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Cummins Rocker Lever 3934921

Cummins Rocker Lever 3934921


Rocker arm set 3934921 Cummins diesel engine parts C8.3L 6C 6CT 6CTA 6CTAA
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Product Introduction

The rocker lever is a component of the engine valve train that is responsible for transmitting the motion of the camshaft to the valve. It is a lever that pivots on a shaft and is actuated by the camshaft lobes. The rocker lever is designed to open and close the valve by pushing on the valve stem. The Cummins® part number 3934921 is a specific rocker lever designed for use in Cummins® engines.
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