Caterpillar (CAT) Universal O-Ring Seal Kit | General Purpose Hydraulic Assortment Box

The ultimate "Must-Have" toolkit for every Caterpillar owner. Not sure which part number you need? The CAT Universal O-Ring Kit covers the most common SAE sizes found on Caterpillar excavators, loaders, and dozers. Designed for general hydraulic maintenance, this versatile box is your best defense against unexpected leaks in hoses, adapters, and fittings. Keep one in your truck or shop to minimize downtime.

• Universal Coverage: Carefully curated to include the most frequently used O-ring sizes across the entire Caterpillar family (E320, E330, etc.).

• Industrial NBR 90: Made from heavy-duty Nitrile Rubber (Shore A 90), providing excellent resistance to hydraulic fluids, mineral oils, and grease.

• Leak Prevention: Perfect for sealing hydraulic fittings, tube lines, caps, and plugs that tend to loosen or wear out over time.

• Cost-Effective: Why buy individual seals? This bulk assortment offers massive savings and ensures you always have the right size on hand.

• Quick Identification: Housed in a sturdy case with a clear layout, making it easy to match the old seal with a new replacement instantly.