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Plunger Retainer Backup Ring

Plunger Retainer Backup Ring

Regular price $3.25 USD
Regular price Sale price $3.25 USD
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Replacement PTFE Backup Ring for CAT Pump Plunger Retainers

Plunger Retainer Backup Ring replaces a worn or cracked ring on a 25 frame plunger pump.

Compatibility: Fits a wide range of CAT pump models, including:

  • Series 7CP: 611, 6111G1, 6171
  • Series 200: 230, 231, 237, 240, 241, 247
  • Series 270: 270, 271, 277
  • Series 300: 310, 310B, 310S, 311, 311C, 317
  • Series 340: 340, 340B, 340S, 341, 347
  • Series 350: 350, 350B, 350S, 351, 357
  • Series 500: 530, 550
  • Series 600: 660, 661C, 661D
  • Series 700: 781, 781
  • Series 1000: 1050, 1051C
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