CATERPILLAR 143-8717 Rocker Arm AS 1438717

Caterpillar 143-8717 Rocker Arm AS – OEM-Grade Durability for Heavy-Duty Engines
The Caterpillar 143-8717 Rocker Arm AS is a precision-engineered component designed for optimal performance across a wide range of Caterpillar heavy equipment engines, including the 7RN-3516B, 8RM-3512B, 4GM-3508B, and numerous marine, industrial, and off-highway truck models. Manufactured to exact OEM specifications, this rocker arm features high-grade alloy steel metallurgy, ensuring exceptional resistance to wear and fatigue under extreme load conditions. Its robust design supports precise valve actuation, contributing to improved engine efficiency and longevity in demanding operational environments.

Built to withstand the rigorous drivetrain stresses typical of Caterpillar’s 3500 series engines and off-highway trucks such as the 776D and 777D, the 143-8717 Rocker Arm AS delivers consistent valve timing and reduced mechanical losses. This results in enhanced combustion performance and reduced downtime, critical for maintaining productivity in mining, construction, marine, and industrial applications. The component’s dimensional accuracy, including optimized arm length and pivot geometry, ensures seamless integration and reliable operation within the valvetrain assembly, minimizing maintenance intervals and extending engine service life.

For high-quality replacement parts that guarantee OEM compatibility and superior durability, explore the Caterpillar 143-8717 Rocker Arm AS product page to secure your engine’s peak performance with genuine Caterpillar components.

🔗 Buy Caterpillar 143-8717 Rocker Arm AS – OEM Replacement for Heavy Equipment Engines