OSK™ O-Ring for Caterpillar® 4J0521 4J-0521 O-Ring Seal


Qty Discounts Prices
1
$0.740		 2-9
$0.670		 10+
$0.560

$0.740

  • Model: 4J0521-OSK
  • 9633 in Stock
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OSK™ O-Ring for Caterpillar® 4J0521 4J-0521 O-Ring Seal [4J0521-OSK]

Model: 4J0521-OSK

DESCRIPTION: O-RING, 1.359" ID X 0.139" CS

This is a replacement O-ring for CAT® Equipment*

4J0521 Caterpillar O-Ring Includes:

  • Contents not confirmed

Technical Specifications

ItemValue
Inside Diameter1.359" (34.52 mm)
Cross Section0.139" (3.53 mm)
AS568 Dash Size-220
MaterialNot confirmed
Item TypeO-ring (not a cylinder seal kit)

Compatible Models

Specific equipment models for this O-ring are not listed. Match by Caterpillar part number 4J0521.

Cross-References & Equivalents

  • Caterpillar OEM part number: 4J-0521 (4J0521)
  • Store part number: 4J0521-OSK

Applications & Notes

  • Single O-ring replacement part for Caterpillar part number 4J-0521; this is not a hydraulic cylinder seal kit.
  • Size: 34.52 mm inside diameter x 3.53 mm cross section.
  • Flange-seal O-ring size used with SAE Code 61/62 flange connections.

*All manufacturer’s names, part numbers and descriptions are used for reference purposes only. Seal Kit - assembled with high quality, aftermarket parts that make up a complete o-ring seal kit.