3055743
Tappet Top Stop Lock Nut
Cummins®

The Tappet Top Stop Lock Nut, identified by part number 3055743, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This part plays a role in the operation of heavy-duty truck engines, contributing to the overall efficiency and reliability of the engine’s valve train system ¹.

Function and Operation

Within the valve train system, the Tappet Top Stop Lock Nut operates to maintain proper valve clearance. It secures the tappet in place, ensuring that the valve operates within the specified clearance range. This function contributes to the efficient performance of the engine, as it helps in maintaining the precise timing and operation of the valves, which are important for combustion efficiency and engine power output ².

Key Features

The Tappet Top Stop Lock Nut is designed with specific characteristics that enhance its performance and durability. Crafted from high-quality materials, it is built to withstand the high stresses and temperatures encountered in heavy-duty engine environments. Its design ensures a secure fit, preventing any movement of the tappet that could lead to valve train noise or inefficient valve operation ³.

Benefits

The use of the Tappet Top Stop Lock Nut offers several advantages. It contributes to improved engine efficiency by ensuring that the valve train components operate within their designed parameters. This results in reduced maintenance requirements, as the secure fit of the nut helps prevent wear and tear on the valve train components. Additionally, the nut enhances the reliability of the engine, making it a valuable component in heavy-duty truck applications ⁴.

Installation and Maintenance

Proper installation of the Tappet Top Stop Lock Nut is important for its effective operation. It should be tightened to the manufacturer’s specified torque settings to ensure a secure fit without over-tightening, which could damage the tappet or other components. Regular maintenance checks are recommended to ensure that the nut remains securely in place and that there are no signs of wear or damage. Troubleshooting common issues, such as valve train noise, may involve checking the tightness of the lock nut and ensuring that it has not loosened over time ⁵.

Manufacturer - Cummins

Cummins Inc. is a globally recognized leader in the design, manufacture, and distribution of diesel and natural gas engines. With a strong reputation in the automotive industry, Cummins is committed to producing high-quality engine components. The company’s extensive range of products, including the Tappet Top Stop Lock Nut, reflects its dedication to innovation, quality, and customer satisfaction ⁶.

Conclusion

The Tappet Top Stop Lock Nut (Part #3055743) by Cummins is a testament to the company’s commitment to providing reliable and high-performance engine components. Its role in the valve train system, combined with its durable design and the reputation of its manufacturer, makes it a valuable component in the maintenance and operation of heavy-duty truck engines.