3005963
Injector Cup
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$224.95 $267.69

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 Injector Cup, part number 3005963, is a critical component in the operation of heavy-duty trucks. This part is essential for the efficient functioning of the fuel injection system, ensuring reliable engine performance. Its role in diesel engines is significant, contributing to the overall functionality and durability of the truck’s power unit.

Basic Concepts and Functionality

Injector cups are specialized components within diesel engines that house the fuel injector nozzle. They maintain the integrity of the fuel injection system by providing a secure and sealed environment for the injector to operate. The injector cup ensures that fuel is delivered precisely and efficiently into the combustion chamber, which is vital for optimal engine performance. It also manages the high pressures and temperatures associated with diesel fuel injection 1.

Purpose of the Injector Cup

The Cummins Injector Cup serves a specific purpose in the operation of a truck’s diesel engine. It supports the fuel injection process by securing the injector nozzle within the cylinder head. This securement is crucial for maintaining the precise fuel spray pattern required for efficient combustion. Additionally, the injector cup helps in sealing the injector to prevent fuel leakage, which is important for maintaining engine performance and fuel efficiency 2.

Key Features

The Cummins Injector Cup (Part #3005963) is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that can withstand the extreme conditions within a diesel engine. The design of the injector cup includes precise machining to ensure a perfect fit with the injector and cylinder head. Additionally, it may feature unique characteristics such as enhanced sealing mechanisms to improve its functionality under demanding conditions 3.

Benefits

Utilizing the Cummins Injector Cup offers several benefits. It contributes to improved engine efficiency by ensuring a consistent and precise fuel injection process. The durable construction of the injector cup enhances the longevity of the fuel injection system, reducing the need for frequent replacements. Furthermore, its reliable performance under demanding conditions supports the overall durability and efficiency of the truck’s engine 4.

Installation and Maintenance

Proper installation of the Cummins Injector Cup is important for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and proper sealing. Routine maintenance of the injector cup involves regular inspections for signs of wear or damage. Cleaning the cup and ensuring that all sealing surfaces are free from contaminants can help maintain its performance and longevity.

Troubleshooting Common Issues

Common issues with injector cups may include leaks, improper sealing, or damage to the cup itself. Symptoms of a faulty injector cup can include decreased engine performance, irregular fuel injection, or engine misfires. Troubleshooting steps may involve inspecting the cup for signs of damage, ensuring proper installation, and replacing the cup if necessary to restore engine performance.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for producing high-quality components for heavy-duty trucks. With a history of innovation and commitment to excellence, Cummins has established itself as a trusted provider of diesel engine technology. The company’s dedication to producing reliable and efficient components is evident in its range of products, including the Cummins Injector Cup.

Cummins Injector Cup 3005963 Compatibility

The Cummins Injector Cup 3005963 is a critical component designed to fit seamlessly within a range of Cummins engines, ensuring optimal performance and reliability. This part is engineered to work with the following engine models:

K19 and K38 Engines

The Injector Cup 3005963 is specifically designed to fit the K19 and K38 engines. These engines are known for their robust construction and efficiency, making them suitable for a variety of heavy-duty applications. The injector cup plays a vital role in the fuel injection system, ensuring that fuel is delivered precisely to the combustion chamber, which is essential for maintaining engine performance and fuel efficiency.

K50 Engine

Similarly, the Injector Cup 3005963 is also compatible with the K50 engine. This engine is part of Cummins’ lineup of high-performance diesel engines, often utilized in demanding industrial and transportation sectors. The injector cup’s precision fit and durability are critical in ensuring that the K50 engine operates at peak efficiency, providing the necessary power and reliability for its intended use.

Grouping and Compatibility

The injector cup 3005963 is engineered to provide a consistent fit across the K19, K38, and K50 engines, highlighting its versatility and importance in maintaining the integrity of the fuel injection system. This compatibility ensures that technicians and operators can rely on this part for maintenance and repairs, knowing it will perform effectively across these engine models.

Understanding the Role of Part 3005963 Injector Cup in Engine Systems

The Injector Cup 3005963 is a specialized component designed to enhance the performance and reliability of fuel injection systems within various engine setups. Its primary function is to provide a secure and precise seating for the injector within the cylinder head, ensuring optimal fuel delivery and combustion efficiency.

Integration with Key Engine Components

Camshaft and Valvetrain

In engines equipped with a camshaft-driven valvetrain, the Injector Cup 3005963 works in harmony with the camshaft to maintain synchronization between fuel injection and valve operation. This coordination is essential for achieving peak performance, as it ensures that fuel is delivered at the precise moment when the intake valve opens, maximizing air-fuel mixture efficiency.

Injector Performance

The Injector Cup directly influences the performance of the fuel injector by providing a stable and leak-proof environment. This stability allows the injector to operate with minimal resistance, resulting in more consistent fuel spray patterns and improved atomization. Enhanced atomization leads to better fuel-air mixing, which is vital for combustion efficiency and overall engine performance.

Cylinder Head and Combustion Chamber

Within the cylinder head, the Injector Cup 3005963 plays a significant role in maintaining the integrity of the combustion chamber. By ensuring a tight seal around the injector, it prevents fuel leakage into the cylinder, which could otherwise lead to inefficient combustion and increased emissions. Additionally, the cup helps in managing thermal expansion, reducing the risk of injector failure due to excessive heat.

Engine Performance Parts

When combined with high-performance parts, the Injector Cup 3005963 can significantly elevate engine output. For instance, when used with upgraded injectors or a performance camshaft, the cup ensures that the enhanced fuel delivery matches the increased air intake, leading to a more balanced and powerful engine performance. This synergy between components is key to unlocking the full potential of performance-oriented engine builds.

Conclusion

In summary, the Injector Cup 3005963 is an integral part of the fuel injection system, contributing to the overall efficiency and performance of the engine. Its role in ensuring precise fuel delivery, maintaining combustion chamber integrity, and complementing performance parts makes it a valuable component in any engine system.


  1. Gifford, Clive. Cars Encyclopedia. DK Publishing, 2014.

  2. Hilgers, Michael. Chassis and Axles. Springer Vieweg, 2023.

  3. Garrett, TK, Newton, K, Steeds, W. The Motor Vehicle. Reed Educational and Professional Publishing Ltd, 2001.

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

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
8.2 x 1.0 x 1.0 in
Weight
0.088 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.