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Graco 101822 Ball Bearing

The Graco 101822 Ball Bearing is a genuine stainless-steel piston ball (5/8") used inside select Graco displacement pumps and Dura-Flo lowers.

  • Part Number: 101822
  • Material: Stainless Steel (SST)
  • Diameter: 0.625" (5/8")
  • Used In: Dura-Flo 600 & 750 lowers, Displacement Pump 244957
  • Function: Piston check ball ensuring tight fluid seal and flow control

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Graco 101822 Ball Bearing — OEM Piston Ball (5/8" SST)

Compatible Machines / Assemblies

The Graco 101822 is the OEM piston ball (stainless steel, 0.625") used in the following Graco industrial pump lowers / displacement pumps. Always verify against your unit’s parts list and serial range.

  • Graco Dura-Flo 600 (145 cc) Lowers — Lower Part Nos.: 247168, 236458, 241177, L145SS, L14BSS (uses Ref. 10* 101822 piston ball)
  • Graco Dura-Flo 750 (180 cc) Lowers — Lower Part Nos.: 236456, 261657, L180SS (uses Ref. 10* 101822 piston ball)
  • Displacement Pump Assembly — Pump Model 244957 (parts list shows 101822 “BALL, sst, 0.625 in.”)
  • Dura-Flo 600 Pumps (family) — Parts lists identify 101822 as the piston ball for 0.625" configurations (check your specific DF-600 pump bill of materials)

Graco 101822 Ball Bearing is an OEM stainless-steel piston ball (5/8" / 0.625") used inside select Graco displacement pumps and Dura-Flo lowers to control fluid check and sealing performance under high pressure.

Attribute Detail
OEM Part # 101822
Common Name Ball Bearing / Piston Ball
Material Stainless Steel (SST)
Size 0.625" (5/8") diameter
Typical Location Piston check assembly inside Dura-Flo and select displacement pumps
Category Genuine Graco service part

Frequently Asked Questions

No—101822 is a 5/8" stainless-steel piston ball. Some related pumps use different sizes (e.g., 3/4" 101859) or materials (e.g., ceramic). Always match the exact part number in your pump’s manual.

It installs in the piston check assembly of the displacement pump/lower. Manuals show it as “Ref. 10* BALL, piston; sst; 5/8 in. (16 mm)” for Dura-Flo 600/750 lowers and as “BALL, sst, 0.625 in.” in specific displacement pumps.

Check the parts list for your exact pump/lower. If it lists 101822 for the piston ball, you’re set. If it lists a different ball (e.g., 101859, 102972), order that specific size instead.

Follow the service manual. Keep sealants off the ball/seat, inspect the seat and guides, and torque the piston valve to the value specified for your pump model. Prime and leak-check before returning to service.

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