ISB X-Series Piston Kit (.040)

Features:

• Fits 2004.5-2007 5.9L Cummins ISB engines
• .040 inch oversize piston configuration
• Matched piston set supports consistent performance
• Drop-in design simplifies engine assembly
• 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 diesel performance
• Replaces previous PDM-3673.040 piston kit

Build Your Cummins To Handle The Road Ahead

When your engine rebuild calls for a .040 inch oversize piston, cutting corners is simply not an option. The Industrial Injection X-Series .040 Piston Kit is designed to help restore your 2004.5-2007 5.9L Cummins with the quality and precision needed for dependable performance. As a complete matched piston set, it provides the consistency you want when assembling an engine that will see years of hard work. Every kit includes piston rings, wrist pins, and clips, giving you the essential components needed to complete your rebuild with confidence. The low friction anti scuff skirt coating helps minimize wear while promoting smooth piston movement inside the cylinder bore. Furthermore, this stock replacement kit is an excellent fit for trucks that spend their time towing, hauling, or serving as reliable daily transportation. If you want an engine that feels ready for the next hundred thousand miles, this piston kit delivers the durability and fitment trusted by diesel enthusiasts and professional builders alike.

Engineered For Accurate Oversize Bore Applications

The Industrial Injection 245114 ISB X-Series Piston Kit is manufactured specifically for 2004.5-2007 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. This stock replacement piston set maintains the factory piston design, making it an ideal choice for OEM style rebuilds that require an oversized piston after cylinder wear or machining. Each piston is matched as part of a complete set to promote consistent fitment and balanced engine operation across every cylinder. Additionally, the kit includes correctly matched piston rings, wrist pins, and retaining clips to simplify the installation process and eliminate the need to purchase separate hardware. The low friction anti scuff skirt coating helps reduce contact wear between the piston and cylinder wall while supporting smooth engine operation throughout the life of the rebuild. This piston kit is well suited for dependable work trucks, towing applications, and daily driven diesel pickups that demand long term reliability. Before ordering, verify that your engine block has been bored for a .040 inch oversize piston to ensure proper fitment and optimal performance.

Fitment: 2004.5, 2005, 2006, 2007 Dodge RAM 2500/3500 4WD 5.9L Cummins 24V

Notes:

• Designed for 2004.5-2007 5.9L Cummins 24V ISB engines only.
• This kit includes .040 inch oversize pistons.
• The engine block must be machined for .040 inch oversize pistons.
• Verify cylinder bore measurements before ordering.
• Includes pistons, rings, wrist pins, and clips.
• Intended as a stock replacement piston configuration.
• Confirm compression height requirements before installation.
• Check piston to valve clearance on modified engines.
• Consult an engine builder for performance applications.
• Supersedes the previous PDM-3673.040 part number.