PDI Premium Rocker Shaft for CAT C15, C16, and 3406E (6I0901)

Premium replacement rocker shaft engineered to restore valve train stability in CAT C15, C16, and 3406E engines. Ideal for rebuilds showing wear, scoring, or rocker movement. Why Replace Rocker Shafts During a Rebuild? A worn rocker shaft can create performance issues long before it fully fails. It is one of the most overlooked components during a rebuild, yet it directly affects: Valve timing Valve lift consistency Rocker arm stability Oiling efficiency Overall valve train wear rates Installing a new rocker shaft during a rebuild ensures the valve train operates on a smooth, correctly machined surface—something a high-mileage shaft can no longer provide. Common Wear Indicators on Existing Rocker Shafts Customers often do not realize their rocker shafts are worn until the engine exhibits valve train noise or performance loss. During teardown, look for the following signs: Scoring and groove wearVisible grooves or scratches where rocker arms ride indicate insufficient lubrication or