EA4720502431
Rocker Arm Shaft Exhaust
Detroit Diesel

The rocker arm shaft for exhaust valves is a key component that supports the rocker arms, which actuate the exhaust valves based on camshaft movement. Constructed from high-strength steel, this shaft measures approximately 1070 mm in length, designed to fit securely within the cylinder head assembly. Its role is critical in translating camshaft rotation into precise valve movements, which directly influence exhaust flow and engine efficiency. The steel construction provides resilience under high temperatures and mechanical stresses, ensuring consistent operation over extended service intervals. Proper positioning and secure mounting of this shaft are essential for maintaining correct valve timing and engine responsiveness. When combined with other valve train components, it helps optimize power delivery and emissions compliance. Sourcing this part from a trusted supplier ensures quality and compatibility for heavy-duty engine applications, vital for fleet reliability.