Ensure powerful and leak-free boom operation on your EC300 excavator with this high-quality boom cylinder seal kit. Engineered for maximum durability and performance, this kit offers excellent resistance to hydraulic pressure, wear, and extreme working conditions. It restores lifting strength and extends the service life of your boom cylinder, making it ideal for both routine maintenance and major repairs. Available in Canada through CT Parts with fast shipping and dependable support. Need help or want to place an order? 📞 Call Now +1 (604) 442-6852