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Description
AirDog II-5G A7SPBD338 DF-100-5G Air/Fuel Separation SystemThe AirDog II 5G A7SPBD338 DF 100 5G Air Fuel Separation System from GAP is the next generation in fuel delivery systems for your 1989 1993 Dodge 5. 9L 12V Diesel (Stock To Moderate). The wiring harness is now 12 gauge from the battery all the way to the internal connections in the motor. A Metri Pack 280 connector replaces the Deutch 2 pin connector which allows more current flow without creating excessive heat. All other connectors in the harness
The AirDog II-5G A7SPBD338 DF-100-5G Air/Fuel Separation System from GAP is the next generation in fuel delivery systems for your 1989-1993 Dodge 5.9L 12V Diesel (Stock To Moderate).
The wiring harness is now 12-gauge from the battery all the way to the internal connections in the motor. A Metri-Pack 280 connector replaces the Deutch 2-pin connector which allows more current flow without creating excessive heat. All other connectors in the harness are weather packs to keep the elements out. This system has the same 4G motor technology that has proven itself to be a reliable, quiet operating system. It also retains the "Demand Flow" of the older AirDog II variants. Demand Flow means whatever fuel the injection system does not use gets recirculated back through the filter base.
The AirDog II-5G is the first diesel Fuel Air Separation System to include an integrated diaphragm fuel pressure regulator. This regulator allows for more fuel pressure adjustability, offers better fuel flow at pressure, and can be boost compensated! In addition, all 5G systems come with improved wiring harnesses and connectors.
The AirDog II-5G offers protection and performance like no other lift pump. Their patented air separation, along with a water separator, and fuel filter makes sure your expensive injection system components get all the clean fuel they can handle. The AirDog II-5G also overcomes loss of power due to driving in higher altitudes with a factory fuel pump. This system improves engine performance by eliminating spray pattern disruption due to air entering the system. This allows the engine to keep its designed injection timing which allows a more complete burn of the fuel entering the cylinder. This increases overall engine efficiency across the power and torque range.
The wiring harness is now 12-gauge from the battery all the way to the internal connections in the motor. A Metri-Pack 280 connector replaces the Deutch 2-pin connector which allows more current flow without creating excessive heat. All other connectors in the harness are weather packs to keep the elements out. This system has the same 4G motor technology that has proven itself to be a reliable, quiet operating system. It also retains the "Demand Flow" of the older AirDog II variants. Demand Flow means whatever fuel the injection system does not use gets recirculated back through the filter base.
The AirDog II-5G is the first diesel Fuel Air Separation System to include an integrated diaphragm fuel pressure regulator. This regulator allows for more fuel pressure adjustability, offers better fuel flow at pressure, and can be boost compensated! In addition, all 5G systems come with improved wiring harnesses and connectors.
The AirDog II-5G offers protection and performance like no other lift pump. Their patented air separation, along with a water separator, and fuel filter makes sure your expensive injection system components get all the clean fuel they can handle. The AirDog II-5G also overcomes loss of power due to driving in higher altitudes with a factory fuel pump. This system improves engine performance by eliminating spray pattern disruption due to air entering the system. This allows the engine to keep its designed injection timing which allows a more complete burn of the fuel entering the cylinder. This increases overall engine efficiency across the power and torque range.
Features:
- 100 GPH Fuel Pump
- Offers Better Fuel Flow At Pressure
- Maintains Reliable & Quiet 4G Motor Technology
- Low Flow Return For Reduced Aeration
- Offers Increased Engine Efficiency
- Larger Ports Over Previous Pumps
- Includes Wiring, Plumbing, & Installation Hardware
- Demand Flow Design
- Lifetime Limited Warranty
- 12-Gauge Wiring Harness
- Integrated Diaphragm Fuel Pressure Regulator
WARRANTY INFO:
Limited Lifetime
Disclaimer: GAP is in no way affiliated with Cummins or any of its subsidiaries or related companies, and that Cummins has not authorized the sale of any of GAP's parts, and has not tested or approved any of GAP’s parts for use in genuine Cummins brand products.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Great fit, true to size, comfortable, professional, good quality
Color: Dark Grey, Size: X-Large
I’m 6’4, 220lb with an athletic build. Great fit, good around the chest and sleeves and shirt are perfect length. Great shirt for work or a night out. Well made and comfortable! I’ll be ordering a few more colors without a doubt.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Nice shirts with inconsistent fit
Color: Light Grey, Size: X-Large
I received the black version of this as a gift which I really liked and I got a lot of compliments for it. So I purchased this light gray but it does not fit as well. It's a little tighter and a little shorter. I was hoping they all would be the same fit but apparently they are not.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Great Shirts…I’ve Bought most Colors.
Color: White-red, Size: Large
I’ve bought a dozen of these shirts in different colors in the last 10-12 months. Very nice material and launders and/or dry cleans great. Outstanding price for a nice looking shirt!
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Reviewed in the United States on May 28, 2026
★★★★★ 5
This shirt brings mens dress shirts to a new level. My husband wears it with slacks or jeans.
Color: Army Green, Size: X-Large
Kudos to whoever designed and manufactured this shirt! It is stylish with interesting details. It can be gently washed in your washing machine and dried on a warm setting. The fabric is next level, feels like cotton with a tech stiffness to it. It has a dull sheen. I'd say "give it a shot". I ordered one and it was sooo handsome that I got my husband some other colors. Bonus.....The cut is generous enough to make a bit of a paunch disappear.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Well-made shirt.
Color: Light Grey, Size: Small
Material doesn’t feel light or flimsy. Very soft and fits well. Not too loose or too tight. Plan to purchase another one down the road.
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Reviewed in the United States on May 9, 2026