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DURO 90 O-Ring Kit – CAT Equivalent 270-1528

DURO 90 O-Ring Kit – CAT Equivalent 270-1528

Availability: 79 in stock

$280.00 AUD
$280.00 AUD
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  • Description
  • What's included

  • Heavy-duty Nitrile (NBR) Duro 90 O-ring kit designed for hydraulic system maintenance and sealing applications on Caterpillar mining and earthmoving equipment.

    Manufactured from 90 Shore A hardness nitrile rubber, these O-rings provide excellent resistance to petroleum-based hydraulic oils, mechanical wear and extrusion under pressure when used in correctly designed sealing applications.

    This comprehensive assortment provides a practical, cost-effective aftermarket alternative to purchasing individual OEM replacement seals, with commonly used Caterpillar O-ring sizes organised for convenient identification and access.

    Features & Specifications:

    • CAT equivalent part number: 270-1528

    • Nitrile (NBR) sealing material

    • 90 Shore A hardness (Duro 90)

    • Suitable for compatible high-pressure hydraulic sealing applications

    • Resistance to petroleum-based hydraulic oils

    • Assortment of commonly used Caterpillar O-ring sizes

    • Organised protective carry case

    • Cost-effective aftermarket sealing solution

    Applications: Caterpillar mining equipment, earthmoving machinery, hydraulic cylinders, pumps, valve assemblies and heavy equipment maintenance.

    Part Numbers & Quantities:

    Refer to the complete CAT equivalent part number and quantity listing below for individual kit contents.

 

✅ STOR – Straight Thread O-Ring

  • 4J-7533 — Qty 20 — Dash 2
  • 7J-0204 — Qty 20 — Dash 3
  • 3J-7354 — Qty 20 — Dash 4
  • 1J-9671 — Qty 20 — Dash 5
  • 3J-1907 — Qty 20 — Dash 6
  • 3K-0360 — Qty 20 — Dash 8
  • 2M-9780 — Qty 20 — Dash 10
  • 3D-2824 — Qty 20 — Dash 12
  • 4K-1388 — Qty 20 — Dash 14
  • 7M-8485 — Qty 20 — Dash 16
  • 2S-4078 — Qty 20 — Dash 20
  • 6K-6307 — Qty 20 — Dash 24
  • 030-4606 — Qty 10 — Dash 32

✅ ORFS – O-Ring Face Seal

  • 4J-5477 — Qty 20 — Dash 3, 4 & 5
  • 6V-8397 — Qty 20 — Dash 6
  • 6V-8398 — Qty 20 — Dash 8
  • 7J-9108 — Qty 20 — Dash 10
  • 6V-9746 — Qty 20 — Dash 12 & 14
  • 5K-9090 — Qty 20 — Dash 16
  • 6V-8400 — Qty 20 — Dash 20
  • 8T-0315 — Qty 20 — Dash 24

✅ Flange O-Rings

  • 4J-5140 — Qty 20 — Dash 8
  • 4J-5267 — Qty 20 — Dash 12
  • 4J-0519 — Qty 15
  • 4J-0520 — Qty 15 — Dash 16
  • 4J-0521 — Qty 15 — Dash 20
  • 4J-0522 — Qty 15
  • 4J-0523 — Qty 15
  • 4J-0524 — Qty 15 — Dash 24
  • 4J-0525 — Qty 10
  • 4J-0526 — Qty 10
  • 4J-0527 — Qty 10 — Dash 32