Premium Caterpillar CAT 3066 Diesel Engine Rocker Arm Assembly

High-Performance Material
Precision-crafted from high-grade alloy steel for superior durability and heat resistance, ensuring long-term reliability under heavy-duty conditions.
Precision Engineering
Manufactured with CNC-machined components and hardened surfaces to reduce wear, delivering smooth valve operation and optimal engine performance.
Perfect Fit & Compatibility
Direct replacement for OEM part numbers 178-6509 / 1786509, designed specifically for Caterpillar 320C excavators and compatible with CAT 3066 diesel engines.
Built for Heavy-Duty Applications
Ideal for construction, mining, and industrial machinery, engineered to withstand extreme loads and continuous operation without failure.
Global Wholesale Advantage
Lowest online prices guaranteed, bulk order discounts available, and fast worldwide shipping—backed by a trusted wholesale supplier.
Ready to Ship
In-stock inventory ensures immediate dispatch—no delays for your critical equipment repairs.