Graco 243176 Cylinder - Aftermarket Replacement | Bedford 57-2775

This aftermarket pump cylinder restores prime, pressure stability and volumetric efficiency in select Graco electric airless sprayers. It is a direct cross for 243176 and identified by Bedford as 57-2775, offering reliable fit and service life in professional duty cycles.

Aftermarket Precision-Machined Industrial Duty

Why Choose This Pump Cylinder

  • Matches OEM interface dimensions for straightforward lower repair.
  • Hardened bore surface supports long seal life with reduced scoring.
  • Supports common contractor coatings when used within system ratings.

Color cue: Orange = handling note - keep the bore clean and lightly oiled during assembly to protect finish.

Typical Compatibility

  • Ultra / ST Pro families including 395 & 495 ST Pro, and Ultra 695 (per parts listings).
  • Broader use across Ultra Max II platforms (e.g., 795/1095/1595) where specified by model BOM.

Always confirm your exact sprayer model and series against the illustrated parts list before ordering.

What This Product Fits

  • Ultra / ST Pro: 395, 495 ST Pro; Ultra 695.
  • Ultra Max II: 795, 1095, 1595 - where cylinder 243176 is specified in the parts breakdown.

Cross-reference evidence: Bedford aftermarket 57-2775 lists the OEM equivalent as 243176.

Technical Specifications

Aftermarket Bedford 57-2775
OEM 243176
FitsSelected Ultra / ST Pro and Ultra Max II models (see list above)
TypePump cylinder (lower assembly component)
MaterialHardened steel cylinder bore
FunctionRestores compression seal support and pumping efficiency
PressureUse within the rated working pressure of the host sprayer
BrandBedford Precision Parts (Aftermarket)

Follow the illustrated parts manual for your exact sprayer model and torque values.

Installation Notes

  1. Power down and relieve pressure; engage gun safety lock.
  2. Remove the lower from the sprayer per the model parts guide.
  3. Clean and inspect piston/rod, packings, and seats; replace worn items.
  4. Lubricate packings; slide the new cylinder carefully over the stack.
  5. Reassemble and pressure-test with water/solvent before returning to paint.

Pro tip: Replace packings and check balls at the same time to maximize rebuild life.

When to Rebuild / Replace

  • Loss of prime or slow pressure build at normal load.
  • Persistent bypass or inconsistent spray fan despite good tip/filter.
  • Visible scoring or pitting inside the cylinder bore.
  • Frequent packing failures after short run time.

Bedford vs OEM Comparison

FeatureBedford Aftermarket (57-2775)OEM (Graco)
Fit & InterfaceMatches OEM 243176 interface dimensionsFactory cylinder for listed models
MaterialsHardened steel boreOEM-specified metallurgy
AvailabilityIf in stock, ships from Bedford Precision Parts in Bedford Hill, New York.Ships via Graco distribution
ValueContractor-focused priceOEM brand program

FAQs

Yes. Bedford 57-2775 is referenced as the aftermarket alternative for Graco cylinder 243176. :contentReference[oaicite:5]{index=5}
Commonly listed for Ultra / ST Pro 395 & 495 and Ultra 695, and appears in Ultra Max II families like 795/1095/1595 where specified by the model parts list. Verify against your BOM. :contentReference[oaicite:6]{index=6}
It’s best practice to install new packings, checks and seals during a cylinder change to ensure proper sealing and service life.
Keep the bore scrupulously clean, lubricate packings, and pressure-test with water or compatible solvent before spraying material.
If in stock, orders ship from Bedford Precision Parts, Bedford Hill, NY via your chosen carrier.