Description

Graco Endurance Vortex Piston Pump (19D873) — Replacement Pump for Ultra 390, 395, 450 & Ultimate 490/495 XT

Name: Graco Endurance Vortex Piston Pump 19D873
SKU: 702-11A
Availability: InStock

Part #: 19D873 | Max Pressure: 3,300 PSI | Flow Rate: 0.75–0.80 GPM | Max Tip Size: .025″

If your Ultra or Ultimate XT sprayer is losing prime, dropping pressure mid-job, or you’re just tired of rebuilding the old pump every few hundred gallons, the Graco 19D873 is the drop-in replacement that gets you back on the wall. It’s the factory-spec Endurance Vortex lower, built for the newer Ultra 390, 395, 450 and Ultimate 490/495 XT sprayers, and it ships ready to install using Graco’s ProConnect system — no special tools, no shop visit.

Why contractors choose the 19D873

The Endurance Vortex isn’t a refurb or an aftermarket stand-in. It’s the same pump Graco builds into its XT-series sprayers at the factory, with a Chromex-plated piston rod for real-world abuse: latex, elastomerics, primers, stains, and the occasional accidental run with something gritty. The chrome plating resists wear from abrasive coatings far better than standard hardened steel, and the Vortex inlet geometry keeps paint moving smoothly at the pump’s stroke — which translates to fewer pressure spikes, less tip spitting, and a cleaner finish at the gun.

Paired with the ProConnect mounting system, swap time is usually under two minutes. Release the pin, drop the old lower, slide in the 19D873, and you’re spraying again.

Specs at a glance

Max working pressure: 3,300 PSI
Flow rate: 0.75–0.80 GPM (varies by sprayer model)
Max tip size: .025″
Piston rod: Chromex-plated for abrasion resistance
Mounting: ProConnect quick-change compatible
Materials handled: Latex, oils, stains, primers, lacquers, block filler, and most architectural coatings

Compatible sprayers

This pump is a direct fit for the following Graco airless units:

Ultra 390 Corded
Ultra 390 Cordless
Ultra 395 Corded
Ultra 450 Corded
Ultimate 490 XT
Ultimate 495 XT

Not sure if the 19D873 matches your sprayer? Check your machine’s model plate or call us before ordering — pushing the wrong lower onto an older frame is a headache nobody needs.

When it’s time to replace, not repair

A rebuild kit makes sense for the first big service interval. By the second or third, the piston rod itself usually has enough wear that a new lower is the smarter spend — you get back to factory pressure output and reset the clock on your sprayer. If you’re running volume work (repaints, new construction, property management), keeping a spare 19D873 on the truck pays for itself the first time a pump goes down on a Friday afternoon.

What’s in the box

One complete Graco 19D873 Endurance Vortex piston pump assembly, ready for ProConnect installation. Backed by Graco’s manufacturer warranty.

Ships same business day on orders placed before cutoff. Questions about fit or service intervals? Talk to a real person before you buy.

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Graco Endurance Vortex Piston Pump 19D873

Description