Stay Job‑Ready with Long‑Life Graco 495st ProB Hi‑Boy (232945) Pump (243183) Airless Paint Sprayer Components
Maximized uptime and performance for heavy-duty painting professionals
For serious painters and contractors tackling large-scale projects, the Graco 495st ProB Hi‑Boy (232945) with Pump (243183) offers exceptional power and efficiency. But even the toughest sprayers depend on quality parts and precise maintenance. That’s why when Graco 495st ProB Hi‑Boy reliability matters, professionals turn to Sprayersandparts.com. We provide factory‑authorized parts—from Graco 395 parts diagrams to Graco paint sprayer gun parts in Houston, Texas—in one seamless order process that’s built for peak on‑site readiness.
Why Choose Genuine Graco 495st ProB Hi‑Boy (232945) Pump (243183) Parts?
Engineered to ANSI‑Grade Tolerances
Unlike aftermarket parts, OEM components fit precisely—no leaks, minimal downtime, and consistent performance even under heavy abuse or daily use.
Tested for Pressure & Chemical Resistance
Graco engineers parts to handle pressures over 3300 PSI and spray materials ranging from low-VOC latex to elastomeric roof coatings, ensuring compatibility and safety where many knockoffs fail.
Backed by Warranty & Field Knowledge
Only genuine parts preserve Graco’s warranty coverage. Plus, our team—many of whom are former jobsite pros—can offer real-world advice on torque specs, part matching, and maintenance best practices.
Key Features & Specifications
Every part listing for the Graco 495st ProB Hi‑Boy includes essential specifications:
| Feature | Why It Matters |
|---|---|
| Material Grade | Stainless steel, hardened pistons, and high-grade elastomers ensure durability and corrosion resistance. |
| Pressure Ratings | Rated beyond 3300 PSI to handle high-volume spraying under pressure. |
| Dimensional Match | Threads, hose diameters, and sizes are OEM-grade, eliminating fit issues. |
| Cross-Model Fit | Listings indicate compatibility with models like Graco 495, 695, and Ultra Max. |
These trusted details give contractors confidence when ordering parts.
Complete Parts You’ll Rely On
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Pump Repair Kits (243183) – Full rebuilds include packings, pistons, valves, and seals to restore peak performance.
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Hi‑Boy Fluid Sections – Preassembled, high-output fluid sections optimized for ProB or ProContractor tasks.
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Inlet/Outlet Valves & Seats – Maintain pressure consistency and prevent bypass during recoil.
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High-Pressure Hoses & Swivels – Rated for Ultra power and flexibility in heavy-duty settings.
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Spray Gun Kits & Filters – Keep finishes clean and clog-free with OEM filters and RAC-X tip guards.
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SmartControl Modules & Rocker Switches – Restore accurate pressure control and display feedback.
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Accessory Kits – Including gun cleaning sets, gun plugs, and color-coded hose tags for fleet distinction.
Fast Shipping & Technician-Backed Support
At Sprayersandparts.com, if you place your order by 12 PM Central, your parts ship same-day from Graco warehouse—most orders reach you in 1–3 business days (Terms & Conditions apply). Our support team, trained on ProB systems, can advise on part pairing, torque specs, and configuration—via phone, chat, or email.
Pro Tips for Long-Term Reliability
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Keep a Maintenance Schedule
Log usage hours and replace the pack-off or wear kit before signs of failure like leaking or pressure drops. -
Use OEM Lubricants with Seal Kits
Incomplete lubrication often leads to premature seal failure. Follow Graco guidelines to ensure effectiveness. -
Stock Critical Spares
Keep essentials like your spray gun kit or hose; a quick swap on site prevents job stoppage. -
Tag and Organize
Use color-coded bins to differentiate between lines like Graco 495, 695, ProB, and Ultra, avoiding mix-ups. -
Flush After Each Job
Run flush cycles after coatings—especially high solids—to prevent clogs and ensure long-term performance.
Cross-Model Compatibility
OEM parts from this series are usable across a range of Graco equipment, including:
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Graco 495 ProB
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Graco Ultra Max II 695
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Graco Magnum Project Painter Plus
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Graco TrueCoat 360
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FieldLazer striping units
That overlap simplifies inventory and training for contracting teams.
Smart Tools for Confident Purchasing
Our Resource Hub supports smart buying with tools like:
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Elastomer Compatibility Charts – Designed to match seals to spray materials
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Pressure-Drop Calculators – To maintain optimal setup
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Supersession Alerts – So you don’t order obsolete parts
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Visual Part Galleries – Confirm part appearance before purchase
Sustainability & Professional Performance
We care about performance and planet:
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Durable OEM parts mean fewer replacements
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Recyclable packaging materials
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Efficient shipping reduces freight waste
Recommended Stock List
Ideal parts to have on-hand for any task:
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Pump Rebuild Kit 243183
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Pack-Off Seal Kit
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Inlet Valve Assembly
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High-Pressure 1/4” Hose with Swivel
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Spray Gun & RAC-X Tip Guard
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Rocker Switch Module
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SmartControl Display
Stock these to minimize downtime and maximize jobsite productivity.