Back-Up Rings for CATs

$3.30

Back-Up Ring

  • PTFE Plunger Retainer
  • for CAT pumps, see below

Product Description

for CAT pumps: 7CP611, 7CP6111G1, 7CP6171, 230, 231, 237, 240, 241, 247, 270, 271, 277, 310, 310B, 310S, 311, 311C, 317, 340, 340B, 340S, 341, 347, 350, 350B, 350S, 351, 357, 530, 550, 660, 661C, 661D, 781, 781. 1050, 1051C