Graco 595 PC Lo‑Boy Airless Paint Sprayer – Complete Parts Guide
The Graco 595 PC Lo‑Boy airless paint sprayer delivers professional-grade performance in a compact, jobsite-friendly chassis. Proudly part of Graco’s mid-drum electric lineup, it boasts a MaxPower™ brushless motor and a high-volume Chromex piston pump that outputs up to 0.70 GPM at 3,300 psi. To keep your unit operating smoothly, SprayersAndParts.com provides a detailed graco parts list featuring everything from motors, pumps, and electronics to hoses, guns, cart components, and graco paint sprayer parts. Whether you're looking to overhaul your sprayer with graco pump repair kits, rebuild locally through graco pump repair near me, or simply stock up for maintenance, this guide has you covered.
Drive Motor & Gear Housing
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MaxPower Brushless Motor – Eradicates brush wear for maintenance-free operation and delivers consistent power—ideal for demanding sites.
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Gear Reducer & Crank Shaft (Part #244242, 287054) – Precision-hardened internals ensure long life and smooth, pulse-free delivery under pressure
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Drive Housing Assembly (287899) – Contains thrust bearings, washers, and pins—OEM quality ensures reliable alignment and performance.
Replacing these with genuine components preserves the exact fit and torque specs the machine was designed for.
Chromex Pump Displacement Module
The Chromex pump is the heart of your graco spray equipment:
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Pump Assembly (246428) – Supports a rugged 3,300 psi operation with long-lasting piston rod, seals, valves, and springs.
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OEM Chromex Rods & V-Max Blue Packings – Engineered for heavy-duty coatings and longevity, ensuring consistent performance with minimal wear.
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Graco Pump Repair Kits – Full rebuild kits contain all internal wear components for a simple overhaul. You can also order individual OEM parts—pistons, rods, seats—for specific issues.
Regular rebuilds restore factory output and maximize equipment lifespan.
Fluid Intake, Filters & Hoses
A clean fluid system ensures crisp finish quality:
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Inline Manifold Filter (60‑Mesh) – Keeps debris out of the pump; other mesh sizes (100, 200) are also available.
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Strainer & Suction Hose Kit (246385, 246386) – Includes hose, O-rings, hoses, and deflector to keep cleanup fast and mess-free.
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High-Pressure Hose (240794) – ¼″ x 50′ whip rated to 3,300 psi, ensuring safe and flexible operation.
OEM parts prevent contamination, clogs, and leaks.
Control & Drain Valve System
Precise control and easy maintenance:
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Pressure Transducer & Control Manifold – Maintains accurate output by regulating motor speed relative to pressure setpoint.
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Drain Valve Assembly – Enables quick system depressurization and cleaning, keeping the pump and hoses in top condition.
These components support smooth transitions between coatings and extend equipment life.
Contractor Gun & Spray Accessories
Quality finish starts at the gun:
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Contractor Spray Gun (288420) – Lightweight, ergonomic, and compatible with RAC‑X tips for quality atomization
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OEM Gun Accessories – Tip guards, manifold filters, O‑rings, TSL fluid, and hose clips ensure every spray session remains leak-free and consistent
These graco paint sprayer parts maintain finish quality and reduce downtime.
Cart Frame & Mobility Hardware
Built for rugged jobsites:
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Lo‑Boy Cart Frame (246250) – Stable and compact for easy maneuvering on lifts or transport.
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Semi‑Pneumatic Wheels (106062) – Provide smooth mobility without the risk of flats.
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Accessories: Handle (276864), suction cups, hose clips – All designed for operator comfort and quick access.
Maintenance Schedule – Lasting Performance
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Daily: Run FastFlush, relieve pressure, add 2 drops of TSL, check hose integrity.
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Weekly: Replace 60‑mesh manifold filter; clean gun, oil pistons and seals.
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Every 200 hours: Install a graco pump repair kit, polish cylinder, inspect seals and bearings.
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At 500‑700 gallons: Swap in a graco replacement pump (ProConnect 17C487) in under 5 minutes.
These steps ensure reliable, high-quality spraying and help preserve your sprayer investment.
Crossover Benefits across Graco Fleet
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Many graco pump repair kits and replacement components are shared with Ultra 395 and 495 models—reducing redundant inventory.
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Upgrading to a contractor PC gun allows use of universal spray tips and accessories across the fleet, improving jobsite logistics.
Expert Tips & Local Support
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Looking for certified rebuilding? Use "graco pump repair near me" to find authorized service centers. Their rebuild ensures OEM-spec calibration and may preserve your warranty.
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SprayersAndParts.com ships most graco paint sprayer parts same day, so you can stay job-ready and minimize downtime
Final Takeaway
The Graco 595 PC Lo‑Boy sprayer offers exceptional value—packed with a powerful motor, long-life Chromex™ pump, and full serviceability via OEM parts. Use graco pump repair kits for scheduled maintenance and know you can rely on a comprehensive graco parts list to stay ahead of wear. Need deeper repairs? Search “graco pump repair near me” for pros equipped to keep your sprayer performing like new.
Whether you’re refurbishing your rig or prepping for your next big job, this guide ensures you have the correct graco paint sprayer parts at your fingertips. Let me know if you’d like help locating specific kits, parts, or trusted local service providers!