250-2503 Hydraulic Pump Seal Kit for Caterpillar 320D 324D 325D 329D 320C 318C 321D LCR 323D L 326D L

250-2503 Hydraulic Pump Seal Kit – Premium Aftermarket Solution for Caterpillar Excavators

Restore peak hydraulic power and entirely eliminate fluid leaks with this professional-grade 250-2503 hydraulic pump seal kit. Specifically engineered for Caterpillar’s highly popular excavators and mobile hydraulic power units, including the 320D, 324D, 325D, and 329D series. Hydraulic pumps on these heavy earthmovers endure continuous high-pressure cycles in demanding work spaces; manufactured by WINSCHEN utilizing premium elastomeric and polyurethane materials, these seals are built to withstand severe construction site conditions.

Key Features and Selling Points

• Optimized Hydraulic Power: Precision-engineered seals prevent internal pressure loss, ensuring your Cat hydraulic pump maintains maximum flow and efficiency without performance drop.
• Direct OEM Compatibility: Guaranteed to seamlessly match Caterpillar factory specifications for the 250-2503 pump group across various 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 dirt and moisture.
• Comprehensive Overhaul Kit: Includes all essential service parts required for a complete, reliable, and leak-free hydraulic pump rebuild.
• Minimize Equipment Downtime: A dependable, cost-effective aftermarket alternative from WINSCHEN that reduces maintenance overhead while keeping your heavy earthmoving machinery producing.

Compatible Equipment Models

Based on official catalog data, the 250-2503 seal kit services the hydraulic pumps of the following Caterpillar equipment:

• Caterpillar Excavators: 318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 322C, 323D L, 323D LN, 323D SA, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN, M325D MH, M325D L MH
• Caterpillar Mobile Hyd Power Units: 323D L, 323D LN, 324D LN, 325D, 329D L
• Application: Hydraulic Main Pump Service

Specifications

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