Subcategories
Graco 455 ST Pro Hi Boy Airless Paint Sprayers
Graco 455 ST Pro Pump (246426, 17M873) Airless Paint Sprayers
Graco 455 ST Pro Hi-Boy Pump (243183) Airless Paint Sprayers
Graco 455 ST Pro Lo-Boy Airless Paint Sprayers
Graco 455 ST Pro Lo-Boy Pump (243183) Airless Paint Sprayers
Graco 455 ST Pro Gun Airless Paint Sprayers
In today’s competitive painting industry, downtime isn’t just costly—it’s unacceptable. That’s why professionals rely on the rugged and efficient Graco 455 ST Pro airless paint sprayer, reinforced by Sprayersandparts.com, your trusted source for OEM components. Whether you're servicing high-rise offices or speeding through residential renovations, our inventory delivers the precision-engineered parts, fast shipping and expert guidance that keep jobs running at maximum efficiency.
Over the next several hundred lines, we'll explore how OEM Graco components maintain your 455 ST Pro sprayer’s reliability, performance, and ecosystem compatibility. Let’s dive into why genuine parts matter, what components to stock, installation best practices, and how to optimize uptime on every job.
Every part is machined to Graco’s exacting standards—ensuring precise fit, leak-free operation, and consistent performance. Non-OEM components may create misalignment, wear, and spray compromise.
Every part purchased includes warranty backing and Sprayersandparts.com’s expert support. Our team provides torque charts, rebuild protocols, and tips to maximize longevity.
| Spec | Details |
|---|---|
| Max Pressure | 3000 PSI (207 bar) |
| Flow Rate | Approximately 0.44 GPM (1.66 LPM) |
| Power Supply | 120 VAC, 60 Hz; some 240 VAC models |
| Compatible Tips | Up to 0.021″ (Fine Finish Low Pressure) |
| System Types | Stand, Lo-Boy, Hi-Boy configurations available |
Sprayersandparts.com product pages include full dimensions, material specs (e.g., stainless steel, carbide, Viton, PTFE), torque ranges, and a compatibility matrix.
Restore worn pumps with kits that include:
Upper and lower packings
Piston rods & retaining rods
Valve seats and O-rings (e.g., parts 243174, 243176)
Replace hydraulic cylinders to regain max pressure—component 243176.
Prevent clogging with 60- and 100-mesh filter kits (e.g., part 243080) .
OEM suction tubes (part 195489) and drain hoses (243202) ensure consistent fluid intake and purge.
The sprayer ships standard with Graco FTx gun and 515 RAC V tip (part 243285). Partner accessories include tip guards, extension wands, and gun filters.
Replace switches, potentiometers, transducers (243222), and power cords to maintain precise pressure control .
Items like the 3/4″ pickup strainer (part 14‑1428) and hose clamps ensure job-lined part integrity.
Each part is referenced against factory drawings from Graco manuals. For example:
Part 243183 = displacement pump
Manual entries and ordering references are tied to each sprayer series (e.g., 232930 stands for 455 ST Pro)
Our site offers image galleries, exploded diagrams, and cross-compatible part search to prevent errors.
Orders placed before 12 PM Central ship same day from Graco warehouse (Terms & Conditions apply). Nationwide delivery means most customers get parts within 1–3 business days.
Need help? Our support engineers help with:
Torque spec for new pistons and valves
Diagnosing pressure drop based on sprayer model and fluid type
Assistance selecting pressure-transducers and control boxes
We’re trained to identify replacement components like a pro—so you don’t waste time or money.
Document hours and materials sprayed. Rebuild pump packings every 200–300 gallons, change filters every 40–60 hours, and inspect hoses before each use.
Every seal install should be paired with Throat Seal Liquid (TSL)—found in part 206994—to reduce wear and heat.
Job-readiness includes spares like seals, strainers, switch kits, and pump kits. These save hours when downtime isn’t an option.
Workers can use color-coded bins (e.g., MAGNUM X7, spray pump parts, charcoal truck units) for quick deployment
Recyclable casing used in filter kits.
Built from hardened materials to extend service life.
Rebuild kits allow sprayers to stay in use longer—saving resources.
Frequent users include:
Commercial contractors
Rental houses
Maintenance departments
Drywall & carpentry crews
Industrial finishing operations
Its powerful yet portable build fits environments where larger rigs won’t go.
The 455 ST Pro parts fit within the broader Graco ecosystem:
395 ST Pro, 495 ST Pro
Ultra 395/495 units
FieldLazer stripers and textured paint sprayers
Magnum X7 replacements (e.g., 243222 transducer)
Our catalog notes every compatibility overlap to prevent misorders.
| Part No. | Description | Jobsite Value |
|---|---|---|
| 243174 | Piston Rod | Improves seal compression |
| 243176 | Pump Cylinder | Restores pressure output |
| 243190 | Inlet Seat Kit | Prevents suction failure |
| 243080 | 60-Mesh Filter | Prevents clogs, improves flow |
| 243222 | Pressure Transducer | Ensures accurate pressure read |
| 243285 | FTx Gun w/ 515 RAC V Tip | Reliable spray control |
| 206994 | Throat Seal Liquid | Essential for sealing new packings |
These components provide field-ready reliability—often reordered by repeat buyers.
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