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Graco 166041 Pump Connecting Rod

Essential linkage for specific Graco displacement pump assemblies—use to restore accurate stroke transfer between drive and fluid sections.

  • Part No.: 166041 (connecting rod)
  • Fits pump models: 206-797, 215-875, 206-418, 207-321
  • Use only after confirming in your unit’s service manual
  • Inspect pins/bushings; torque to spec during reassembly

Retail Price: $155
You save: $6.2 (4.00%)
Our Price: $148.8
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Overview & Compatibility

This part appears in the following Graco pump assemblies. Always verify by model/serial and service manual before ordering.

  • Graco Pump Model 206-797 (displacement pump assembly)
  • Graco Pump Model 215-875 (displacement pump assembly)
  • Graco 5:1 “Bulldog” Pump Models 206-418 and 207-321

Graco 166041 Pump Connecting Rod is the internal linkage that transfers motion from the drive/air motor side to the displacement/piston rod in specific Graco industrial pump assemblies. It’s an OEM component designed for durability and correct alignment under continuous duty.

Detail Specification / Note
Part Number 166041
Item Name Connecting Rod (Pump Linkage)
Application Displacement pump assemblies on certain contractor/industrial Graco units
Installation Refer to the machine’s service manual; torque and orientation are critical
Interchangeability Model-specific—confirm by pump assembly bill of materials before purchase

Why this part matters

  • Maintains precise stroke transfer between the drive and fluid sections.
  • Reduces wear on piston components when properly aligned and torqued.
  • OEM fitment helps preserve pump performance and service life.

Fitment Guidance

  • Match the pump model and series (and any ratio/stroke variants) in the parts manual.
  • Inspect mating components (pins, bushings, bearings) for wear during replacement.
  • If your machine uses a different pump ratio or stroke, this rod may not be correct.

Frequently Asked Questions

Check your pump assembly’s parts list in the official service manual and match the part number. Also verify the pump model (e.g., 206-797, 215-875, 206-418, 207-321) and series. If unsure, provide your unit’s model and serial for confirmation before ordering.

Yes. Connecting rods are engineered to specific strokes and ratios. Using a rod from a different variant can cause misalignment and premature wear. Always match the exact pump configuration listed in the manual.

Inspect and replace related wear items such as pivot pins, bushings/bearings, and fasteners if out of spec. Confirm torque values and lubrication per the service manual during reassembly.

No. This connecting rod is associated with larger contractor/industrial pump assemblies, not small handheld or entry-level consumer sprayers.

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