ISB X-Series Piston Kit (.040)

Features:

• Fits 2003-2004 5.9L Cummins ISB engines
• .040 inch oversize piston configuration
• Drop-in matched piston set
• Includes rings wrist pins and clips
• Low friction anti-scuff skirt coating
• Ideal for machined cylinder rebuilds
• Supports dependable towing applications
• Suitable for OEM-style engine rebuilds
• Built for reliable daily performance
• Designed for consistent cylinder fitment
• Replaces previous PDM-3672.040 piston kit

Give Your Rebuild The Confidence To Go The Distance

A complete engine rebuild is your chance to restore the power and reliability that made your 2003-2004 5.9L Cummins such a trusted workhorse, and the Industrial Injection X-Series .040 Piston Kit is built to help you do exactly that. Designed for engines that have been bored .040 inch over, this matched piston set delivers the fit and consistency needed for a dependable rebuild from start to finish. Every kit includes piston rings, wrist pins, and clips, so you can spend less time hunting for components and more time assembling your engine with confidence. The low friction anti scuff skirt coating helps reduce piston wear while promoting smooth movement inside the cylinder bore under everyday driving and heavy workloads. Furthermore, this stock replacement piston kit is an excellent choice for trucks that spend their lives towing trailers, hauling equipment, or covering countless highway miles. By maintaining the factory piston design, it provides a straightforward solution for restoring dependable engine performance without unnecessary changes. If you want quality components that are built for long term durability, this Industrial Injection piston kit is ready to help your Cummins get back to work.

Built For Accurate Oversize Engine Restorations

The Industrial Injection 244112 ISB X-Series Piston Kit is engineered specifically for 2003-2004 Dodge Ram 2500 and 3500 models equipped with the 5.9L Cummins 24 valve ISB engine that has been machined for a .040 inch oversize bore. Manufactured as a matched piston set, these standard replacement pistons maintain the original piston configuration and factory compression height for OEM style engine rebuilds. Each kit includes matching piston rings, wrist pins, and retaining clips to simplify installation and provide the essential components required during assembly. Additionally, every piston features a low friction anti scuff skirt coating that is designed to reduce friction against the cylinder wall while supporting long term durability. This .040 inch oversize configuration is intended for engines that have undergone cylinder machining to restore proper bore dimensions during the rebuilding process. The matched piston design promotes consistent fitment across every cylinder, helping maintain balanced engine operation throughout the rebuild. For builders looking to restore a worn Cummins with precision engineered oversize replacement components, this X-Series piston kit delivers the quality, fitment, and reliability expected from Industrial Injection.

Fitment: 2003, 2004 Dodge RAM 2500/3500 4WD 5.9L Cummins 24V

Notes:

• Designed for 2003-2004 5.9L Cummins 24V ISB engines.
• This kit uses .040 inch oversize pistons.
• The engine block must be machined for .040 inch pistons.
• Verify cylinder bore size before ordering.
• Confirm the engine requires .040 inch oversize pistons.
• Includes pistons rings wrist pins and clips.
• Designed as a stock replacement piston set.
• Best suited for OEM style engine rebuilds.
• Confirm compression height before installation.
• Check piston to valve clearance on modified engines.
• Consult your engine builder for performance applications.
• Supersedes previous PDM-3672.040 part number.