y128), Lo-Boy (19Y129)
Max Pressure: 3,300 psi
Outlet: 1/4" NPSM
Packings: V-Max Blue

Retail Price: $460

You save: $67.16 (14.60%)

Our Price: $392.84

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Description

Product Overview & Key Specs

Compatible Machines

Ultra Max II 650 PC Pro — Hi-Boy (Model 19Y128)
Ultra Max II 650 PC Pro — Lo-Boy (Model 19Y129)

If your sprayer model is the Ultra Max II 650 PC Pro, this is the correct OEM pump (lower).

What is the Graco 19Y298 Piston Pump?

The Graco 19Y298 Endurance Chromex Piston Pump (complete lower) is the OEM replacement pump for the Ultra Max II 650 PC Pro electric airless sprayers. It features a durable Chromex rod, V-Max Blue packings, and a hardened stainless cylinder for long life. Designed for ProConnect quick-swap changes and equipped with a QuikAccess intake valve for faster cleaning and service.

Key Specifications

OEM Part	19Y298
Pump Type	Endurance Chromex piston pump (complete lower)
Max Working Pressure	3,300 psi
Outlet Thread	1/4" NPSM
Packings	V-Max Blue high-wear packings
Serviceability	ProConnect quick-swap lower; QuikAccess intake valve
Compatibility	Ultra Max II 650 PC Pro (Hi-Boy 19Y128, Lo-Boy 19Y129)

Always verify your sprayer model and serial plate before ordering.

Why choose this pump

OEM fit & performance for Ultra Max II 650 PC Pro sprayers.
Chromex rod & hardened cylinder resist abrasion for long service life.
V-Max Blue packings deliver reliable sealing and pressure stability.
ProConnect design minimizes downtime with fast lower swaps.
QuikAccess intake streamlines cleaning and maintenance.

What’s in the box

19Y298 Endurance Chromex Pump (Lower) — fully assembled
Pre-installed packings and valves
Factory documentation (as supplied by Graco)

Fitment & Ordering Tips

Match your sprayer label: it should read Ultra Max II 650 PC Pro (19Y128 or 19Y129).
If your unit is not a 650 PC Pro, contact us with your model/part list for the correct lower.
Replace worn pump lowers early to maintain pressure and finish quality.

Frequently Asked Questions

It is specified for the Ultra Max II 650 PC Pro (Hi-Boy 19Y128, Lo-Boy 19Y129). For other Ultra Max II variants, the pump lower may differ; share your model number and we’ll confirm the correct part.

Max working pressure is 3,300 psi. The outlet is 1/4" NPSM.

Yes. The Endurance Chromex lower comes assembled with V-Max Blue packings and factory valves for immediate installation.

Flush promptly after use, keep the QuikAccess intake clean, use recommended fluids, and store with pump protectant. Inspect packings and rod for wear at regular service intervals.

The sprayer’s ProConnect frame feature allows quick lower swaps. This 19Y298 is the compatible lower designed to work with that system on the 650 PC Pro.