Graco 165970 Connecting Rod

Compatibility & Fitment

Use the list below to confirm whether this part matches your pump. If your model is shown, this is the correct rod. If your pump’s parts list specifies Graco 165970 Connecting Rod, it will fit.

• Graco Fire-Ball 15:1 Pump — Model 206405, Series K

Also fits other Graco piston pumps that explicitly call out part 165970 in their service manual or parts list.

Product Summary

OEM connecting rod that links the crank/drive to the displacement piston in Graco piston-style pumps. Correct rod length maintains stroke, alignment, and packing life in heavy-duty spraying applications.

Key Specifications

Benefits

• Maintains factory stroke and piston alignment for consistent pressure
• Reduces wear on packings, piston, and valves
• Direct OEM replacement to avoid mis-fit and vibration issues

Installation Tips

• Disconnect power/air, relieve pressure, and follow your pump’s service manual
• Inspect crank pin, bearings, and piston assembly for wear before reassembly
• Torque fasteners to spec and check for smooth reciprocation by hand

Frequently Asked Questions