3058809
Air Crossover Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,049.95 $2,439.44

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 Fuel Injector Supply Tube (Part #3058809) is designed to facilitate the efficient delivery of fuel to the injectors in heavy-duty truck engines. This part plays a significant role in ensuring smooth and efficient engine operation, contributing to the overall performance and reliability of the truck 1.

Basic Concepts and Functionality

The Fuel Injector Supply Tube operates by delivering pressurized fuel from the fuel rail to the injectors. It acts as a conduit to ensure a consistent and reliable flow of fuel, which is essential for the injectors to function correctly. The tube interacts with the fuel rail, injectors, and other components within the fuel delivery system to maintain the required fuel pressure and flow rate 2.

Purpose and Role in Truck Operation

In heavy-duty truck engines, the Fuel Injector Supply Tube enhances fuel delivery efficiency by ensuring that fuel is supplied to the injectors under the correct pressure and at the right time. This is vital for optimal engine performance. By maintaining a steady fuel flow, the tube contributes to consistent engine operation, improved fuel economy, and reduced emissions 3.

Key Features

The Fuel Injector Supply Tube is characterized by several key features that enhance its performance and durability. It is typically made from high-quality materials that can withstand the high pressures and temperatures within the fuel system. The design includes precise engineering to ensure a leak-free connection to the fuel rail and injectors. Additionally, the tube may feature corrosion-resistant coatings or materials to protect against harsh environments 4.

Benefits

The advantages provided by the Fuel Injector Supply Tube include improved fuel efficiency, enhanced engine performance, and increased reliability. By ensuring a consistent and precise fuel delivery, the tube helps the engine operate more efficiently, leading to better fuel economy. Additionally, the reliable fuel supply contributes to smoother engine operation and reduced wear on other components.

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube is crucial for its effective function. It should be installed according to the manufacturer’s guidelines to ensure a secure and leak-free connection. Compatibility with various Cummins engine models and other relevant components is important to maintain the integrity of the fuel delivery system and ensure optimal performance.

Troubleshooting and Maintenance

Common issues related to the Fuel Injector Supply Tube may include leaks or blockages, which can affect fuel delivery and engine performance. Regular inspection and maintenance are recommended to identify and address these issues promptly. Maintenance tips include checking for signs of wear or damage, ensuring all connections are secure, and replacing the tube if any issues are detected.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its high-quality components for heavy-duty trucks. With a rich history and a strong reputation, Cummins is committed to producing reliable and durable parts that meet the demanding requirements of heavy-duty applications. The company’s focus on innovation and quality ensures that its components, including the Fuel Injector Supply Tube, contribute to the efficient and reliable operation of heavy-duty trucks.

Cummins Fuel Injector Supply Tube (Part 3058809) Compatibility

The Cummins Fuel Injector Supply Tube, identified by the part number 3058809, is a critical component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel pump to the fuel injectors, maintaining optimal engine performance.

K50 Engine Series

The K50 engine series, known for its robust design and high performance, integrates the 3058809 Fuel Injector Supply Tube seamlessly. This part is engineered to withstand the demanding conditions of heavy-duty applications, ensuring durability and longevity. The K50 engines, often used in industrial and commercial settings, benefit from the precise fuel delivery facilitated by this supply tube, contributing to the engine’s overall efficiency and power output.

In the K50 engine series, the 3058809 Fuel Injector Supply Tube is designed to fit precisely within the engine’s fuel system architecture. Its compatibility with the K50 engines ensures that fuel is delivered consistently and accurately, which is crucial for maintaining the engine’s performance and reliability.

Role of Part 3058809 Fuel Injector Supply Tube in Engine Systems

The Fuel Injector Supply Tube (part 3058809) is integral to the efficient operation of various engine components. It facilitates the delivery of fuel from the fuel rail to the injectors, ensuring a consistent and precise fuel supply. This part interfaces with several key components within the engine system, enhancing overall performance and reliability.

Integration with the Aftercooler

In systems equipped with an aftercooler, the Fuel Injector Supply Tube works in conjunction to maintain optimal fuel temperature. The aftercooler reduces the temperature of the air charge before it enters the combustion chamber, and the supply tube ensures that the fuel is delivered at the right temperature, contributing to better combustion efficiency.

Interaction with the Air Crossover Assembly

The Air Crossover Assembly is designed to balance the air distribution between the cylinders. The Fuel Injector Supply Tube complements this by ensuring that fuel is evenly distributed, which is essential for uniform combustion across all cylinders. This synergy helps in achieving a more stable engine operation and improved fuel economy.

Connection to the Air Crossover

The Air Crossover Connection point is where the air intake system transitions between the turbocharger and the manifold. The Fuel Injector Supply Tube must be precisely aligned with this connection to ensure that the fuel delivery is synchronized with the air intake. This alignment is vital for maintaining the air-fuel ratio, which is critical for engine performance and emissions control.

Arrangement with the Turbocharger

In turbocharged engines, the turbocharger compresses the intake air to increase power output. The Fuel Injector Supply Tube must be capable of withstanding the higher pressures generated by the turbocharger. It ensures that the fuel is delivered under pressure, matching the increased air density for optimal combustion.

Role in the Manifold

The manifold distributes the air-fuel mixture to the individual cylinders. The Fuel Injector Supply Tube plays a key role in this process by providing a consistent fuel supply to the injectors. This ensures that each cylinder receives the correct amount of fuel, which is essential for balanced engine performance and reduced emissions.

Function within the Air Intake System

The air intake system draws in ambient air and delivers it to the combustion chamber. The Fuel Injector Supply Tube interfaces with this system by ensuring that the fuel is introduced at the right point in the intake process. This timing is crucial for achieving the desired air-fuel mixture, which directly impacts engine efficiency and power output.

Conclusion

In summary, the Fuel Injector Supply Tube (part 3058809) is a vital component that ensures the precise delivery of fuel within the engine system. Its interaction with various components such as the aftercooler, air crossover assembly, turbocharger, and manifold is essential for maintaining optimal engine performance and efficiency.


  1. Department of Energy Fundamentals Handbook, Department of Energy, 2015.

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

  3. Diesel Mechanics, First Edition, Frank Sander, Global Media, 2007.

  4. Diesel Engine Care and Repair, Nigel Calder, The McGraw-Hill Companies, 2007.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
22.0 x 27.0 x 39.0 in
Weight
2 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.