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Description
AirDog A4SPBC191 FP-150-4G Air/Fuel Separation SystemThe AirDog A4SPBC191 FP 150 4G Air Fuel Separation System from GAP is the perfect upgrade for the fuel system on your 2015 2016 GM 6. 6L Duramax LML (Moderate To Extreme). The AirDog functions by drawing fuel from the fuel tank which contains entrained air vapor, particle contaminants, and unidentified amounts of moisture. When the fuel passes through the water separator, water and large particle impurities are taken out of it. The fuel then reaches
The AirDog A4SPBC191 FP-150-4G Air/Fuel Separation System from GAP is the perfect upgrade for the fuel system on your 2015-2016 GM 6.6L Duramax LML (Moderate To Extreme).
The AirDog functions by drawing fuel from the fuel tank which contains entrained air/vapor, particle contaminants, and unidentified amounts of moisture. When the fuel passes through the water separator, water and large particle impurities are taken out of it. The fuel then reaches the fuel pump with the remaining entrained pollutants, air/vapor, and water. While the fuel passes through the fuel filter under positive pressure, the leftover particle pollutants are retained. The entrained air and vapor are separated and added back to the tank. The right pressures are then used to supply the clean fuel to your engine. Each kit includes all the plumbing, hardware, wiring, mounting brackets, and other installation-related parts needed.
If you update the components and performance of your diesel engine, it needs better fuel flow. Higher fuel flows cause more agitation in the fuel tank and vacuum at the fuel pump. This decreases the performance of the engine by allowing more air and moisture to enter the fuel system. Air and vapor can also cause galling, pitting, and tip erosion in injector barrel/plunger assemblies. The AirDog removes air from the fuel to prevent long-term damage to your injectors and improper operation of your engine. The AirDog also provides the fuel pressures and flows required for your diesel engine to run as efficiently as possible.
This system was created by AirDog to remove water, pollutants, vapor, and entrained air from diesel fuel. This lift pump and filter system is necessary to provide a steady flow of clean fuel to your engine.
The 4G motor, which AirDog has been utilizing for years with great success, is included in this AirDog system, along with their customary non-adjustable/high flow return base. AirDog is able to offer a reasonably priced system with a tried-and-true and reliable motor design by maintaining this basic architecture.
The AirDog functions by drawing fuel from the fuel tank which contains entrained air/vapor, particle contaminants, and unidentified amounts of moisture. When the fuel passes through the water separator, water and large particle impurities are taken out of it. The fuel then reaches the fuel pump with the remaining entrained pollutants, air/vapor, and water. While the fuel passes through the fuel filter under positive pressure, the leftover particle pollutants are retained. The entrained air and vapor are separated and added back to the tank. The right pressures are then used to supply the clean fuel to your engine. Each kit includes all the plumbing, hardware, wiring, mounting brackets, and other installation-related parts needed.
If you update the components and performance of your diesel engine, it needs better fuel flow. Higher fuel flows cause more agitation in the fuel tank and vacuum at the fuel pump. This decreases the performance of the engine by allowing more air and moisture to enter the fuel system. Air and vapor can also cause galling, pitting, and tip erosion in injector barrel/plunger assemblies. The AirDog removes air from the fuel to prevent long-term damage to your injectors and improper operation of your engine. The AirDog also provides the fuel pressures and flows required for your diesel engine to run as efficiently as possible.
This system was created by AirDog to remove water, pollutants, vapor, and entrained air from diesel fuel. This lift pump and filter system is necessary to provide a steady flow of clean fuel to your engine.
The 4G motor, which AirDog has been utilizing for years with great success, is included in this AirDog system, along with their customary non-adjustable/high flow return base. AirDog is able to offer a reasonably priced system with a tried-and-true and reliable motor design by maintaining this basic architecture.
Features:
- Eliminates Air & Water From Fuel
- Includes Wiring, Plumbing, & Installation Hardware
- Lifetime Limited Warranty
- 150 GPH Fuel Pump
- Optimized Engine Performance
- Increases Overall Engine Efficiency
- Incorporates Tried-And-True 4G Motor Design
- Faster Throttle Response
WARRANTY INFO:
Limited Lifetime
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
4.7 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Great dog toy.
Color: Mixed, Size: Medium
Great dog toy, it's one of her favorite toys.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
★★★★★ 4
Smaller than pictured
Color: Mixed, Size: Medium, Color: Mixed, Size: Medium
It’s a lot smaller than pictured and I have the same dog type as was depicted in the one of the pictures. The dog like it so I guess that’s good. I will not be playing tug of war with him using this. I like my fingers thank you very much. I would say it durable. He destroys most toys in minutes. He did destroy the squeaky part in about 10 minutes so bonus points for that.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2025
★★★★★ 3
Not for aggressive chewers. But still a good product.
Color: Mixed, Size: Medium
Cute toy, my dog was obsessed with it, but within like 1-3 days I couldn’t put any treats in the places for it as my aggressive chewer dog destroyed it within a day or so haha. But she still loves it and just chews on it for fun. Doesn’t last long with aggressive chewers if you’re looking to put treats and such in it like I did. But again that part may be broken and she still chews on it so not too bad!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 5
She sat still and licked peanut butter. I clipped nails!! "FINALLY" 😃😄
Color: Mixed, Size: Medium, Color: Mixed, Size: Medium
I have a Belgian Malanois who WILL NOT let me clip her nails. I got this a little bit of peanut butter in the places you can put it under the bottom in little compartments like which she sits and trys to lick it all out of every little cranny and while doing that, BOOM nails clipped and filed. Great product and worked exactly as I needed. Highly suggest if ya need the fur baby to sit still while you brush alor clip whatever you need, it works and if it works for my Dog a Belgian Malanois-look them up-it will def work for yours!!!! Oh yeah another great thing is it's nearly indestructible. I say nearly because she will prove me wrong if I say it is completely indestructible. Good buy. I suggest it for sure.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 6, 2025
★★★★★ 1
Plastic cut my dog
Color: Mixed, Size: Medium
If your pet chews a lot do not buy. My dog chewed the plastic and cut her nose when grabbing the toy because of how sharp it became.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
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