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When it comes time to replace the injectors in your Cummins, wouldn't it be nice if you could get everything you needed in one complete package? Of course it would, and that's why we've put together this complete package that will deliver you a set of Dynomite Diesel 50 horsepower injectors, injector connector tubes, connector tube removal tool, FASS Titanium lift pump, GDP Fuel Filter Housing Eliminator Bracket, and even a bottle of F-Bomb fuel additive. All you need to supply are a pair of hands and some basic hand tools to complete the job.
The original injectors found in the 2004.5-2007 Cummins are sometimes termed "505 injectors" which simply is relating to the Bosch part number of 0 986 435 505, as the last three numbers are what typically change throughout the various engine changes. These injectors in their original state were found to have a high failure rate that Bosch (and Dodge....and Cummins) deemed due to both poor fuel quality and inadequate filtration. But didn't your truck come with a fuel filter?! Overall, they did confirm that an update was necessary, thus a design change was put in place that are substantially more robust than the original units. But for those that never had updated injectors installed, or are simply looking for an increase in horsepower, a new set of 50 horsepower REMAN injectors from Dynomite Diesel will deliver not only the extra power you're looking for, but the longevity that will outlast your truck.
As we previously mentioned, though, when it does come time to install your new injectors, you'll need more components than JUST the injectors. First, you really need to replace the connector tubes, which essentially connect the injector inside of the head to the injector lines, external the head. These tube are also known to wear, like the injectors, both internally, as well as externally, where the tube seats into the side of the injector. Most leaks upon installation of new injectors are due to either improper installation of the connector tubes, or reusing the original ones. And guess what, Bosch made an update to the original connector tubes, as well. While the original style tubes are fine, the newer, stainless versions are less susceptible to abrasion and feature a larger inside diameter to aid in fuel flow. Because we always recommend replacing them with new injectors, they are included!
Next, in order to remove and install your connector tubes, you COULD use needle nose pliers like many end up doing. However, doing so can very easily cause damage to the threads. The fix? We include a connector tube tool that gets threaded onto the tube and features a knurled grip for simple threading of the tubes. It really doesn't get much easier than this.
Now, another failure point for Cummins of this generation were that of the fuel lift pump. Up until 2004.5 model years, the pump was mounted on the drivers side of the block where it was forced to "suck" fuel, as opposed to push fuel, which puts strain on the already undersized pump. Further, being located in the engine bay makes it exposed to high heat, which also causes premature failure. Dodge's fix for this issue came in 2005 model years where the pump was now located in the fuel tank and earlier model trucks were retrofitted to this design if they were diagnosed with a bad lift pump. While this in-tank version is better than the block mount, its still not adequate in terms of delivered fuel volume and still maintained the factory fuel filter canister. So what's the fix? Four simple letters: FASS. FASS stands for Fuel Air Separation System, which is a superior, lifetime guaranteed fuel pump that mounts to the frame rail, delivering a consistent 95 gallons per hour of fuel. Further, this particular model, the FASS Titanium, filters fuel at 2 microns, removes water, and even eliminates entrained air in the fuel, which is also known to cause injector failure. Overall, a FASS Titanium is the "end all" for any injector impurities or fuel delivery shortcomings of the factory system.
Because the FASS system handles all of the filtration duties, it is designed to bypass the stock fuel filter canister. Since that system is now just taking up engine bay space, we include a Glacier Diesel Power Fuel Filter Housing Eliminator Bracket that takes the place of the canister. Besides simply bolting in place of the canister, it also features provisions for remounting the fuel return lines into it, to avoid these lines merely dangling as would happen otherwise.
Lastly, a bottle of F-Bomb Diesel Fuel Additive will ensure that everything is clean, water free, and with a boost of cetane for proper combustion.
- ManufacturerDynomite Diesel
- MPNDDP-505-50-LEVEL2-TD07 | DDP-505-50-LEVEL2-TD08
- Reman Dynomite Diesel 50 Horsepower Injector Set
- Bosch New Style Connector Tubes
- Tork-Tek Connector Tube Removal Tool
- F-Bomb Diesel Fuel Additive
- FASS Titanium Fuel Lift Pump
- Glacier Diesel Power Fuel Filter Eliminator Bracket