Graco 160672 Upper Guide - Aftermarket Replacement | Bedford 18-1607

This upper bearing guide replacement restores proper alignment and minimizes wear in the piston assembly of your high-pressure pump. The original OEM part Graco 160672 is superseded by the aftermarket option Bedford 18-1607, engineered to the same dimensions and tolerances for reliable performance and compatibility in a variety of spray system models.

Aftermarket Precision-Machined Brass Heavy-Duty Service

Why Choose This Upper Guide

  • Brass bearing guide works to reduce friction and extend piston life in heavy-duty spray pumps.
  • Manufactured to match OEM 160672 dimensions and material specifications for direct fitment.
  • Ideal for recon or rebuild kits - simplifies service stocking with one reliable guide part.

Colour: Natural brass finish for visual verification during rebuilds.

Typical Compatibility

  • Graco high-pressure piston pumps in airless sprayers where part 160672 is specified.
  • Older Graco Fire-Ball series, offering 45:1 to 50:1 ratios used in industrial coatings and contractors.
  • Graco pump models requiring upper guide for piston block assemblies where the OEM part has become obsolete.

Always refer to your equipment’s Illustrated Parts List for proper location and guide sizing.

What This Product Fits

  • Graco Fire-Ball Series pumps, 45:1 & 50:1 ratio models using part 160-672 of the piston block.
  • Any Graco piston pump models listing OEM part 160672 or 160-672 in their parts list.
  • Ideal replacement when OEM part is obsolete and rebuilds are being done on contractor-grade sprayers/industrial rigs.

Compatibility confirmed via Bedford Precision cross-reference for 18-1607 replacing Graco 160672.

Technical Specifications

Aftermarket Bedford 18-1607
OEM Graco 160672
FitsPiston block upper guide bearing in applicable Graco pump models
TypeUpper brass bearing guide
MaterialBrass (bearing grade) bearing guide sleeve
FunctionProvides alignment and bearing surface for the piston rod in the pump assembly
PressureRated to same working pressure as original pump model (per manufacturer)
BrandBedford Precision Parts (Aftermarket)

Installation requires complete service of piston and packing assembly for optimal performance.

Installation Notes

  1. Relieve pump pressure and disconnect all fluid and air lines.
  2. Remove pump head and disassemble piston block to access the upper guide location.
  3. Remove old guide and inspect bore for wear or scoring; clean thoroughly.
  4. Install new brass upper guide (Bedford 18-1607) ensuring alignment and proper seating.
  5. Reassemble piston, packings and head; test under low pressure before full return to service.

Tip: Inspect piston rod surface and cylinder bore; installing a new guide on worn components may reduce performance gains.

When to Rebuild / Replace

  • Visible scoring or wear on bearing surface of existing upper guide.
  • Piston rod misalignment causing side loading or increased packing wear.
  • Excessive vibration or noise from pump head indicating loose bearing interaction.
  • OEM part 160672 declared obsolete or difficult to source; replacement part available.

Bedford vs OEM Comparison

FeatureBedford Aftermarket (18-1607)OEM (Graco)
Fit & InterfaceDirect fit in pump models originally using part 160672Factory original part 160672
PerformanceBrass bearing grade; reduces friction and extends lifeOriginal factory bearing guide
AvailabilityIf in stock, ships from Bedford Precision Parts in Bedford Hill, New York.Ships via Graco distributor
ValueCost-efficient alternativeOEM program

FAQs

Yes, the Bedford 18-1607 is the aftermarket replacement for OEM Graco 160672 and 160-672 bearing guides.
This guide fits Graco piston pumps that list part 160672 or 160-672 in their parts list — for example older Fire-Ball series 45:1 and 50:1 ratio models.
No — the replacement uses a brass bearing grade material matching the OEM guide’s function and tolerances for proper service life.
Yes, provided the bore and piston rod are within service limits. Inspect for scoring and replace if needed to maintain performance.
Check your pump’s Illustrated Parts List (IPL) and confirm that part 160672 or 160-672 is referenced for the upper guide location before ordering Bedford 18-1607.