Caterpillar (CAT) 4C-4782 O-Ring Seal Kit | Heavy Duty Hydraulic Replacement Box for Excavators

Stop leaks instantly and keep your CAT machinery running at peak performance. This aftermarket 4C-4782 O-Ring Kit is engineered to meet or exceed OEM specifications. Designed for high-pressure hydraulic applications, this kit is an essential toolkit for both professional repair shops and individual equipment owners. Don't let a failed seal cause costly downtime—keep this kit in your shop or service truck for quick, reliable repairs.

• Precise Compatibility: Fully compatible with Caterpillar 4C-4782 specifications. Fits perfectly into CAT hydraulic pumps, valves, cylinders, and motors.

• Industrial-Grade Material: Made from premium Nitrile (NBR) 90 Durometer rubber, offering superior resistance to hydraulic fluids, mineral oils, and grease.

• High-Temperature Resistance: Built to perform in harsh working environments, handling temperatures from -40°C to +120°C without cracking or deforming.

• Organized for Efficiency: Comes in a rugged, impact-resistant plastic case with a clear size identification chart, making it easy to find the exact ring you need in seconds.

• Cost-Effective Solution: Get the same sealing performance as the original part at a fraction of the price.