266-7891 Boom Cylinder Seal Kit for Caterpillar Excavators 320D 323D

266-7891 Boom Cylinder Seal Kit – High-Quality Aftermarket Replacement for Caterpillar Excavators

Restore smooth and leak-free boom operation in your Caterpillar excavator with this premium aftermarket 266-7891 boom cylinder seal kit. Engineered as a direct OEM replacement, it includes all necessary high-grade seals to rebuild the boom cylinder, preventing hydraulic fluid leaks and ensuring reliable lifting performance in demanding conditions.

Key Benefits for Contractors and Operators

• Stops Hydraulic Leaks: Premium seals prevent fluid loss, contamination, and cylinder drift for safe, efficient boom control.
• Direct Fit Installation: Matches genuine Cat specs for quick rebuild without modifications – minimize downtime and get back to work faster.
• Built Tough for Heavy Duty Use: Durable materials resist pressure, wear, heat, and harsh conditions for long-lasting reliability.
• Cost-Effective Alternative: Full kit performance at aftermarket pricing – ideal for routine maintenance and fleet repairs.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Caterpillar Models

This boom cylinder seal kit is commonly used for models including (verify your machine’s parts manual for exact fit):

• 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR
• 323D L, 323D LN, 323D SA

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.