3071491
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,149.95 $1,368.44

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 3071491 Injector is a critical component in the fuel delivery system of commercial trucks, designed to ensure efficient engine operation. This part is essential for maintaining engine performance, fuel efficiency, and compliance with emissions standards 1.

Basic Concepts of Fuel Injectors

Fuel injectors, such as the Cummins 3071491, are vital for delivering fuel into an engine’s combustion chamber. They atomize fuel into a fine mist, which mixes with air before combustion. This process is essential for efficient fuel burning, impacting engine performance, fuel economy, and emissions 2.

Purpose of the Cummins 3071491 Injector

The Cummins 3071491 Injector is designed to inject fuel into the engine’s cylinders at the precise moment and in the exact quantity required for optimal combustion. This ensures efficient fuel delivery, contributing to desired power output, fuel economy, and reduced emissions 3.

Key Features

This Cummins part incorporates advanced technology for precise fuel delivery. Its construction materials are chosen for durability and resistance to high pressures and temperatures. Features like its nozzle design and electronic control enhance its efficiency and reliability.

Benefits of Using the Cummins 3071491 Injector

The Cummins 3071491 Injector offers improved fuel efficiency, enhanced engine performance, and reliability. Its precise fuel delivery ensures effective fuel use during combustion, contributing to optimal power output and engine efficiency.

Installation and Integration

Installing the Cummins 3071491 Injector requires careful consideration of the truck’s fuel system. It may involve modifications or adjustments for compatibility and optimal performance. Proper installation is crucial for the injector’s correct function and contribution to engine efficiency.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3071491 Injector, including inspection routines and cleaning procedures, is important for its continued performance. Addressing common issues promptly helps prevent malfunctions and extends the injector’s lifespan.

Performance Impact

The Cummins 3071491 Injector significantly impacts a truck’s overall performance. It ensures efficient fuel use, contributes to power output through precise fuel delivery, and aids in reducing emissions by promoting complete combustion.

Cummins Corporation Overview

Cummins Inc. is renowned in the commercial truck industry for its innovative and high-quality products. The company’s commitment to quality and performance is reflected in its product line, including the 3071491 Injector.

Role of the 3071491 Injector in Engine Systems

The 3071491 injector is a vital component in the fuel delivery system, responsible for the precise delivery of fuel into the combustion chamber. It works in conjunction with other engine components to ensure optimal performance.

Interaction with the Fuel Rail

The injector is mounted on the fuel rail, which distributes fuel to each injector. The fuel rail maintains consistent fuel pressure, essential for the injector’s correct function. The 3071491 injector receives pressurized fuel from the rail and atomizes it for combustion.

Coordination with the Engine Control Unit (ECU)

The 3071491 injector operates under the control of the ECU. The ECU monitors engine parameters like speed, load, and temperature, sending signals to the injector to open and close at specific intervals for precise fuel delivery.

Synergy with the Air Intake System

Efficient combustion requires the fuel delivered by the 3071491 injector to mix with the correct amount of air. The air intake system ensures a steady airflow into the engine. The injector times its fuel delivery to coincide with the intake of air, promoting a balanced air-fuel mixture.

Integration with the Exhaust System

Post-combustion, the exhaust system, including the exhaust manifold, catalytic converter, and muffler, comes into play. The 3071491 injector’s role in delivering the right fuel quantity contributes to the efficiency of the exhaust system, minimizing unburnt fuel and reducing the workload on the catalytic converter.

Relationship with Performance Parts

In engines with performance parts like cold air intakes, performance exhaust systems, or turbochargers, the 3071491 injector adapts its fuel delivery to complement these modifications, ensuring efficient engine operation and desired power output.

Conclusion

The Cummins 3071491 Injector is a key component in the engine’s fuel delivery system. Its interaction with the fuel rail, ECU, air intake system, exhaust system, and performance parts ensures the engine runs smoothly and efficiently, contributing to overall vehicle performance and efficiency.


  1. Sully, F. K. (1998). Motor Vehicle Mechanics Textbook, Fifth Edition. Heinemann Professional Publishing.

  2. Gillespie, T. D. (2021). Fundamentals of Vehicle Dynamics. SAE International.

  3. Isermann, R. (2017). Combustion Engine Diagnosis. Springer Vieweg.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Comments
Recon equivalent 3071491 PX
Package Dimensions
9.3 x 2.8 x 2.75 in
Weight
2.2 lbs
* 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.