CATERPILLAR D011949-05 Seal-O-Ring D01194905

CATERPILLAR D011949-05 Seal-O-Ring – OEM-Grade Durability for Excavator Hydraulic Systems

The CATERPILLAR D011949-05 Seal-O-Ring is a precision-engineered component designed to ensure optimal sealing performance in heavy-duty Caterpillar excavators, including models 1JS-330B L, 8TR-330B L, 8SR-330B, 3MW-345B L, 5WS-345B L, 2ZW-345B, and 6XS-345B. Manufactured from high-grade elastomeric materials with excellent resistance to hydraulic fluids, extreme temperatures, and abrasive conditions, this seal-o-ring maintains integrity under high-pressure load conditions typical of excavator drivetrain and hydraulic systems. Its exact dimensions and tight tolerance manufacturing guarantee a perfect fit, preventing leaks and ensuring system efficiency.

Technically, the D011949-05 Seal-O-Ring features superior elasticity and compression set resistance, critical for maintaining long-term sealing performance in dynamic environments. Its advanced metallurgy and compound formulation resist degradation from exposure to oil, heat, and mechanical stress, extending service intervals and reducing downtime. By using this OEM-quality seal, operators benefit from enhanced hydraulic system reliability, improved machine uptime, and reduced maintenance costs, making it an essential spare part for Caterpillar excavator maintenance and repair.

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