3348867
Tube Fitting Elbow
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$409.95 $487.84

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 Tube Fitting Elbow 3348867, manufactured by Cummins, is a specialized component designed for use in the fluid systems of commercial trucks. Cummins, a well-established name in the automotive industry, is known for its commitment to quality and innovation. Tube fittings, including elbows, play a role in fluid systems by facilitating the connection and direction of fluid flow within various components of a vehicle 1.

Basic Concepts of Tube Fitting Elbows

Tube fitting elbows are components used in fluid systems to change the direction of fluid flow. They are integral to the efficient operation of hydraulic, pneumatic, and fuel systems. Tube fittings come in various types, including straight, elbow, tee, and reducer fittings, each serving specific functions within a system. Elbow fittings, in particular, are designed to redirect fluid flow at a 90-degree angle, allowing for flexible routing within confined spaces 2.

Purpose of the 3348867 Tube Fitting Elbow in Truck Operations

The 3348867 Tube Fitting Elbow is designed to play a specific role in the fluid systems of commercial trucks. It aids in directing fluid flow at a precise angle, which is crucial for maintaining the integrity and efficiency of the system. By providing a reliable connection point, it ensures that fluid can be routed effectively around the vehicle’s engine and other components, contributing to the overall performance and reliability of the truck 3.

Key Features of the 3348867 Tube Fitting Elbow

The 3348867 Tube Fitting Elbow is characterized by several key features that enhance its functionality and durability. These include its material composition, which is typically made from high-quality metals to withstand the pressures and temperatures of commercial truck fluid systems. The connection type is designed for secure attachment to tubing, ensuring a leak-free seal. Additionally, the fitting has a specified pressure rating that indicates its capacity to handle the system’s operational pressures. The design specifications of the 3348867 ensure it fits seamlessly into the truck’s fluid system, contributing to its overall performance 4.

Benefits of Using the 3348867 Tube Fitting Elbow

Utilizing the 3348867 Tube Fitting Elbow offers several advantages. It improves fluid flow management by providing a reliable and efficient means of changing the direction of fluid flow. This contributes to enhanced system reliability, as the fitting is designed to withstand the rigors of commercial truck operations. Additionally, the fitting is designed for ease of installation, allowing for quick and secure connections that minimize downtime during maintenance or repair procedures. When compared to other types of fittings, the 3348867 stands out for its combination of durability, performance, and ease of use.

Installation and Usage Guidelines

Proper installation of the 3348867 Tube Fitting Elbow is crucial for ensuring a secure and leak-free connection. The installation process involves cleaning the tubing to ensure a smooth surface for connection, followed by the careful attachment of the fitting. It is important to follow manufacturer guidelines for torque specifications to avoid over-tightening, which can damage the fitting, or under-tightening, which can lead to leaks. The fitting is recommended for use in systems where a 90-degree change in fluid flow direction is required, and it is compatible with a range of tubing materials and sizes.

Troubleshooting and Maintenance

Common issues with tube fitting elbows can include leaks, corrosion, and blockages. Regular inspection and maintenance can help identify these issues early, allowing for timely repairs or replacements. Maintenance tips for the 3348867 Tube Fitting Elbow include checking for signs of wear or damage, ensuring connections are tight, and replacing the fitting if it shows signs of significant wear or if leaks are detected. Proper maintenance ensures the longevity and optimal performance of the fitting within the truck’s fluid system.

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, innovation, and reliability in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicle operations. Cummins’ commitment to quality is evident in its rigorous testing and quality control processes, ensuring that its components, including the 3348867 Tube Fitting Elbow, meet the highest standards of performance and durability.

Cummins Tube Fitting Elbow 3348867 in Engine Applications

The Cummins Tube Fitting Elbow part number 3348867 is a component in various engine systems, ensuring efficient fluid transfer and maintaining system integrity. This part is designed to connect different sections of the engine’s tubing, facilitating the smooth flow of fluids such as coolant, oil, and other essential liquids.

K50 Engine Group

In the K50 engine series, the Tube Fitting Elbow 3348867 is integral to the engine’s cooling and lubrication systems. It is typically used in the following applications:

  • Cooling System: The elbow connects the coolant lines, ensuring that coolant flows efficiently through the engine block and radiator. This helps maintain optimal engine temperature and prevents overheating.
  • Lubrication System: It is also used in the oil lines, connecting the oil filter to the engine block and ensuring that oil is circulated properly to lubricate moving parts and reduce wear.

The precision engineering of the Tube Fitting Elbow 3348867 ensures a secure and leak-proof connection, which is vital for the performance and longevity of the K50 engines.

Role of Part 3348867 Tube Fitting Elbow in Turbocharger Arrangement

In the turbocharger arrangement, the part 3348867 Tube Fitting Elbow is instrumental in facilitating the fluid dynamics essential for optimal turbocharger performance. This component is strategically positioned to connect various sections of the turbocharger system, ensuring a seamless flow of exhaust gases and coolant.

Integration with Turbocharger Components

  1. Exhaust Manifold Connection: The Tube Fitting Elbow interfaces with the exhaust manifold, redirecting the flow of exhaust gases from the engine cylinders. This redirection is vital for channeling the gases towards the turbine wheel of the turbocharger.

  2. Intercooler System: In turbocharged engines equipped with an intercooler, the Tube Fitting Elbow plays a role in the coolant circulation system. It connects the intercooler to the engine’s cooling system, allowing for efficient heat exchange and maintaining the integrity of the air-fuel mixture.

  3. Charge Air Cooler (CAC): The Tube Fitting Elbow is also utilized in the charge air cooler system. It ensures that the compressed air from the turbocharger is effectively cooled before entering the engine’s combustion chambers, enhancing engine efficiency and power output.

  4. Wastegate Actuation: In systems where a wastegate is employed to regulate turbocharger boost, the Tube Fitting Elbow may be part of the actuation mechanism. It helps in managing the flow of exhaust gases bypassing the turbine, thus controlling the turbocharger’s speed and preventing over-boosting.

  5. Boost Pressure Sensor Integration: The Tube Fitting Elbow can be found in the boost pressure sensor circuit. It aids in accurately measuring the pressure of the air entering the engine, providing essential data for the engine control unit (ECU) to adjust fuel delivery and ignition timing.

  6. Exhaust Gas Recirculation (EGR) System: In engines with an EGR system, the Tube Fitting Elbow is used to route exhaust gases back into the intake tract. This process helps in reducing nitrogen oxides (NOx) emissions, contributing to a cleaner and more environmentally friendly operation.

By understanding the role of the Tube Fitting Elbow in these various components, engineers and mechanics can better appreciate its significance in maintaining the turbocharger arrangement’s efficiency and reliability.

Conclusion

The 3348867 Tube Fitting Elbow by Cummins is a critical component in the fluid systems of commercial trucks, ensuring efficient fluid transfer and maintaining system integrity. Its role in various engine and turbocharger applications highlights its importance in the performance and reliability of these systems. Proper installation, maintenance, and understanding of its functions are essential for maximizing the benefits of this Cummins part.


  1. Reif, K. (2014). Diesel Engine Management Systems and Components. Springer.

  2. Mollenhauer, K., & Tschoeke, H. (2010). Handbook of Diesel Engines. Springer.

  3. Hilgers, M. (2023). Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature.

  4. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.8 x 6.2 x 4.0 in
Weight
0.224 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.