Graco 490 XT Hi-Boy Pump Assembly (19D873) Electric Airless Sprayer Parts Breakdown

Get the Right Graco 490 XT Hi-Boy Pump Assembly (19D873) Electric Airless Sprayer Parts Breakdown Components for Peak Performance

Whether you're finishing interiors, spraying exterior coatings, or applying fine-finish lacquers, the Graco 490 XT Hi-Boy Electric Airless Sprayer delivers trusted power and precision. But even the most rugged gear needs periodic maintenance—and that’s where Sprayersandparts.com shines. Our OEM Graco 490 XT Hi-Boy Pump Assembly (19D873) parts breakdown delivers everything you need to restore your sprayer to peak performance.

From full pump rebuild kits to valves, filters, gaskets, seals, and suction assemblies—we’ve got it all, ready to ship with expert technical support and real-world performance knowledge.

Why Choose Genuine Graco 490 XT Hi-Boy (19D873) Pump Assembly Parts?

Contractors who rely on their tools every day understand that cutting corners with aftermarket parts costs more in the long run. Here’s why professionals trust Sprayersandparts.com for Graco 490 XT Hi-Boy OEM pump components:

✅ Precision-Matched to Graco Specs

Each component is engineered to exact Graco tolerances, ensuring compatibility with your original system—including fluid section alignment, rod diameter, and check valve placement.

✅ Superior Pressure & Chemical Resistance

Genuine Graco components are pressure-tested up to 3300 PSI and built with coating-compatible elastomers that hold up to solvents, latex, and oil-based materials.

✅ Warranty Protection

Using OEM parts protects your equipment’s manufacturer warranty. Our kits include Graco-backed parts and technical support from certified experts.

✅ Pro-Level Insight

You’re not alone—we provide torque values, part matching, install diagrams, and upgrade recommendations to ensure seamless service.

What’s Included in the 490 XT Hi-Boy (19D873) Pump Breakdown?

The Graco 490 XT Hi-Boy Pump Assembly (19D873) is a powerful and compact solution for contractors seeking lightweight mobility and consistent output. When servicing or rebuilding the pump, you’ll interact with the following OEM components:

1. Pump Cylinder Housing & Rod Assembly

The fluid section includes a hardened steel piston rod, packings, and valve seats, all machined for tight tolerances. Corrosion-resistant alloys ensure durability across material types.

2. Upper & Lower Packing Kits

These include Bytek™ seals, Teflon™ V-packings, and stainless-steel retaining rings, which maintain fluid pressure and eliminate leaks.

3. Suction & Inlet Valve Components

This includes the inlet valve, ball check assemblies, filter screens, and gasketed connections to prevent clogs or cavitation.

4. Prime Valve / Drain Valve

Direct material back to the pail or into flush-out containers. Our listings include exact pressure specs and mounting guidelines.

5. O-Rings & Retainers

Replace brittle or worn seals with chemical-rated O-rings to maintain consistent pressure and flow.

6. Manifold Filters

Inline and manifold filters screen debris from sensitive components. Choose from 30-, 60-, and 100-mesh options, depending on your material type.

7. Electrical and Motor Brushes

We stock replacement brushes, wiring, and motor housings for the electric assembly portion of the 490 XT Hi-Boy system.

Key Features & Specs for the Graco 490 XT Hi-Boy (19D873)

Every product listing on Sprayersandparts.com includes detailed technical specs:

• ✅ Max PSI: 3300

• ✅ Pump Ratio: 1:1 airless piston

• ✅ Material Compatibility: Waterborne, solvent-based, elastomeric, acrylic, oil-based

• ✅ Rod Material: Chrome-plated steel

• ✅ Mounting: Hi-Boy wheeled cart with tool rack

• ✅ Cross-Model Fitment: Shares parts with Graco Ultra 395 PC, Graco 695, Graco 650 Pro

You’ll also see visual diagrams and notes on legacy vs. updated part numbers—ideal when upgrading from older sprayer models.

Fast Shipping & Contractor Support

Time is money. That’s why we offer:

• Same-day shipping on orders by 12 PM CST (Terms & Conditions apply)

• Graco U.S. warehouse fulfillment for rapid transit

• One-on-one support with certified techs

• Hassle-free exchanges & returns

We’ll help confirm torque specs, compatibility, and installation steps—so you install it once and get back to spraying.

Pro Tips for Long-Term Performance

Schedule Regular Maintenance

Use a spray log to record pump cycles and servicing. This helps you spot wear patterns early.

Always Pair Seal Kits with Lubricant

Seals last significantly longer when installed with OEM-grade pump armor or throat seal lubricant.

Stock Mission-Critical Spares

Keep parts like manifold filters, drain valves, and packings on hand to slash downtime.

Color-Code Your Parts Bins

Organize parts like Graco 695, Graco 650 Pro, and Graco Ultra 395 PC separately to avoid costly mix-ups.

Compatible Graco Models

Many parts from the 490 XT Hi-Boy Pump Assembly are cross-compatible with:

• ✅ Graco Ultra 395 PC

• ✅ Graco 695 Hi-Boy

• ✅ Graco 650 Pro Contractor

• ✅ Graco Magnum LTS 17

• ✅ Graco Ultra Max II series

We clearly flag cross-fitment and legacy part transitions in every listing—no more guessing.

Add These Top-Selling 490 XT Parts to Your Cart:

Why Sprayersandparts.com?

100% OEM Graco Parts

We don’t deal in knockoffs. Everything ships sealed and verified.

Rapid Fulfillment

We beat the clock with central shipping and real-time stock accuracy.

Contractor Pricing

Buy in bulk, earn discounts, and access project-level account support.

Ready to Elevate Your Graco 490 XT Hi-Boy Performance?

Stop wrestling with outdated parts or cross-threaded fits. Sprayersandparts.com delivers the full Graco 490 XT Hi-Boy Pump Assembly (19D873) breakdown—with:

• Factory-tested components

• Expert-curated kits

• Cross-model compatibility

• Unmatched contractor support

Add the parts you need to your cart now and keep your spray days hassle-free. Because when performance, uptime, and confidence matter, only OEM parts—and the right partner—will do.