Graco 16X457 Fluid Pump Cylinder
$316.22
$432.00
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- OEM Replacement: Genuine Graco 16X457 Fluid Pump Cylinder ensures original performance and durability.
- Compatible Machines: Fits TexSpray 5900HD ProContractor, TexSpray Mark V ProContractor, and 5900HD PCII series.
- Purpose: Restores pump efficiency and maintains smooth spraying performance.
- Quality Assurance: Built to deliver long service life and reliable operation for professional sprayers.
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Graco 16X457 Fluid Pump Cylinder
Compatible Machines
- TexSpray 5900HD ProContractor
- TexSpray Mark V ProContractor
- 5900HD PCII series
Product Overview
Graco 16X457 Fluid Pump Cylinder is the OEM fluid section housing used on select Graco texture and paint sprayers. It forms the core of the pump assembly that contains the piston, packings, and seals restoring smooth priming, consistent pressure, and reliable spray performance when the original cylinder is worn.
Key Features
- OEM fit for listed TexSpray and Mark V platforms.
- Restores pump efficiency and spray consistency.
- Designed for professional duty cycles and heavy coatings.
- Drop-in replacement with standard Graco service procedures.
Technical Details
| Part Number | Graco 16X457 |
|---|---|
| Part Type | Fluid Pump Cylinder (fluid section housing) |
| Compatible Platforms | TexSpray 5900HD ProContractor, TexSpray Mark V ProContractor, 5900HD PCII series |
| Related/Used With | Originally used with the 16X421 ProConnect 2 pump assembly for the above machines |
| Typical Use | Replacement when the cylinder is scored, worn, or causing pressure fluctuation/priming issues |
| Installation | Standard Graco service process; reuse or replace packings/seals as required (follow machine service manual) |
| Origin | Genuine Graco OEM part |
What This Cylinder Does
The cylinder is the pressure-bearing chamber where the sprayer’s piston moves fluid. Wear or scoring inside the bore can lead to pressure drop, poor atomization, or difficult priming. Replacing with 16X457 restores a proper sealing surface for the packings, improving output and finish quality.
When Should You Replace It?
- Visible scoring or corrosion inside the cylinder bore
- Chronic pressure fluctuations despite new packings
- Persistent priming issues or increased pulsation
Notes & Cross-Reference
- Matched to the pump assemblies on the compatible machines listed above.
- If your unit uses ProConnect 2 pumps, verify the pump assembly number (e.g., 16X421) before ordering.
- Always confirm model and serial plate to ensure correct fit.
Frequently Asked Questions
It fits TexSpray 5900HD ProContractor, TexSpray Mark V ProContractor, and the 5900HD PCII series. Check your pump assembly number and machine model/serial to confirm before purchase.
Inspect and replace packings, seals, and wear components as required. If your pump uses ProConnect 2, verify compatibility with the 16X421 pump assembly or your specific pump kit number.
Standard hand tools are typically sufficient. Follow the service procedure in your Graco manual for torque specs, lubrication, and packing orientation. If you’re unsure, consult a service technician.
Yes—16X457 is a genuine Graco OEM Fluid Pump Cylinder.
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