CATERPILLAR 328-4240 Rocker Arm AS 3284240

Caterpillar 328-4240 Rocker Arm AS – OEM-Grade Durability and Precision for Heavy-Duty Engines

The Caterpillar 328-4240 Rocker Arm AS is a critical component engineered for optimal performance across a wide range of Caterpillar engines, including the 9NN-3406E and CAH-3456 Engine Generator Sets, 6BR-3406E and 3LW-3456 Industrial Engines, as well as 5EK-3406E and 6TS-3406E Truck Engines. This rocker arm assembly is designed with high-grade metallurgy to withstand extreme load conditions and ensure precise valve actuation, contributing to enhanced engine efficiency and longevity. Its robust construction guarantees superior resistance to wear and fatigue, making it ideal for demanding applications such as load, haul, dump operations (BAR-R2900) and marine products (9WR-3406E).

Manufactured to meet stringent OEM specifications, the 328-4240 Rocker Arm AS delivers consistent valve timing and reduced mechanical stress within the drivetrain. Its precision-machined surfaces and optimized geometry improve valve train dynamics, reducing friction and heat generation during operation. This results in improved fuel efficiency, lower emissions, and extended engine service intervals. Whether deployed in industrial, truck, marine, or generator set engines, this rocker arm assembly ensures reliable performance under high RPM and heavy load scenarios, making it an indispensable part for maintaining Caterpillar engine integrity.

🔗 For more detailed specifications and to purchase the Caterpillar 328-4240 Rocker Arm AS, visit the official product page at Caterpillar 328-4240 Rocker Arm AS on AllParts Expert.