ENGINE PARTS

OEM Cummins oil pump for 2003+ engines. 

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...

The 5 Axis Intake Horn fits a 6.7 intake and can have a 3.5" or 4" vibrant clamp welded onto it. It does not have an oil dipstick relocation bracket. It will work in factory pickup, but will need some custom fabrication to make...

  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...

OEM Cummins Oil Cooler 

D&J 2007.5-2018 6.7 HP Reman 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 alternative to our full in-house engine builds: the D&J HP...

For use with Dual CP3 Cover

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...

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...

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...

D&J Precision Machine 9/16x6.5" Head Stud Kit   Our 9/16x6.5" head stud kit is designed and manufactured for ultimate performance and reliability. Custom made by ARP, these head studs are complemented by nuts and washers machined by us to ensure proper clearance for the...

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...

Performance Series 6.7 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 alternative to our full in-house engine builds: the Performance Series Block. Key...

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...