4918319 Protective Service Plug Kit

Cummins OEM-Style Protective Plug Kit for Engine Service & Repair

The Cummins 4918319 Protective Service Plug Kit is designed to protect critical engine oil passages during major engine repair and disassembly procedures.

When cylinder heads, flywheel housings, oil system components, or other major engine components are removed, exposed oil passages can allow dirt, debris, gasket material and other contaminants to enter the lubrication system.

The 4918319 plug kit provides the proper protective plugs needed to seal these passages during service, helping keep the engine clean and protecting critical internal components during the repair process.

Why You Need It

A clean engine is critical during assembly and repair.

Contamination entering an open oil passage can make its way into bearings and other lubricated components, potentially contributing to premature engine damage. Cummins service procedures specifically call for protective plugs to be installed in exposed oil passages during certain repair operations.

The 4918319 kit is designed specifically for this type of professional engine service.

Key Features

• Cummins Part Number: 4918319

• Protective plug kit for engine service and repair

• Designed to seal exposed oil passages and drillings

• Helps prevent dirt and debris from entering the lubrication system

• Reusable protective plugs

• Professional service-tool application

• Ideal for engine rebuilders, diesel technicians and machine shops

• Essential equipment for major engine disassembly and assembly procedures

Applications

The 4918319 Protective Plug Kit is used across Cummins heavy-duty engine service applications, including engines such as:

• Cummins Signature

• Cummins ISX

• Cummins ISX11.9

• Cummins ISX15

• Cummins QSX15

• Other compatible Cummins applications

Always verify the applicable engine model, CPL and serial number before ordering.

Built for Engine Builders

If you're rebuilding Cummins engines professionally, the right service tools matter.

The 4918319 kit gives you the ability to properly protect open oil passages while the engine is being serviced, helping maintain a clean assembly environment and reduce the risk of contamination.

This is the type of tool that belongs in every serious Cummins engine builder's toolbox.

Important Note

The 4918319 number is identified as a Cummins protective plug/master plug kit in service-tool references. Some sources indicate that individual plug configurations changed on later engine blocks, so application should be confirmed before purchase.

Part Number: 4918319
Product Type: Protective Plug / Service Kit
Brand: Cummins
Application: Cummins Diesel Engine Service & Repair

Professional service tool — verify application before ordering.