Industrial Injection PDM-59STKLB-3 5.9L Cummins Stock Long Block Engine 2003-2004

The Industrial Injection PDM-59STKLB-3 is a remanufactured stock long block assembly built for the 2003–2004 Dodge Ram equipped with the 5.9L Cummins common rail diesel engine. Engineered to restore factory power levels and reliability, this long block is built to OEM specifications using quality components—making it an ideal solution for high-mileage or worn-out engines in need of a complete bottom-end and top-end rebuild.

Industrial Injection is a trusted name in diesel performance and remanufacturing, with decades of experience building and refining Cummins powerplants. Their stock long blocks are assembled with precision-machined components, properly clearanced bearings, and thoroughly inspected cylinder heads—delivering a drop-in replacement that meets or exceeds original factory standards.

Key Features:

• Stock long block assembly for the 5.9L Cummins common rail diesel
• Fits 2003–2004 Dodge Ram applications
• Built to OEM specifications for reliable, factory-level performance
• Remanufactured by Industrial Injection, a leading diesel engine specialist
• Includes fully assembled long block (short block + cylinder head)
• Core charge of $2,000 applies — a rebuildable core must be returned upon receipt

This long block is designed as a direct replacement, simplifying the installation process for experienced diesel technicians. As with all Industrial Injection long block assemblies, a $2,000 refundable core charge is required at the time of purchase and will be refunded upon return of a qualifying rebuildable core.