Special Offers
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3967264 Rocker Lever Housing
This Rocker Lever Housing (part number C3967264) is a perfect fit for your Cummins Diesel Engine QSL. Made of high-quality aluminum and steel materials, this housing is durable and long-lasting. It was manufactured in China and...Regular price $324.57Regular price $324.57 -
3967265 Rocker Lever Housing
Up for sale is a high-quality Rocker Lever Housing that fits Dodge Cummins Diesel Engine ISLe. This unit is manufactured by DCEC in China and is designed to ensure a perfect fit for your vehicle. It...Regular price $250.77Regular price $250.77 -
4003911 Rocker Lever
The rocker lever is a component of the engine valve train that is responsible for transferring the motion of the camshaft to the valve. It is a lever that pivots on a shaft and is actuated...Regular price $74.40Regular price $74.40 -
4003912 Rocker Lever
Ensure optimal performance with the 4003912 Rocker Lever, compatible with Cummins Diesel Engine models M11, QSM, ISM, and L10. Supersedes part numbers 4003904, 3068350, and 3400972 for dependable engine reliability. Supersedes:4003904 3068350 3400972Regular price $99.00Regular price $99.00 -
4003913 Rocker Lever
This high-quality Rocker Lever set is specifically designed to fit Cummins Diesel Engine models M11, QSM, and ISM. Crafted from durable steel material, you can be sure that this replacement part will last for a long...Regular price $61.38Regular price $61.38 -
4003914 Rocker Lever
The 4003914 Rocker Lever is designed for Cummins Diesel Engines M11, QSM, ISM, and L10 models. Compatible with part numbers 3064601, 3400974, 3064600, and 4003906, it ensures reliable engine performance and durability. Supersedes:3064601 3400974 3064600 4003906...Regular price $109.00Regular price $109.00
The rocker lever is a pivoting lever in the engine's valvetrain. It acts as a link between the camshaft and the engine valves. As the camshaft rotates, its lobes push on one end of the rocker lever, causing it to pivot and press down on the valve at the other end. This opens the valve at precisely the right moment to let air and fuel in or exhaust gases out. When the cam moves past, the rocker lever returns and the valve spring closes the valve.