3697433
O-Ring Seal
Cummins®

AVAILABLE

Cummins®

3 are currently available

Ships within 2-4 business days

$4.79 $5.70

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 3697433 O-Ring Seal is a component designed to ensure the integrity of seals within commercial truck systems. Its role is significant in maintaining the efficiency and reliability of truck operations. This seal is integral to preventing leaks and ensuring that systems operate under the correct pressure conditions, which is vital for the overall performance and longevity of commercial vehicles 1.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket consisting of a toroidal piece of elastomer with a round cross-section. It functions by creating a seal between two or more parts, typically in dynamic or static applications. The seal operates by deforming slightly when compressed between two surfaces, which creates a barrier that prevents the passage of fluids or gases. This mechanism is widely used in various mechanical systems due to its simplicity and effectiveness 2.

Purpose of the 3697433 O-Ring Seal in Truck Operation

This Cummins part plays a specific role in the operation of commercial trucks by ensuring the sealing integrity in various systems such as fuel lines, hydraulic systems, and engine components. It is applied in areas where fluid or gas containment is necessary to maintain system pressure and prevent leaks. The seal supports these systems by providing a reliable barrier that can withstand the operational stresses and environmental conditions encountered in truck applications 3.

Key Features of the 3697433 O-Ring Seal

The 3697433 O-Ring Seal is characterized by several key features that enhance its suitability for truck applications. It is composed of durable materials that offer resistance to a range of chemicals and operating temperatures. The design of the seal ensures it can accommodate slight misalignments between mating surfaces, which is common in dynamic applications. Additionally, its compatibility with various components ensures it can be used in a wide range of systems without causing adverse reactions or failures 4.

Benefits of Using the 3697433 O-Ring Seal

Utilizing this Cummins part offers several advantages in truck operations. It contributes to improved system efficiency by maintaining seal integrity, which prevents leaks and ensures that systems operate at optimal pressure. This results in reduced maintenance needs, as the seal is designed to withstand the rigors of truck operation with minimal wear. Furthermore, the reliability of the seal enhances the overall performance and safety of the truck, providing peace of mind to operators and maintenance personnel.

Installation and Maintenance Guidelines

Proper installation of the 3697433 O-Ring Seal is crucial for its effectiveness. This involves preparing the mating surfaces to ensure they are clean, dry, and free from imperfections that could compromise the seal. Torque specifications should be followed to ensure the seal is compressed adequately without being overtightened, which could lead to damage. Regular maintenance checks are recommended to ensure the seal remains in good condition, with replacements performed as necessary to maintain system integrity.

Troubleshooting Common Issues

Common issues with O-Ring Seals, such as leaks or failures, can often be traced back to installation errors, environmental factors, or wear and tear. Diagnostic steps include inspecting the seal for signs of damage, checking for proper installation, and assessing the condition of mating surfaces. Corrective actions may involve replacing the seal, ensuring correct installation practices are followed, or addressing environmental factors that could be contributing to seal failure.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial vehicle industry. The company’s product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of commercial applications. This background underscores the quality and reliability of the 3697433 O-Ring Seal, reflecting Cummins’ commitment to excellence in every component it produces.

Compatibility with Cummins Engines

The O-Ring Seal part number 3697433, manufactured by Cummins, is designed to fit a variety of Cummins engines. This seal is crucial for ensuring that the engine operates efficiently by preventing leaks and maintaining pressure integrity. Below is a detailed breakdown of the engines with which this O-Ring Seal is compatible.

ISG11 and ISG12 Series

  • ISG11 CM2880 G108
  • ISG12 CM2880 G107
  • ISG12 G CMOH6.0 G111

These engines are part of the ISG series and are equipped with the CM2880 engine model. The O-Ring Seal 3697433 fits seamlessly in these engines, providing a reliable seal that is essential for maintaining optimal engine performance.

QSG12 Series

  • QSG12 CM2880 G112
  • QSG12/X12 CM2350 G110

The QSG12 series engines, including both the CM2880 and CM2350 models, are designed for specific applications that require robust sealing solutions. The O-Ring Seal 3697433 is engineered to meet these demands, ensuring that the engines function without leaks.

X11 and X12 Series

  • X11 CM2670 X126B
  • X12 CM2670 X121B
  • X12N CMMDG1 X143B
  • X13 CM2670 X122B

These engines are part of the X series and are equipped with the CM2670 engine model. The O-Ring Seal 3697433 is compatible with these engines, providing a critical seal that helps maintain engine efficiency and longevity.

Z14 Series

  • Z14 CM2670 Z103B

The Z14 series engine, equipped with the CM2670 model, also benefits from the O-Ring Seal 3697433. This seal is designed to fit the specific requirements of this engine, ensuring that it operates smoothly and efficiently.

Each of these engines relies on the O-Ring Seal 3697433 to maintain its integrity and performance. This seal is a vital component that ensures the engine operates without leaks, thereby extending its lifespan and reliability.

Role of Part 3697433 O-Ring Seal in Engine Systems

The part 3697433 O-Ring Seal is integral to maintaining the integrity and efficiency of various engine components. Its application ensures that fluids and gases are contained within their designated pathways, preventing leaks and ensuring optimal performance.

Integration with Hardware Kit

In a hardware kit, the O-Ring Seal is often used to create a tight seal between mating surfaces. This is particularly important in components that experience high pressure or temperature variations. The seal prevents fluid leakage, which could lead to system inefficiencies or damage.

Application in Housing Components

When installed in housing components, the O-Ring Seal ensures that the internal environment remains isolated from external contaminants. This is vital for components that house sensitive parts, such as sensors or bearings, where even minor contaminants can cause significant issues.

Thermostat Assembly

In thermostat assemblies, the O-Ring Seal plays a key role in maintaining the integrity of the coolant flow. It ensures that coolant does not leak out, which could result in inconsistent engine temperatures and potential overheating.

Upper Engine Gasket Kit

Within an upper engine gasket kit, the O-Ring Seal is used to ensure a proper seal between the cylinder head and the engine block. This prevents coolant or oil from mixing with the combustion chamber, which could lead to engine damage and reduced performance.

Water Bypass Connection

For the water bypass connection, the O-Ring Seal is essential in directing coolant flow efficiently. It ensures that coolant circulates correctly through the engine, maintaining consistent temperatures and preventing hotspots.

Water Bypass Tube

In the water bypass tube, the O-Ring Seal helps to maintain the structural integrity of the tube. It prevents coolant leaks, which could disrupt the engine’s cooling system and lead to overheating.

Overall, the part 3697433 O-Ring Seal is a fundamental component in ensuring the reliable operation of various engine systems by providing necessary seals and preventing fluid leaks.

Conclusion

The Cummins 3697433 O-Ring Seal is a critical component in maintaining the efficiency and reliability of commercial truck systems. Its role in preventing leaks and ensuring optimal pressure conditions is essential for the overall performance and longevity of commercial vehicles. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are key to maximizing the benefits of this seal.


  1. Dixon, John. Modern Diesel Technology Preventive Maintenance and Inspection. Delmar Cengage Learning, 2010.

  2. Sheng, Gang. Vehicle Noise, Vibration and Sound Quality. SAE International, 2012.

  3. Bonnick, Allan, and Derek Newbold. A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd, 2011.

  4. Minaker, Bruce P. Fundamentals of Vehicle Dynamics and Modelling. John Wiley Sons, 2019.

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SPECIFICATIONS

Package Dimensions
4.8 x 4.8 x 0.4 in
Weight
0.002 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.