4988136
O-Ring Adapter
Cummins®

Introduction

The Cummins 4988136 O-Ring Adapter is a critical component in commercial truck maintenance and operation, designed to enhance the efficiency and reliability of the vehicle’s engine or fuel system. Understanding its purpose and significance is essential for maintaining the performance and longevity of commercial trucks.

Basic Concepts of O-Ring Adapters

O-ring adapters are mechanical components used to create seals in various systems, preventing fluid or gas leakage. They are commonly employed in hydraulic, pneumatic, and fuel systems where maintaining a secure seal is necessary for system integrity and performance ¹.

Purpose of the Cummins 4988136 O-Ring Adapter

The Cummins 4988136 O-Ring Adapter ensures a reliable seal within the engine or fuel system, connecting different components securely and preventing leaks that could lead to system inefficiency or failure. This adapter is integral to maintaining the pressure and flow necessary for optimal engine performance.

Key Features

This Cummins part is characterized by several design elements that enhance its suitability for its intended use. These include its material composition, which is typically resistant to the chemicals and pressures found in engine systems, its size, which is tailored to fit specific grooves or shafts, and its compatibility with other components, ensuring a seamless integration into the truck’s system.

Benefits

Using the Cummins 4988136 O-Ring Adapter offers several advantages. It provides improved seal integrity, which is vital for maintaining system pressure and preventing leaks. Its resistance to wear and tear ensures longevity, reducing the need for frequent replacements. Additionally, it contributes to overall system efficiency by ensuring that fluids or gases are contained within the system, enhancing the truck’s performance.

Installation and Usage

Proper installation of the Cummins 4988136 O-Ring Adapter involves several steps to ensure it functions correctly. Preparatory steps may include cleaning the area where the adapter will be installed to remove any debris that could compromise the seal. The use of appropriate tools is recommended to avoid damaging the adapter during installation. Following the manufacturer’s guidelines for installation is important to ensure optimal performance.

Troubleshooting and Maintenance

Common issues with O-ring adapters may include leaks due to wear or improper installation. Diagnosing problems involves checking for signs of leakage and examining the adapter for physical damage. Maintenance tips to ensure longevity and optimal performance include regular inspection for wear and tear, proper installation, and replacement when necessary to prevent system failure.

Manufacturer Information - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and history of excellence make it a trusted name in the industry.

Cummins O-Ring Adapter 4988136 Compatibility

The Cummins O-Ring Adapter part number 4988136 is designed to fit a variety of Cummins engines, ensuring a secure seal in various applications. Below is a detailed breakdown of the engines this part is compatible with:

B6.7 and B153B Engines

• B6.7 CM2670 B153B
• ISB/ISD4.5 CM2150 B119

ISB/ISD Engines

• ISB/ISD6.7 CM2150 SN
• ISL9 CM2150 SN

ISBE Engines

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

ISC and ISF Engines

• ISC CM850
• ISF3.8 CM2220 AN

QSB Engines

• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

L9 Engines

• L9 CM2670 L128B

This O-Ring Adapter is engineered to provide a reliable seal in these engines, ensuring optimal performance and longevity.

Role of Part 4988136 O-Ring Adapter in Engine Systems

The 4988136 O-Ring Adapter is a vital component in various engine systems, facilitating the secure and efficient connection between different parts. Its application spans across multiple systems, ensuring optimal performance and reliability.

Fuel System Integration

In the fuel system, the 4988136 O-Ring Adapter is utilized to connect the fuel connector adapter to the fuel system accessories. This ensures a leak-free seal, maintaining the integrity of the fuel delivery system. The adapter’s precise fit prevents fuel leaks, which is vital for the engine’s consistent operation and safety.

Auxiliary Cooling System

Within the auxiliary cooling system, the 4988136 O-Ring Adapter plays a significant role in the auxiliary cooling plumbing. It connects the compressor coolant lines to the water manifold, ensuring efficient heat exchange. This connection is fundamental in maintaining the engine’s temperature within optimal ranges, enhancing overall engine performance and longevity.

Aftertreatment System Arrangement

In the aftertreatment system arrangement, the 4988136 O-Ring Adapter is employed to seal connections in the exhaust gas recirculation (EGR) and selective catalytic reduction (SCR) systems. Its role here is to ensure that exhaust gases are effectively managed and treated, complying with emission standards and reducing environmental impact.

Accessories and Plumbing

The adapter is also integral in the arrangement of engine accessories and plumbing. It ensures that all connections, whether for lubricants, coolants, or other fluids, are secure and leak-proof. This is particularly important in high-pressure systems where even a minor leak can lead to significant issues.

Repto Kit Applications

In repto kits, which are used for engine repair and maintenance, the 4988136 O-Ring Adapter is often included to facilitate the replacement or upgrade of existing components. Its use in these kits ensures that new installations are compatible with the engine’s existing systems, providing a seamless integration.

Conclusion

The 4988136 O-Ring Adapter, through its versatile applications across various engine systems, ensures that connections are secure, efficient, and reliable. Its role in maintaining the integrity of these systems is fundamental to the engine’s overall performance and durability.