CATERPILLAR 108-4090 Motor GP-Propel 1084090

Caterpillar LKB-121 Bolt – OEM-Grade Durability for Motor Graders

The Caterpillar LKB-121 Bolt is a precision-engineered fastener designed specifically for a wide range of Caterpillar motor graders, including models such as the 6NM-120H ES, 9YR-120H ES, 4MK-120H NA, 6YN-120H NA, and many others across the 120H, 120K, 135H, and 140H series. Manufactured to meet stringent OEM specifications, this bolt ensures optimal fitment and superior mechanical strength under heavy load conditions typical in motor grader drivetrain assemblies. Crafted from high-grade alloy steel with corrosion-resistant coatings, the LKB-121 bolt delivers exceptional tensile strength and fatigue resistance, critical for maintaining structural integrity in demanding construction environments.

Technically, the LKB-121 bolt features precise thread geometry and hardened metallurgy that withstands the high torque and vibration stresses encountered during motor grader operation. Its robust design minimizes loosening and wear, contributing to enhanced machine reliability and reduced maintenance downtime. Compatible with a broad spectrum of Caterpillar motor grader models, this bolt supports efficient load transfer and secure fastening in critical drivetrain and chassis components. Investing in the Caterpillar LKB-121 bolt guarantees OEM-quality performance, extended service life, and improved operational safety for your heavy equipment fleet.

For detailed specifications and to purchase the genuine Caterpillar LKB-121 Bolt, visit 🔗 Caterpillar LKB-121 Bolt at AllParts Expert. Ensure your motor grader maintains peak performance with this essential, high-quality spare part.