Graco 17D481 Pump Cylinder - Aftermarket Replacement | Bedford 57-3101

Direct aftermarket replacement for the Graco 17D481 cylinder used on popular professional electric airless sprayers. Bedford 57-3101 is precision-honed to restore pump efficiency and pressure stability across the supported Ultra and Ultra Max II platforms.

Aftermarket Precision-Machined Industrial Duty

Why Choose This Pump Cylinder

  • Restores prime, smooth stroke, and consistent tip pressure on mid-size contractor rigs.
  • Precision bore finish for seal longevity and reduced bypass.
  • Drop-in form/fit for OEM 17D481 to keep downtime and labor costs low.

Color cue: Use clean assembly practices; inspect piston rod and packings during cylinder service.

Typical Compatibility

  • Graco 390 / 395 / 490 / 495 / 595 families (select series).
  • Ultra, Ultra Max II, ST Pro contractor-grade electric airless sprayers.
  • Displacement pumps identified below in “What This Product Fits.”

Confirm against your sprayer’s parts list or displacement pump ID before ordering.

What This Product Fits

  • Sprayer models commonly listing cylinder 17D481: 390 (various), Ultra 395, Ultra Max II 490, Ultra 495, Ultra Max II 495, Ultra Max II 595, Ultra 695 (check serial range and pump group).
  • Displacement pump groups using 17D481 cylinder: 243012 (390), 248212 (395), 248213 (490), 248214 (495), 248215 (595).
  • Aftermarket cross-reference: Bedford 57-3101 ↔ OEM 17D481.

Model coverage varies by series and production date. Match by sprayer model and displacement pump bill of materials.

Technical Specifications

Aftermarket Bedford 57-3101
OEM 17D481
FitsGraco 390/395/490/495/595 families; Ultra & Ultra Max II series (see “What This Product Fits”).
TypePump cylinder (displacement pump housing)
MaterialHardened, precision-honed steel cylinder bore
FunctionProvides sealing surface for piston packings to generate pressure and flow
PressureUse within sprayer’s rated working pressure as specified by Graco
BrandBedford Precision Parts (Aftermarket)

Always consult the sprayer service manual for torque values, lubricant type, and break-in checks.

Installation Notes

  1. Power down and relieve pressure; verify zero PSI at the gauge.
  2. Remove pump from the frame as outlined in your model’s manual.
  3. Inspect piston rod and packings; replace worn components together.
  4. Clean and lightly lubricate bore; install the cylinder and seals in the specified orientation.
  5. Reassemble and test at low pressure for leaks before returning to service.

Pro tip: If the piston rod shows scoring, replace it during the same service to maximize kit life.

When to Rebuild / Replace

  • Loss of prime or pulsation at normal operating pressure.
  • Material bypass past packings or frequent spit at gun.
  • Visible scoring in cylinder bore or on piston rod.
  • Short rebuild intervals indicating a worn sealing surface.

Bedford vs OEM Comparison

FeatureBedford Aftermarket (57-3101)OEM (Graco 17D481)
Fit & InterfaceDirect dimensional replacement for 17D481Factory production cylinder
Bore FinishPrecision-honed bore for packing lifeOEM finish to spec
AvailabilityIf in stock, ships from Bedford Precision Parts in Bedford Hill, New York.Ships via Graco distribution
ValueLower total service costOEM brand program

FAQs

Yes—Bedford 57-3101 is referenced as the aftermarket equivalent of Graco 17D481 and is used across the 390–595 families and select Ultra models.
Commonly: 390, Ultra 395, Ultra Max II 490, Ultra 495, Ultra Max II 495/595, and Ultra 695 depending on serial range and pump group.
Match your displacement pump number (e.g., 243012, 248212, 248213, 248214, 248215) or check your model’s parts list for cylinder 17D481.
Inspect the piston rod and packings; replacing worn parts with the cylinder helps maintain seal life and pump performance.
If in stock, orders ship from Bedford Precision Parts in Bedford Hill, NY via your selected carrier.