ZX.1938 Seal Packing Kit

In stock
Part Number
ZX.1938
$52.90
Part Number: ZX.1938
Compatible Brands: CAT Pumps, Idrobase
Shipping Weight: 0.15 Lbs

The ZX.1938 is a seal packing kit that contains high pressure seals, low pressure seals, seal case O-rings, plunger retainer O-rings, and long tab wicks.

This seal packing kit is designed to fit CAT pressure washer pumps from the 310 series, and can replace the CAT 30623 Seal Kit.

The ZX.1938 is made in Italy and meets or exceeds all OEM standards.

Kit ZX.1938 includes components that match the specifications of original CAT parts, ensuring an exact fit with compatible CAT pumps.

Using exact fit parts helps to reduce the chance of leaks while improving the performance of your CAT pump.


Parts included in the ZX.1938 Seal Packing Kit

  • 43307 high-pressure seals with S seal - NBR (nitrile rubber) material (3)
  • 43305 low-pressure seals with S-Spg seal - NBR material (3)
  • 14200 seal case o-rings - NBR material (3)
  • 17399 plunger retainer o-rings - NBR material (3)
  • 43302 long tab wicks (3)
  • 33489 kit listing (1)

The ZX.1938 is a direct replacement for CAT 30623 Seal Kit


Additional Service and Interchange Information:

Cross Reference Part Number(s): 30623

Manufacturer's Part Numbers (MPNs): Kit C4, 30623, GH 30623

Idrobase Part Numbers: ZX.1938

Kleen-Rite Part Number: PU30623

Compatibility Information

Fits CAT Pumps:

30, 31, 34, 35, 310, 310B, 310S, 310W, 340, 340S, 340B, 340W, 350, 350S, 350B, 350W

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Idrobase quality replacement parts by Idrobase North America meet or exceed all OEM quality CETA standards for replacement parts and components and are not directly manufactured by your equipment brand.​ These replacement components are made from Italy’s highest OEM quality materials to meet or exceed all manufacturers’ product standards. All Idrobase North America Dolly Spare Parts will be engineered for specific pumps and multiple brands and manufacturers of pressure washer pumps made according to Idrobase’s technical specifications and production standards.
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