3rd gen 5.9 2003-2004

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...

Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 60% over fuel injectors!   The nozzles are enlarged using abrasive flow honing technology and are hydraulically flow matched to less than 1%. Each nozzle...

Have your feed tubes been in service for some time?  Might there be a chance that the extended hot cranking you've been experiencing is due to leakage at the feed tube/injector interface? Then we highly recommend that the feed tubes be replaced whenever the...

Core Return: Exergy requires that all cores be returned within 30 days from original purchase of product. If you fail to return the core(s) within 30 days, you will be charged in full for the core(s) ($150 per injector). Cores that have missing and/or...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power? Well, look no further than our 100HP fuel injectors!   These are an upgrade for close to stock trucks that have minimal supporting mods.  The nozzles are...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power? Well, look no further than our 50HP fuel injectors!   These are an upgrade for close to stock trucks that have minimal supporting mods.  The nozzles are...

OEM Cummins oil pump for 2003+ engines. 

OEM Cummins Oil Cooler 

Interstate Mcbee Front Main Seal with Wear Sleeve

Interstate Mcbee 5.9 Cummins Intake Horn Gasket. SOLD IN SETS OF 2  

The perfect drop-in replacement. Fully divided pulse manifold made from high-silicon ductile iron is designed to withstand extreme temperatures and vibration. Designed using modern technology to ensure optimal internal geometry. Precision slip joints allow the manifold to expand and contract, which reduces cyclic thermal...

Replacement manifolds with larger T4 and T6 flanges for changing out the stock turbo. The turbo stays in same stock location. Fully divided pulse manifold made from high-silicon ductile iron is designed to withstand extreme temperatures and vibration. Great for performance trucks wanting to...

When producing more power from a Dodge RAM 2500/3500 with a Cummins engine, more fuel is required. To supply the injection pump with additional fuel, upgraded lift pumps are added, often with additional filters and water separators to ensure the fuel is always clean....

[shortdesc] ATTENTION! Not for sale on licensed California vehicles. The Venom line was developed to replace our FlowMax line with improved max flow rate and better flow control. This pump provides enough fuel flow to support up to 900hp. Unlike typical ball and seat...

If you are looking for an easy economical turbo upgrade, or, replace your tired turbo and aging exhaust manifold, then BD's Iron Horn series for your 3rd generation 5.9L Cummins offers a clean, drop-in installation. Featuring BorgWarner SX-E cartridges and 2-piece pulse exhaust manifold,...