3069766RX
Barrel and Plunger Stepped
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$209.95 $249.84
Refundable Core Charge: $22.95

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

The 3069766RX Barrel and Plunger Stepped, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems aimed at enhancing the performance and reliability of heavy-duty trucks. This Cummins part is integral to the efficient operation of fuel injection systems in trucks, contributing to overall engine performance and fuel efficiency 5.

Basic Concepts

The barrel and plunger stepped system operates on fundamental principles of fluid dynamics and mechanical engineering. The system comprises a barrel, which is a cylindrical component, and a plunger that moves within it. The interaction between these components allows for the precise control of fuel delivery to the engine. The stepped design of the plunger facilitates different injection pressures and timings, which are crucial for optimal combustion and engine efficiency 1.

Purpose and Function

This part plays a significant role in the operation of a truck’s fuel injection system. It is involved in the precise delivery of fuel into the engine’s combustion chamber. This Cummins part ensures that fuel is injected at the correct pressure and timing, which is vital for efficient combustion, reduced emissions, and enhanced engine performance. Its function directly impacts the truck’s fuel efficiency and overall operational reliability 4.

Key Features

The 3069766RX Barrel and Plunger Stepped is characterized by its robust design and the use of high-quality materials. The stepped design of the plunger allows for varied injection pressures, which can be tailored to the specific requirements of the engine. This design enhances the part’s performance by ensuring precise fuel delivery. Additionally, the materials used in its construction are chosen for their durability and resistance to wear, ensuring long-term reliability in demanding commercial truck operations 2.

Benefits

The use of the 3069766RX Barrel and Plunger Stepped offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the engine in an optimal manner. This can lead to cost savings for fleet operators over time. Additionally, the part’s design and construction enhance engine reliability, reducing the likelihood of downtime and maintenance issues. These benefits make it a valuable component for commercial truck operations 3.

Installation and Integration

Proper installation and integration of the 3069766RX Barrel and Plunger Stepped into a truck’s fuel injection system are crucial for its effective operation. This process may involve specific preparations or adjustments to ensure compatibility with the existing system. Following manufacturer guidelines for installation is recommended to ensure that the part functions as intended and contributes to the overall efficiency and reliability of the truck’s engine 5.

Troubleshooting and Maintenance

Identifying and addressing common issues with the 3069766RX Barrel and Plunger Stepped can help maintain its performance and longevity. Routine maintenance practices, such as regular inspections and cleaning, can prevent buildup and wear that may affect its operation. Troubleshooting may involve checking for proper installation, ensuring compatibility with the fuel injection system, and addressing any signs of wear or damage promptly 4.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products and strong reputation for quality and reliability. The company has a long history of innovation and excellence in engine and component manufacturing, making it a trusted name among fleet operators and truck manufacturers alike. Cummins’ commitment to quality and performance is evident in its product offerings, including the 3069766RX Barrel and Plunger Stepped 5.

Conclusion

The 3069766RX Barrel and Plunger Stepped is a critical component in the fuel injection systems of commercial trucks, manufactured by Cummins. Its design and function are integral to the efficient operation of these vehicles, contributing to improved fuel efficiency, reduced emissions, and enhanced engine performance. Proper installation, maintenance, and troubleshooting are essential to ensure the longevity and reliability of this part in demanding commercial truck operations.


  1. Matthew Harrison, Controlling Noise and Vibration in Road Vehicles, SAE International, 2004.

  2. Deanna Sclar, Auto Repair for Dummies: 2nd Edition, For Dummies, 2008.

  3. General Information, Bulletin Number 4021390, Owners Manual.

  4. Bruce Maclaurin, High Speed Off-Road Vehicles, Wiley, 2018.

  5. Sean Bennett, Modern Diesel Technology: Light Duty Diesels, Cengage Learning, 2012.

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SPECIFICATIONS

Package Dimensions
1.5 x 1.5 x 7.13 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.