CATERPILLAR 516-6403 Dowel-Spring 5166403

Caterpillar 516-6403 Dowel-Spring – OEM-Grade Durability for Excavator Applications
The Caterpillar 516-6403 Dowel-Spring is a precision-engineered component designed for optimal performance in heavy-duty excavators including models 4CS-5130B, 5ZL-5130, 7LL-5230, and 4HZ-5230B. Manufactured to exact OEM specifications, this dowel-spring ensures superior alignment and secure fastening within the drivetrain and structural assemblies, enhancing overall machine reliability. Crafted from high-strength alloy steel with advanced metallurgy treatments, it offers exceptional resistance to shear forces and load conditions typical in excavation operations.

This dowel-spring features precise dimensions tailored to fit seamlessly within Caterpillar excavator assemblies, maintaining critical tolerances to prevent component misalignment and premature wear. Its robust design supports heavy load cycles and vibration absorption, contributing to extended service life and reduced maintenance intervals. Ideal for professionals seeking genuine Caterpillar spare parts, the 516-6403 dowel-spring guarantees consistent performance and durability under harsh working environments, ensuring your excavator operates at peak efficiency.

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