3251693
Valve Spring
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$17.95 $21.36

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3251693 Valve Spring is a component designed to ensure the reliable operation of valves in heavy-duty truck engines. Its role is significant in maintaining the efficiency and performance of the engine, contributing to the overall functionality of the vehicle.

Basic Concepts of Valve Springs

Valve springs are mechanical components found in internal combustion engines. Their primary function is to keep the valves in contact with their respective valve seats when the engine is not in the valve opening phase. This ensures that the valves close properly after each combustion cycle, which is vital for the engine’s performance. Valve springs contribute to the engine’s efficiency by maintaining consistent valve timing and preventing valve float at high engine speeds 1.

Role of the 3251693 Valve Spring in Truck Operation

This part plays a specific role in the engine’s valve train system. It is responsible for controlling the opening and closing of the engine’s valves. By applying consistent pressure, it ensures that the valves return to their closed position after being opened by the camshaft. This action is crucial for maintaining the engine’s performance, as it allows for proper air and fuel mixture intake and exhaust gas expulsion 2.

Key Features of the 3251693 Valve Spring

This Cummins part is engineered with specific design and construction features to enhance its performance and durability. It is typically made from high-quality materials that offer resistance to fatigue and corrosion. The spring rate is calibrated to provide the necessary pressure for the valve operation under various engine conditions. Additionally, it may incorporate unique attributes such as a dual spring design or specific coil configurations to improve its functionality 3.

Benefits of Using the 3251693 Valve Spring

Utilizing this part offers several advantages. It contributes to improved engine efficiency by ensuring precise valve operation. The reliability of the spring enhances the engine’s longevity, reducing the likelihood of valve-related failures. Moreover, its design may allow for performance enhancements, providing a more responsive and powerful engine operation.

Installation and Maintenance

Proper installation of this part is crucial for its effective operation. It may require specific procedures or tools to ensure it is correctly positioned and tensioned. Regular maintenance, such as inspection for wear or damage, is recommended to ensure the longevity and optimal performance of the valve spring. Following manufacturer guidelines for maintenance intervals can help prevent issues related to valve spring failure.

Troubleshooting Common Issues

Common problems associated with valve springs include valve float or spring failure. These issues can lead to decreased engine performance or damage. Troubleshooting steps may involve inspecting the spring for signs of wear, ensuring proper installation, and checking for any obstructions in the valve train system. Addressing these issues promptly can help maintain the engine’s efficiency and reliability.

Performance Enhancements

This part can contribute to performance enhancements in heavy-duty trucks. By ensuring consistent valve operation, it may allow for improvements in horsepower, torque, and overall engine responsiveness. Its design may also support higher engine speeds without compromising valve control, which is beneficial for performance-oriented applications.

Compatibility and Application

This part is designed for specific engines and truck models. It is important to verify compatibility with the engine series or other applications to ensure proper fit and function. Understanding the intended use and application of the valve spring can help in selecting the appropriate component for engine maintenance or upgrade purposes.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the heavy-duty truck industry, known for its commitment to quality and innovation in engine components. With a diverse product range, Cummins has built a reputation for delivering reliable and high-performance engine parts. The company’s history and product offerings reflect its dedication to advancing engine technology and meeting the demands of the heavy-duty truck market.

Valve Spring (Part 3251693) Compatibility with Cummins Engines

The Valve Spring (Part 3251693) manufactured by Cummins is a critical component in several engine configurations. This part is integral to the operation of the engine’s valve train system, ensuring that the valves open and close at the correct times and with the appropriate force.

N14 Mechanical Engines

In the N14 Mechanical engines, the Valve Spring (Part 3251693) plays a pivotal role in maintaining the integrity of the valve operation. This engine is known for its robust design and reliability, often used in heavy-duty applications. The valve spring ensures that the valves return to their closed position swiftly and with the necessary force, which is crucial for the engine’s efficiency and longevity.

Group Compatibility

The Valve Spring (Part 3251693) is designed to fit seamlessly within the valve train assemblies of various Cummins engine groups. Its compatibility extends to engines that share similar valve train architectures, ensuring that the spring can perform its function effectively across different models. This part is engineered to withstand the high stresses and temperatures encountered in engine operation, making it a reliable choice for maintaining engine performance.

Engine Integration

When integrating the Valve Spring (Part 3251693) into Cummins engines, it is essential to ensure that the spring’s specifications match the engine’s requirements. This includes considerations such as the spring’s free length, installed height, and the force required to compress the spring to its installed height. Proper installation and maintenance of the valve spring are critical to prevent engine damage and ensure optimal performance.

Understanding the Role of Part 3251693 Valve Spring in Engine Systems

The part 3251693 Valve Spring is an integral component in the operation of various engine systems, particularly in the context of performance-oriented setups. Its primary function is to ensure the proper seating and operation of the valve train within the cylinder head assembly.

Interaction with the Cylinder Head

In the cylinder head, the valve spring works in conjunction with the valve keepers and valve stem to maintain consistent valve seating. This is essential for the efficient opening and closing of the intake and exhaust valves, which directly impacts the engine’s breathing capabilities. The spring’s design allows it to withstand the high temperatures and pressures within the cylinder head, ensuring reliable performance even under strenuous conditions.

Contribution to Performance Parts

When integrated into EBM: Performance Parts, the 3251693 Valve Spring enhances the overall efficiency of the valve train. These performance parts are often designed to handle higher RPMs and greater stress, making the valve spring’s role even more significant. The spring’s ability to maintain valve seat pressure under such conditions is vital for maximizing engine output and ensuring longevity.

Relationship with the Crosshead

Although the crosshead is primarily associated with connecting rod applications, its indirect relationship with the valve train cannot be overlooked. A well-maintained valve spring ensures that the engine runs smoothly, which in turn reduces unnecessary wear on connecting components like the crosshead. This symbiotic relationship underscores the importance of each component in maintaining engine harmony.

Impact on Head and Cylinder Components

The efficiency of the valve spring directly influences the head and cylinder components. A properly functioning valve spring prevents valve float, which can lead to catastrophic engine failure. It ensures that the valves open and close at the correct times, maintaining the precise air-fuel mixture necessary for combustion. This, in turn, protects the cylinder walls and pistons from damage, contributing to the engine’s overall durability.

Integration with Other Performance Parts

In high-performance engines, the 3251693 Valve Spring is often paired with other upgraded parts to achieve optimal performance. These may include performance camshafts, valve springs with higher spring rates, and reinforced valve keepers. The interplay between these components and the valve spring is essential for achieving the desired engine performance metrics, such as increased horsepower and torque.

Conclusion

The 3251693 Valve Spring is a key player in the intricate dance of engine components, particularly in performance-oriented applications. Its role in maintaining valve train integrity and efficiency is indispensable for achieving peak engine performance and reliability.


  1. Drozdziel, Pawel. The Vehicle Diesel Engine Startup Process Operational and Environmental Aspects. Routledge, 2023.

  2. Duffy, Owen C, and Gus Wright. Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems. Jones Bartlett Learning, 2016.

  3. Cummins Inc. Operation and Maintenance Manual for ISX12 G CM2180 EJ. Bulletin Number 4310683.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.6 x 2.5 x 3.6 in
Weight
0.35 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.