0) { let days = Math.floor(timeRemaining / (1000 * 60 * 60 * 24)); let hours = Math.floor((timeRemaining % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)); let minutes = Math.floor((timeRemaining % (1000 * 60 * 60)) / (1000 * 60)); this.countdown = ''; if (days > 0) this.countdown += days + 'd '; if (hours > 0) this.countdown += hours + 'h '; this.countdown += minutes + 'm'; } else { this.countdown = '0m'; } } }" x-init="() => { updateCountdown(); setInterval(() => { updateCountdown(); }, 60000); // Update countdown every minute if (promos.length > 1) { setInterval(() => { rotatePromos(); }, 10000); } }" class="special-alert mobile-display-none" :class="promos.length > 0 ? 'special-alert-active':''">

Home > Parts & Services > Parts > Genuine CAT® Parts > Seals & O-Rings

Seals & O-Rings

Cat® O-rings or “toric joints” are the industry’s best mechanical gaskets simply because they have to be. These inexpensive, reliable O-rings prevent fluid contamination while delivering long, leak-free performance under the most demanding jobsite conditions. Whether it’s for a Cat machine or power system, we have more than 2,500 O-rings in stock, along with money-saving O-Ring Seal Kits and Re-sealable O-Ring Packages. You can have confidence in Cat O-rings’ performance knowing that they:

  • Meet or exceed SAE standards
  • Match your Cat system’s different fluid types, temperatures, and pressures
  • Provide superior resistance to compression set
  • Feature special dimensional tolerances and coatings for improved installation and performance
  • Utilize the Cat logo and part number for easy identification and counterfeit protection

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