581-1366 5811366 Genuine CAT Rocker Arm Shaft Assembly for C9.3 C9.3B Excavator Engine Parts

CAT 581-1366 Rocker Arm Shaft (SHAFT AS-ROC)

The CAT 581-1366 Rocker Arm Shaft (also referenced as 5811366, SHAFT AS-ROC) is a direct replacement valve train component designed for CAT C9.3 and C9.3B diesel engines used in excavators and heavy construction equipment. It provides a stable pivot axis for the rocker arms, ensuring precise valve timing and smooth engine operation under continuous heavy loads.

Key Features

• Precision-machined alloy steel construction delivers consistent strength and dimensional accuracy
• Ground surface finish reduces friction and supports smooth rocker arm movement
• Anti-corrosion coating protects the shaft in humid and dusty working environments
• Engineered as a direct replacement to maintain correct valve train geometry
• Rigorous quality control during production ensures reliable fit and performance

Compatibility

Specifications

Packaging & Shipping

Each shaft is wrapped with anti-rust protection and packed in an export-grade corrugated carton to prevent damage during transit. Stock items ship within 3 working days; production orders are delivered in 15-25 days.

For bulk pricing and custom orders, please contact us with your quantity and destination.