5321225
Oil Filler Tube
Cummins®

Introduction

The Cummins 5321225 Oil Filler Tube is a critical component in heavy-duty truck engines, specifically designed for the lubrication system. It facilitates the addition of oil to the engine, ensuring optimal performance and longevity by maintaining the correct oil level ¹.

Purpose and Function

This part provides a pathway for oil to be added to the engine, positioned for easy access during maintenance. It ensures the engine receives the necessary lubrication to reduce friction, cool the engine, and remove contaminants ².

Key Features

Constructed from high-quality metal, the Cummins 5321225 Oil Filler Tube offers resistance to corrosion and wear. It features precise threading for a secure fit with the engine’s oil cap and may include a built-in gasket or O-ring to prevent leaks and ensure a tight seal ³.

Benefits

The design of this Cummins part allows for ease of use during oil changes, reducing spills and making the process more efficient. Its secure fitting and durable construction contribute to maintaining optimal engine lubrication and support its longevity under demanding conditions.

Installation Process

Installing the Cummins 5321225 Oil Filler Tube requires careful attention to ensure a correct fit. The process involves cleaning the area around the oil cap, threading the new tube onto the oil cap, and tightening it to the manufacturer’s specifications using a torque wrench to avoid over-tightening or under-tightening.

Maintenance and Care

Regular maintenance of the Oil Filler Tube is crucial for its longevity and reliable performance. This includes periodic cleaning, inspections for wear or damage, and replacing the tube if any issues such as leaks or a loose fit are detected to prevent potential engine damage.

Troubleshooting Common Issues

Common issues with Oil Filler Tubes include leaks and fitting difficulties. Leaks may be due to worn gaskets or incorrect tightening, while fitting issues can arise from threading problems or obstructions. Inspecting and replacing worn gaskets, ensuring correct tightening, and cleaning the threading can resolve these issues.

Manufacturer Information - Cummins

Cummins Inc. is renowned for its high-quality engine and component manufacturing, with a focus on innovation, quality, and performance. The Cummins 5321225 Oil Filler Tube exemplifies the company’s commitment to producing reliable and durable automotive parts for heavy-duty truck engines.

Oil Filler Tube Compatibility with Cummins Engines

The Cummins 5321225 Oil Filler Tube is compatible with several Cummins engine models, including the ISC CM850, ISC8.3 CM2250, ISL CM2150, ISL G CM2180, ISL9 CM2150 SN, and ISL9 CM2250. It ensures proper oil level maintenance, contributing to the engines’ performance and reliability.

Role of 5321225 Oil Filler Tube in Engine Systems

The 5321225 Oil Filler Tube is integral to the oil fill system, serving as a conduit for introducing lubricant into the engine. It is strategically positioned for easy access during maintenance, ensuring a seamless flow of oil into the engine and minimizing the risk of spills. The tube’s design, including features like a gasket or O-ring, maintains a secure seal to prevent oil leaks, contributing to the engine’s reliability and performance.

Conclusion

The Cummins 5321225 Oil Filler Tube is a vital component for maintaining the lubrication system in heavy-duty truck engines. Its design and features ensure easy maintenance, secure fitting, and durable performance, contributing to the engine’s overall reliability and efficiency.