5273750
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,099.95 $1,308.94

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

Introduction

The Cummins 5273750 Injector is a component designed for use in commercial trucks, specifically engineered to enhance the performance and efficiency of diesel engines. This part plays a significant role in the operation of these vehicles by ensuring precise fuel delivery and efficient combustion. Its design and functionality contribute to the overall reliability and effectiveness of the truck’s engine system.

Basic Concepts of Fuel Injectors

Fuel injectors are components within an engine that deliver fuel into the combustion chamber at high pressure. They operate by atomizing fuel into a fine mist, which mixes with air to create a combustible mixture. This process is vital for the efficient burning of fuel, which powers the engine. The precision and timing of fuel delivery by injectors directly impact engine performance, fuel efficiency, and emissions 1.

Purpose of the Cummins 5273750 Injector

The Cummins 5273750 Injector is designed to play a role in the fuel delivery system of a truck by providing precise and efficient fuel atomization. This injector ensures that fuel is delivered in the correct quantity and at the optimal time, contributing to efficient combustion. By enhancing the combustion process, it helps in achieving better engine performance and fuel efficiency.

Key Features

The Cummins 5273750 Injector incorporates several key features that enhance its performance. Its design includes advanced nozzle technology that ensures fine fuel atomization. The materials used in its construction are selected for durability and resistance to the high pressures and temperatures within the engine. Additionally, technological advancements such as electronic control systems may be integrated to optimize fuel delivery based on engine conditions 2.

Benefits of Using the Cummins 5273750 Injector

Utilizing the Cummins 5273750 Injector offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is used more effectively during combustion. This part also enhances engine performance by providing consistent and precise fuel delivery. Furthermore, it aids in reducing emissions by promoting cleaner and more complete combustion of fuel.

Installation and Integration

Proper installation of the Cummins 5273750 Injector is crucial for its effective operation. This process involves ensuring that the injector is correctly aligned and secured within the engine system. It may require specific preparations, such as cleaning the fuel system and checking for any obstructions. Careful integration is necessary to maintain the engine’s balance and efficiency.

Maintenance and Care

To ensure the optimal performance of the Cummins 5273750 Injector, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, cleaning to remove any deposits that may affect its operation, and adhering to replacement schedules as specified by the manufacturer. Proper care extends the lifespan of the injector and maintains engine efficiency.

Troubleshooting Common Issues

Common issues with the Cummins 5273750 Injector may include poor fuel atomization, leaks, or irregular engine performance. Troubleshooting these problems involves checking the injector for blockages, ensuring it is properly seated, and verifying that the electronic control systems are functioning correctly. Addressing these issues promptly helps in maintaining the engine’s performance and efficiency.

Performance Enhancements

For those looking to further improve the performance of the Cummins 5273750 Injector, there are potential upgrades or modifications available. These may include optimizing the electronic control system for more precise fuel delivery or upgrading to nozzles that offer even finer fuel atomization. Such enhancements can lead to increased engine efficiency and performance.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to innovation, quality, and customer satisfaction. The company’s extensive product offerings and technological advancements have made it a preferred choice for commercial vehicle operators worldwide.

Cummins Injector Part 5273750 Compatibility

The Cummins injector part number 5273750 is a component in the fuel injection system of several Cummins diesel engines. This part is designed to ensure precise fuel delivery, which is essential for the optimal performance and efficiency of the engines.

QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117

The injector part 5273750 is compatible with the QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 engines. These engines are part of the Cummins QSB series, known for their robust design and reliability in various applications, including industrial, marine, and agricultural uses.

In these engines, the injector plays a pivotal role in the combustion process. It is responsible for delivering fuel into the combustion chamber at the correct time and in the right quantity, ensuring that the engine operates smoothly and efficiently. The precision of this process is crucial for maintaining the engine’s performance and longevity.

The compatibility of the injector part 5273750 with these engines ensures that users can maintain or upgrade their fuel injection systems with a part that is specifically designed to meet the demands of these engines. This compatibility is a result of rigorous testing and design processes that ensure the injector can handle the specific pressures, temperatures, and operational conditions of the QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 engines.

Role of Part 5273750 Injector in Engine Systems

The 5273750 injector is a component in the fuel delivery system of an engine, working in concert with various other parts to ensure optimal performance and efficiency.

When the camshaft rotates, it actuates the fuel injection system at precise intervals. The 5273750 injector receives signals from the engine control unit (ECU), which is synchronized with the camshaft position sensor. This ensures that fuel is injected into the combustion chamber at the exact moment it is needed, maximizing fuel efficiency and power output.

In performance-oriented engine systems, the 5273750 injector plays a significant role. High-performance camshafts are often designed to alter the timing and duration of valve events, which in turn affects the air-fuel mixture. The 5273750 injector must be capable of delivering the correct amount of fuel to match the increased airflow facilitated by the performance camshaft. This balance is vital for achieving the desired power gains without compromising engine reliability.

Additionally, the injector works in harmony with other performance parts such as upgraded turbos or superchargers. These components increase the volume of air entering the engine, necessitating a corresponding increase in fuel delivery. The 5273750 injector is engineered to meet these demands, ensuring that the air-fuel ratio remains within optimal parameters for both power and efficiency.

Conclusion

The Cummins 5273750 Injector is a pivotal element in the fuel system, interacting closely with the camshaft and various performance parts to deliver precise fuel metering. This ensures that the engine operates efficiently and effectively, whether in standard or high-performance configurations.


  1. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

  2. Klyde, Michael, and Kirk VanGelder. Advanced Automotive Electricity and Electronics. Jones Bartlett Learning, 2010.

RELATED PARTS

SPECIFICATIONS

Notes
Recon Equivalent 5273750 NX
Package Dimensions
10.0 x 4.3 x 2.5 in
Weight
1.3 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.