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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
For Your Every Summer RSVP, with Code: SUMMER15
Description
AirDog A4SPBD101 FP-100-4G Air/Fuel Separation SystemUpgrade the fuel system on your 1998. 5 2004 Dodge 5. 9L 24V Diesel (Stock To Moderate) (Without In Tank Fuel Pump) with the AirDog A4SPBD101 FP 100 4G Air Fuel Separation System from GAP. This AirDog system features their traditional nonadjustable high flow return base but integrates the 4G motor they have been utilizing for years with great success. By maintaining this base design, it enables AirDog to offer a budget friendly system, with a very
Upgrade the fuel system on your 1998.5-2004 Dodge 5.9L 24V Diesel (Stock To Moderate) (Without In-Tank Fuel Pump) with the AirDog A4SPBD101 FP-100-4G Air/Fuel Separation System from GAP.
This AirDog system features their traditional nonadjustable/ high flow return base but integrates the 4G motor they have been utilizing for years with great success. By maintaining this base design, it enables AirDog to offer a budget-friendly system, with a very proven and reliable motor design.
AirDog has engineered this system to remove water, particulates, vapor, and entrained air from diesel fuel. This lift pump and filter system is what your vehicle needs to deliver clean fuel to your engine.
The AirDog operates by pulling fuel from the fuel tank containing entrained air/vapor, particulate contaminates and unknown quantities of moisture. Water and big particle contaminants are removed from the fuel when it travels through the water separator. The fuel then reaches the fuel pump with just the entrained air/vapor and minute contaminants still present. The residual particle contaminants are captured and trapped while the fuel flows through the fuel filter under positive pressure. The entrained air and vapor are also separated and returned to the tank. The clean fuel is then delivered to your engine at the correct pressures. Each kit comes with all the needed plumbing, hardware, wiring, mounting bracket, and other components needed for installation.
When you upgrade the components and the performance of your diesel engine, it demands improved fuel flow. Higher fuel flows increase the vacuum at the fuel pump and agitation in the fuel tank. This results in additional air/vapor in the fuel system and prevents your engine from performing at its absolute best. In addition, air and vapor can cause galling and pitting of the injector barrel/plunger assembly and also tip erosion. The AirDog removes air in the fuel that could cause permanent damage to your injectors and prevents your engine from performing at the level it should. The AirDog also provides the fuel pressures and flow your diesel engine needs to reach its maximum level of performance.
This AirDog system features their traditional nonadjustable/ high flow return base but integrates the 4G motor they have been utilizing for years with great success. By maintaining this base design, it enables AirDog to offer a budget-friendly system, with a very proven and reliable motor design.
AirDog has engineered this system to remove water, particulates, vapor, and entrained air from diesel fuel. This lift pump and filter system is what your vehicle needs to deliver clean fuel to your engine.
The AirDog operates by pulling fuel from the fuel tank containing entrained air/vapor, particulate contaminates and unknown quantities of moisture. Water and big particle contaminants are removed from the fuel when it travels through the water separator. The fuel then reaches the fuel pump with just the entrained air/vapor and minute contaminants still present. The residual particle contaminants are captured and trapped while the fuel flows through the fuel filter under positive pressure. The entrained air and vapor are also separated and returned to the tank. The clean fuel is then delivered to your engine at the correct pressures. Each kit comes with all the needed plumbing, hardware, wiring, mounting bracket, and other components needed for installation.
When you upgrade the components and the performance of your diesel engine, it demands improved fuel flow. Higher fuel flows increase the vacuum at the fuel pump and agitation in the fuel tank. This results in additional air/vapor in the fuel system and prevents your engine from performing at its absolute best. In addition, air and vapor can cause galling and pitting of the injector barrel/plunger assembly and also tip erosion. The AirDog removes air in the fuel that could cause permanent damage to your injectors and prevents your engine from performing at the level it should. The AirDog also provides the fuel pressures and flow your diesel engine needs to reach its maximum level of performance.
Features:
- Improved Throttle Response
- 100 GPH Fuel Pump
- Features Reliable 4G Motor Design
- Better Engine Performance
- Lifetime Limited Warranty
- Includes Wiring, Plumbing, & Installation Hardware
- Increases Overall Engine Efficiency
- Removes Air & Water From Fuel
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
4.3 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Great
Good quality and price. Perfect size fit. Easy to install
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Great Quality Filter and Perfect Fit for My 2022 CR-V
I bought this EPAuto air filter for my 2022 Honda CR-V 1.5L, and it couldn’t have been easier to install. It fits exactly like the original — snug and secure — and the whole process took under five minutes without any tools. Just open the air box, pull out the old filter, and drop this one in.
The quality feels solid with a sturdy frame and well-made filter material. It’s not flimsy at all, and you can tell it’s built to last. After swapping it in, I noticed the engine felt a bit smoother, and there was a slight improvement in responsiveness, especially during acceleration. I’m also hoping it helps with fuel efficiency over time.
Honestly, for the price and convenience, this is a no-brainer. It’s a simple upgrade you can do yourself that helps protect your engine and saves you money on dealership replacements. Highly recommended if you drive a newer CR-V like mine!
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Reviewed in the United States on July 24, 2025
★★★★★ 5
Honda air filter
I am very happy with the air filter, it fitted perfectly in my Honda Civic.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Size Does Matter
Product: Air Intake Filter
Brand: EPAuto
Positives: Super affordable and compact. Easy to remove and install, just loosen 4 screws and that’s it. Made with quality and durable material. The filter provides ideal airflow for the engine to function properly.
Negatives: None.
Overall Impression: I needed a replacement filter for my wife’s car and I didn’t want to spend a small fortune. This item was practically a steal at the list price. No need to spend more money, all the quality and longevity can be had with this filter. My wife drives her car almost every day and that means it gets a pretty good amount of use and lasts about 12 months until I decide to change them again. I would definitely recommend this product to others looking for a similar product.
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Reviewed in the United States on November 3, 2025
★★★★★ 4
Performance was good
my usual to go product for Honda CRV i had for long time. But last item i received I was not happy the quality seems like changed from past products. so far i had no complains. Packaging as always was solid. Performance was good. Lasted for more than mileage mentioned on the product page. Air flow is good.
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Reviewed in the United States on December 1, 2025