212858
Tube Nut
Cummins®

Introduction

The Tube Nut 212858, manufactured by Cummins, is a component designed for use in various fluid systems within commercial trucks. This part plays a role in maintaining the integrity of these systems by securing connections and ensuring fluid transfer is efficient and leak-free.

Basic Concepts of Tube Nuts

Tube nuts are fittings used to connect tubes or pipes in fluid systems. They create a secure, sealed connection that allows fluids to pass through while preventing leaks. Tube nuts are commonly constructed from materials such as brass, stainless steel, or aluminum, each offering different properties like corrosion resistance, durability, and ease of installation ¹.

Purpose of the 212858 Tube Nut in Truck Operations

The 212858 Tube Nut is specifically designed to serve in the operation of commercial trucks. It is typically employed in systems such as fuel, hydraulic, or coolant systems. By securing connections in these systems, the tube nut ensures that fluids are transferred efficiently and without leakage, which is vital for the proper functioning of the truck ².

Key Features of the 212858 Tube Nut

The 212858 Tube Nut is characterized by its robust design and construction. It is made from high-quality materials that offer excellent durability and performance. The material composition ensures resistance to corrosion and wear, which are common issues in the demanding environment of commercial truck operations. The tube nut features a specific thread size and type, designed to match the tubing it connects to, ensuring a secure fit.

Benefits of Using the 212858 Tube Nut

Utilizing the 212858 Tube Nut offers several advantages. Its design and material composition contribute to enhanced performance and reliability. The ease of installation further adds to its appeal, allowing for quick and secure connections. These benefits collectively contribute to the overall efficiency and safety of truck operations by ensuring that fluid systems operate without interruption or leakage ³.

Installation and Usage Guidelines

Proper installation of the 212858 Tube Nut involves several steps to ensure a secure and leak-free connection. Begin by ensuring the tubing is clean and free of debris. Thread the tube nut onto the tubing, ensuring it is aligned correctly. Tighten the tube nut to the manufacturer’s specified torque to secure the connection without over-tightening, which could damage the fitting or tubing.

Troubleshooting Common Issues

Common problems associated with tube nuts include leaks and corrosion. To address leaks, first, ensure the tube nut is properly tightened. If leaks persist, inspect the tubing and tube nut for damage or misalignment. Corrosion can be mitigated by selecting tube nuts made from corrosion-resistant materials and regularly inspecting and maintaining the fittings.

Maintenance Tips

Regular maintenance of tube nuts is crucial for ensuring longevity and performance. Inspect tube nuts regularly for signs of wear, corrosion, or leaks. Cleaning the fittings and surrounding areas can prevent buildup that may lead to issues. Replacement should be considered if there are signs of significant wear or damage to ensure the continued efficiency and safety of the truck’s fluid systems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established itself as a trusted provider of diesel and natural gas engines, as well as related technologies. The company is committed to quality and innovation, continually advancing its product offerings to meet the evolving needs of the commercial truck industry.

Tube Nut 212858 Compatibility with Cummins Engines

The Tube Nut part number 212858, manufactured by Cummins, is a critical component in various Cummins engine models. This part is designed to secure tubes and pipes within the engine’s framework, ensuring stability and integrity in the engine’s operation. Here is a breakdown of its compatibility across different Cummins engines:

4B3.9, 6B5.9, 6C8.3, V28, V903

The Tube Nut 212858 is compatible with the older generation engines such as the 4B3.9, 6B5.9, 6C8.3, V28, and V903. These engines, known for their robust design, benefit from the Tube Nut’s ability to maintain the alignment and securement of critical tubes and pipes.

K19, K38, K50

In the K-series engines, including the K19, K38, and K50, the Tube Nut 212858 plays a vital role in maintaining the structural integrity of the engine. These engines, often used in heavy-duty applications, require reliable fastening solutions to ensure longevity and performance.

L10 MECHANICAL, M11 MECHANICAL, N14 MECHANICAL, NH/NT 855

For the mechanically driven engines such as the L10 MECHANICAL, M11 MECHANICAL, N14 MECHANICAL, and NH/NT 855, the Tube Nut 212858 is essential in securing the tubes and pipes that are integral to the mechanical systems of these engines.

M11 CELECT, M11 CELECT PLUS

The M11 CELECT and M11 CELECT PLUS engines, which incorporate advanced electronic controls, also rely on the Tube Nut 212858. This part ensures that the tubes and pipes are properly secured, supporting the engine’s electronic and mechanical components.

N14 CELECT, N14 CELECT PLUS

Similar to the M11 series, the N14 CELECT and N14 CELECT PLUS engines benefit from the Tube Nut 212858. These engines, known for their high performance and efficiency, require precise fastening to maintain optimal operation.

QSN14 CM876 N103

The QSN14 CM876 N103 engine, a variant of the N14 series, also utilizes the Tube Nut 212858. This part is crucial in ensuring the tubes and pipes are securely fastened, contributing to the engine’s overall reliability and performance.

Role of Part 212858 Tube Nut in Engine Systems

Part 212858 Tube Nut is an essential component in various engine systems, ensuring secure connections and efficient operation of multiple subsystems. Its applications span across fuel, oil, and coolant systems, among others. Here’s how it integrates with the provided components:

Fuel System Integration

1. Fuel Pump Mounting and Fuel Supply Plumbing: The Tube Nut secures connections in the fuel pump mounting and fuel supply plumbing, ensuring a leak-free pathway for fuel delivery to the engine.

2. Fuel Check Valve and Fuel Tubing Drain: It plays a role in maintaining the integrity of connections at the fuel check valve and fuel tubing drain, preventing fuel leaks and ensuring consistent fuel pressure.

3. Fuel Base and Fuel Filter Plumbing: Secure connections at the fuel base and fuel filter plumbing are vital for maintaining fuel system efficiency and preventing contamination.

Oil System Integration

1. Oil Cooler Water Plumbing: The Tube Nut is used in the oil cooler water plumbing to ensure that the cooling system operates efficiently without leaks, maintaining optimal oil temperature.

Engine Control and Sensor Plumbing

1. Boost Sensor Plumbing and EBM Plumbing: It secures connections in boost sensor plumbing and EBM (Electronic Boost Module) plumbing, ensuring accurate sensor readings and reliable boost control.

Cooling System Integration

1. Radiator Connection and Coolant Level Switch: The Tube Nut ensures secure connections at the radiator and coolant level switch, maintaining the integrity of the cooling system and accurate coolant level monitoring.

Miscellaneous System Integration

1. Bleed Tube and Block Cylinder: In systems involving bleed tubes and block cylinders, the Tube Nut ensures that air or fluid pathways are securely connected, preventing leaks and ensuring system performance.

2. Throttle Lever and Relay Switch: It secures connections at the throttle lever and relay switch, ensuring reliable operation of these critical components.

3. PDC Kit and Torque Limiter Valve Module: The Tube Nut is utilized in the PDC (Power Distribution Center) kit and torque limiter valve module to maintain secure electrical and fluid connections.

4. Mounting Supply Tube and Assembly Step Control: It ensures that mounting supply tubes and assembly step control mechanisms are firmly connected, contributing to the overall structural integrity and functionality of the engine system.

Conclusion

The 212858 Tube Nut by Cummins is a versatile and essential component that ensures the securement of tubes and pipes across a wide range of Cummins engines, from older models to the latest electronic and mechanical variants. Its robust design, ease of installation, and compatibility with various engine systems make it a critical part for maintaining the efficiency and safety of commercial truck operations.