The YNF17725 Boom Cylinder Seal Kit is designed for Cat 311D excavators, providing a complete set of seals for the boom hydraulic cylinder. Manufactured with high-quality materials, this kit ensures leak-free operation, maintains hydraulic pressure, and extends the service life of the boom cylinder under heavy-duty working conditions.

• OEM-equivalent replacement for 283-6179

• Compatible with Cat 311D boom cylinders

• Complete seal kit including O-rings, gaskets, and other essential components

• High-quality materials resistant to heat, pressure, and hydraulic fluid

• Precision-engineered for OEM-standard fit and leak-free performance

• Ideal for preventive maintenance or boom cylinder repair

• Enhances durability and efficiency of hydraulic system

• Easy installation with plug-and-play compatibility

• Machine model: Cat 311D excavator

• Component: Boom Cylinder Seal Kit

• Maintains hydraulic integrity and prevents leaks in boom cylinders

• Suitable for repair, overhaul, and preventive maintenance of heavy machinery

• Compatibility confirmation via OEM numbers or photos

• Technical guidance for installation and troubleshooting

• Long-term supply for distributors, workshops, and service centers

• Custom seal kits available upon request

• Each seal kit packed in protective plastic bags

• Export-standard cartons for safe transport

• Neutral or YNF-branded packaging available

• Supports mixed shipments with other hydraulic components

Q1: Can this seal kit replace OEM 283-6179 directly?
A: Yes, it is a direct OEM-equivalent replacement.

Q2: Are the seals resistant to hydraulic pressure and heat?
A: Yes, all seals are made from high-quality, durable materials suitable for heavy-duty hydraulic systems.

Q3: Can this kit be used for preventive maintenance?
A: Yes, it is ideal for both repair and preventive maintenance of the boom cylinder.