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Description
Airdog II-5G 100 GPH Air Fuel Separation Lift Pump 98.5-04.5 Dodge 5.9L Cummins W/Block Mounted PumpThe 98. 5 2002 Cummins got a pretty bad rap over the years for failed VP44 injection pumps, many claiming it was one of the worst decisions ever made to mate this supposed failure prone pump on a Cummins powered Ram. Now, was it really the VP44's fault, or was the engine bay mounted lift pump really the culprit? In most cases, the failure of the low output lift pump causes the demise of the injection pump. And to make matters worse, they continued to
The 98.5-2002 Cummins got a pretty bad rap over the years for failed VP44 injection pumps, many claiming it was one of the worst decisions ever made to mate this supposed failure prone pump on a Cummins powered Ram. Now, was it really the VP44's fault, or was the engine bay mounted lift pump really the culprit? In most cases, the failure of the low output lift pump causes the demise of the injection pump. And to make matters worse, they continued to use a similar lift pump placement all the way through the 2004.5 model years before going to a higher output in-tank lift pump. So how do you really fix one of these trucks for good? Easy, ditch the block mounted/fuel filter mounted stock lift pump and upgrade to an AirDog!
The AirDog II-5G is an all in one premium fuel pump and filtration system for your 1998.5-2004.5 Cummins diesel. This system removes water, particulates, and entrained air from the diesel fuel. The entrained air that is separated from the fuel is returned to the tank through a small return fitting. The fuel is delivered to the engine at the correct pressure and flow rate to meet the demands of the engine under all operating conditions.
The AirDogII-5G DF-100 systems feature a built in adjustable diaphragm pressure regulator. All AirDog II-5G systems include a complete installation kit. The AirDog II-5G, for this particular application, is preset at 17 psi from the factory for a stock application. The regulator is adjustable up to 55 PSI so you can fine tune the system to perfectly match up to your current and future performance upgrades.
HOW IT WORKS:
The AirDog II-5G DF-100 draws fuel from the fuel tank through a 1/2” suction line to reduce the risk of cavitation at the pump. The fuel is then drawn through the water separator where 92% of water is removed per SAE spec 1488. It is then pressurized through a Gearotor pump and sent to the 2 micron fuel filter before it is sent to the injection pump. The air from aerated fuel, due to tank sloshing and engine return lines, is separated and sent back to the tank through the 3/8” return fitting. The excess fuel that the engine does not use is recirculated through the diaphragm regulator back to the suction side of the pump.IMPORTANT INFORMATION REGARDING BLOCK MOUNTED FUEL PUMP:
This specific AirDog unit is designed for trucks featuring the original
style block mounted lift pump. For those unaware, all of the
1998.5-2004.5 Cummins powered Rams came from the factory with a block
mounted lift pump. However, if it ever failed and had it replaced
previously, it very likely was retrofitted to the newer design that
actually placed the pump in the fuel tank. If you're not sure where
your pump is located, simply "bump" the key, which will engage the pump,
then listen whether the hum from the pump is coming from the engine
compartment or the fuel tank.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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★★★★★ 5
Best out of all other heat tapes!
Number of Items: 6
It is extremely weird how excited I became when trying this tape out for the first time. I can't speak for all of the blue heat tapes but this one in particular is all sorts of great to use. Thicker, easier to tear, stronger adhesive than the brown and clear heat tapes I've tried. I started with the clear because I was afraid of the other colored tapes leaving marks on my substrates. The clear tape was a good amount of thickness and easy to tear and use but the adhesion was terrible. I would wrap it around the rim of tumblers, fold it down into the inside of the tumbler and it would pop right back up. Forget using it on any fabrics, did not hold sublimation sheets down to totes, shirts, mousepads, at all. The brown tape I used had better adhesion but was thin and stretchy? floppy? Didn't know this was even an annoying thing until I moved on to this blue tape and was just blown away. Still blows me away how it was cheaper than the other two kind but is the thickest and best gripping of them all. So far it does not leave any marks on any of my items. I'm so impressed by this tape that I still NOTICE it everytime it's tearing off perfectly or holding my things together so well.
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Reviewed in the United States on August 9, 2023
★★★★★ 5
great for sublimation for shirts, tumblers and also fast delivery
Number of Items: 4
This tape works great for my sublimation tumblers and shirts; there is no glue residue that is left behind. It gives my tumblers a good seal at the top and bottom and down the side where I don't have air gaps in my picture I want to sublimate on the tumbler. It is durable, and it does not smell. It is easy to use and cut. It is a great value for the money and it was delivered the next day.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
A must have
Number of Items: 2
This tape is perfect! I’ve been using other types and nothing compares to blue tape. It holds well and is nice and wide. I’ve had no problems with it. Price is right as well.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Works great I would recommend this
Number of Items: 4
Works perfect in my heat press
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Great heat tape
Number of Items: 2
This tape is thicker and a bit more rigid which makes it easy to handle. It tears cleanly and doesn't wrinkle or fold over on itself when you're trying to place it. The adhesion is great. It is strong enough to hold sublimation paper and vinyl securely on any item, from tumblers to t-shirts, without any lifting during the press. It comes off cleanly every single time and leaves no residue or color marks behind.
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Reviewed in the United States on July 30, 2025