3074319PX
Step With Tappet Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$319.95 $380.74
Refundable Core Charge: $229.95

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 3074319PX Step With Tappet Injector, manufactured by Cummins, is a critical component in the fuel injection systems of commercial truck engines. Cummins, a prominent name in the automotive and heavy-duty truck industry, is known for its commitment to innovation, quality, and performance 2.

Basic Concepts

Step With Tappet Injectors are essential in diesel engine fuel injection systems. They deliver precise amounts of fuel into the combustion chamber at the optimal moment, which is crucial for efficient combustion. This timing and precision affect engine power, fuel economy, and emissions. The tappet mechanism within these injectors controls the injection timing and quantity, ensuring that fuel is delivered in a manner that maximizes engine efficiency and performance 1.

Purpose and Function

This Cummins part is designed to facilitate the delivery of fuel into the engine’s combustion chamber. Its role is to inject fuel at the precise moment and in the exact quantity required for optimal combustion. This process is vital for maintaining engine performance, ensuring efficient fuel use, and minimizing emissions. The injector’s operation is synchronized with the engine’s camshaft, which activates the tappet to control the injection process.

Key Features

The 3074319PX is characterized by its robust design and the use of high-quality materials, ensuring durability and reliability in demanding engine environments. Its construction includes precision-machined components that ensure accurate fuel delivery. Additionally, the injector features a tappet mechanism that allows for fine-tuning of injection timing and quantity, contributing to its efficiency and performance.

Benefits

The use of this part in truck engines offers several benefits. It contributes to improved fuel efficiency by ensuring that fuel is delivered in a manner that maximizes combustion efficiency. This results in enhanced engine performance, with smoother operation and increased power output. Furthermore, the precise fuel delivery helps in reducing emissions, making the engine more environmentally friendly. The reliability and durability of the injector also contribute to the overall longevity and maintenance efficiency of the engine.

Troubleshooting and Maintenance

To ensure the optimal performance and longevity of the 3074319PX, regular maintenance and troubleshooting are recommended. Common issues may include clogged injectors, which can affect fuel delivery and engine performance. Regular cleaning and inspection can help prevent such issues. Additionally, monitoring the injector’s operation and performance can aid in early detection of potential problems, allowing for timely intervention and maintenance 2.

Cummins Overview

Cummins is renowned in the automotive and heavy-duty truck industry for its commitment to innovation, quality, and performance. With a rich history of developing reliable and efficient engine components, Cummins has established a strong reputation for producing parts that meet the demanding requirements of commercial and industrial applications. The company’s dedication to advancing engine technology and its focus on customer satisfaction underscore its position as a leader in the industry.

Conclusion

The 3074319PX Step With Tappet Injector is a vital component in the fuel injection systems of commercial truck engines, offering improved fuel efficiency, enhanced engine performance, and reduced emissions. Regular maintenance and troubleshooting are essential to ensure its optimal performance and longevity. Cummins’ reputation for quality and innovation further solidifies the reliability and effectiveness of this part in demanding engine environments.


  1. Reif, Konrad, ed. Diesel Engine Management Systems and Components. Springer Vieweg, 2014.

  2. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines. McGraw-Hill, 2008.

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SPECIFICATIONS

Notes
WARRANTY - 2 YR or 125K MI
Package Dimensions
8.125 x 2.375 x 2.375 in
Weight
2.15 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.