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5.9L 24V Cummins Short Blocks (2003–2007)

If you are rebuilding a 2003-2007 Dodge Ram or replacing a worn common rail Cummins engine, our 5.9L 24V Cummins short blocks for 2003-2007 trucks provide a strong and reliable bottom-end foundation. A short block is an excellent option when your cylinder head and upper engine components are still usable, but the lower end needs attention due to wear, damage, or a full rebuild. These 5.9 Cummins short blocks are ideal for stock replacement builds, tow rigs, work trucks, and performance setups that require a durable base.

Compared to a full long block or complete crate engine, a 5.9 Cummins short block offers a more cost-effective solution when you want to reuse select components and maintain flexibility in your build. This allows you to control costs while still upgrading key areas of your engine. Whether you're rebuilding a daily driver, restoring a work truck, or building a strong common rail platform for towing or performance use, CPP Diesel helps simplify the process with dependable Cummins engine options and real diesel experience.

Shop our 2003-2007 5.9L 24V Cummins short blocks below and choose the configuration that fits your project. If you need a more complete option, compare our 5.9L 24V Cummins long blocks. For full replacement solutions across multiple generations, explore our reman Cummins engine options to find the right setup for your truck and budget.

What Comes In A 5.9 Cummins Short Block?

A 5.9 Cummins short block includes the engine block, crankshaft, pistons, and bearings, professionally assembled and ready for installation. This gives you a strong bottom-end foundation while allowing you to reuse or upgrade your cylinder head, valvetrain, and external components. For many builds, this approach offers the right balance between cost, customization, and long-term durability.

Short Block Vs Long Block Cummins Engines

A short block includes the lower portion of the engine—block, crankshaft, pistons, and bearings—while a long block includes the cylinder head and valvetrain components as well. If your top-end components are still in good condition, a short block is often the most cost-effective solution. If you want a more complete engine assembly with fewer parts to transfer, a long block or complete crate engine may be the better option depending on your build goals.

Need help choosing the right Cummins short block for your build? Call CPP Diesel for expert guidance before you buy.

5.9 Cummins Short Block FAQ

What is a 5.9L 24V Cummins short block?
A 5.9L 24V Cummins short block includes the engine block with crankshaft, pistons, and bearings, without the cylinder head. It provides a solid foundation for rebuilds and replacement engine builds.

Is this short block correct for 2003-2007 Dodge Ram trucks?
Yes. These short blocks are designed for 2003-2007 5.9L common rail Cummins engines, making them a strong fit for third-generation Dodge Ram applications.

Why choose a short block instead of a long block?
A short block is typically chosen when your cylinder head and upper engine components are still in good condition. It allows for a more budget-friendly rebuild while still providing a reliable lower-end foundation.

Is a common rail short block good for towing or performance builds?
Yes. A properly built 5.9L common rail short block is an excellent base for stock replacement, towing applications, work trucks, and performance builds requiring durability.

Do you test short blocks before shipping?
Yes. Each short block is inspected for cleanliness, clearances, torque specs, and overall build quality before shipping to ensure reliability.