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Specifications

The 8M4990 Seal O‑Ring from Costex Tractor Parts is an OEM-quality sealing solution designed for Caterpillar equipment. Constructed from durable elastomeric materials, this O‑ring provides dependable sealing in hydraulic systems, engines, and other high-pressure applications. Engineered to precise specifications, it resists temperature extremes, pressure variations, and wear, ensuring reliable leak prevention. Easy to install and replace, the 8M4990 O‑ring delivers long-lasting performance and cost-effective maintenance for your heavy machinery.
Weight
0.01

Compatibility

Caterpillar 320C (2007)

Caterpillar 320D (2008)

Caterpillar 320DL (2009)

Caterpillar 322C (2007)

Caterpillar 322D (2008)

Caterpillar 325C (2008)

Alternative Part Numbers

  • Aztec Hydraulics
  • CAT: 8M4990
  • CT8M4990
  • CTP (Heavy Duty Pros)
  • CTP‑145222
  • IMM‑8M4990
  • Interstate‑McBee (Reliable Industries)

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