3rd gen 5.9 2003-2004

The Strongest Billet Cummins Rods On The Market   Proven to handle over 3300hp and 4000 lb/ft of torque, we design our X-BEAM 1-inch Billet Cummins Rods with a unique "X" profile that maximizes strength while reducing weight. Made from extreme high impact tool...

  5.9 Cummins Tool Steel Wrist Pins   D&J Precision Machine manufactures our tool steel wrist pins in-house at our facility in the United States, using the highest quality materials. Leveraging years of experience in high-performance diesel technology, we have designed these wrist pins...

1/2" Taller Billet 5.9 Cummins Grid Heater Replacement   Our 1/2" Taller Billet 5.9 Cummins Grid Heater Delete is designed to provide extra clearance for injection pumps and injection lines, optimizing airflow into your engine and preventing boost leaks for your Dodge 5.9L Cummins...

 Billet 5.9 Cummins Grid Heater Replacement   Our Billet 5.9 Cummins Grid Heater Delete is designed to optimize airflow into your engine and prevent boost leaks, enhancing overall performance for your 1998.5-2007 Dodge 5.9L Cummins Diesel. Key Features: Premium Material: Made from high-quality 6061...

The Strongest Billet Cummins Rods On The Market   Our stock length X-BEAM Billet Cummins Rods are proven to withstand over 3000hp and 4000 lb/ft. We design these rods with our unique "X" profile to maximize strength while reducing weight. Made from extreme high...

Billet Turbo Drain -10AN Our Billet Turbo Drain -10AN is designed and machined in-house to provide a reliable and versatile solution for your turbo drain needs. This component utilizes an O-ring seal to ensure easy installation and a leak-free connection, allowing you to use...

Billet Direct Drive Mechanical Lift Pump Kit Say goodbye to the complications of dual electric lift pumps. Our Billet Direct Drive Mechanical Lift Pump Kit offers a streamlined solution with a robust 300GPH capacity, proven to support over 2200hp on one of our D&J...

Stage 2 5.9 CR Cummins Performance Head Our Stage 2 5.9 CR Cummins Performance Head is designed for the performance enthusiast. It includes everything in our Stage 1 Cummins Performance Head plus a D&J Stage 2 5.9 CR Billet Intake Manifold, thread-in soft plugs...

Performance Series 5.9 CR Block At D&J Precision Machine, we understand the value of providing our customers with the option to rebuild their own engines. With that in mind, we present a budget-friendly, performance focused alternative to our full in-house engine builds: the Performance...

D&J Precision Machine Dual CP3 Billet Timing Gear Housing Kit   D&J Precision Machine was the first to design and manufacture a billet timing gear housing to drive multiple CP3 pumps for the Cummins 5.9 and 6.7 Common Rail engines. Our customers were losing...

Mahle 1413H Rod Bearings (Drilled) Our Mahle 1413H rod bearings are drilled in-house to enable pressure lubrication of the wrist pins in our X-BEAM rods. These bearings are designed specifically for use with rods that feature pressure lubing capabilities. Key Features: Precision Drilled: Customized...

Waterman Direct Drive Setup   No need to buy a whole new system when you can just buy the kit! Our Billet Direct Drive setup eliminates the complication of two electric lift pumps. It is capable of 300 GPH and engine dyno-proven to support...

For use with Dual CP3 Cover

This part can be used as a direct replacement for Bosch part number 0 445 226 014, as well as Cummins part number 4929618, 3957077, and 5086869AB.  

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 30% over fuel injectors!   At 30% over stock, these are an excellent upgrade for close...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 250% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 45% over fuel injectors!   The nozzles are enlarged using abrasive flow honing technology and are...

Have your original or aftermarket injectors left you stranded? Are you cautious to use your truck for what its intended for? Want to feel confident in making that long trip across country or hauling that heavy load for work? Well, look no further than...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 150% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...