398-2332 Hydraulic Boom Cylinder Seal Kit for Caterpillar 320D 320D2

398-2332 Hydraulic Boom Cylinder Seal Kit – Premium Aftermarket Solution for Caterpillar Excavators

Restore maximum lifting capacity and entirely eliminate hydraulic fluid leaks with this professional-grade 398-2332 boom cylinder seal kit. Specifically engineered for Caterpillar’s legendary 20-ton class excavators, including the highly popular 320D and 320D2 models. The boom cylinder endures massive load-bearing stress during every heavy lift; manufactured by WINSCHEN utilizing premium elastomeric and polyurethane materials, these seals are built to withstand severe construction, trenching, and quarrying site conditions.

Key Features and Selling Points

• Optimized Boom Performance: Precision-engineered U-cups and buffer seals prevent internal fluid bypass, ensuring your Cat excavator maintains consistent lifting force and eliminates boom drift under maximum payloads.
• Direct OEM Compatibility: Guaranteed to seamlessly match Caterpillar factory specifications for the boom cylinder group on 320D and 320D2 models, facilitating a precise and straightforward installation.
• Heavy-Duty Durability: Highly resistant to severe hydraulic pressure spikes, elevated operating temperatures, and environmental contaminants such as abrasive rock dust and moisture.
• Comprehensive Overhaul Kit: Includes all essential service parts and O-rings required for a complete, leak-free boom cylinder rebuild.
• Minimize Equipment Downtime: A dependable, cost-effective aftermarket alternative from WINSCHEN that reduces maintenance overhead while keeping your core earthmoving machinery producing.

Compatible Equipment Models

Based on official catalog data, the 398-2332 seal kit services the boom cylinders of the following Caterpillar equipment:

• Caterpillar Excavators: 320D, 320D2
• Application: Boom Cylinder Service

Specifications

Need to confirm compatibility for your specific Cat machine serial number? Our technical experts are ready to assist. We offer rapid global shipping to minimize your machine’s downtime.