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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
FASS Fuel Systems Drop-In Series Diesel Fuel Filtration System 03-07 Dodge/Ram 5.9L CumminsFuel quality is critical for optimal performance in any engine, diesels even more so. Given that fuel is not only the source of combustion, but also lubrication of injector nozzels, having water or air gaps in fuel pressure can lead to premature failure of injectors, loss of power, poor fuel economy or even catastrophic damage. The diesel we provide for our trucks is never 100% clean and clear. Condensation, worn out storage tanks, particulates and
Fuel quality is critical for optimal performance in any engine, diesels even more so. Given that fuel is not only the source of combustion, but also lubrication of injector nozzels, having water or air gaps in fuel pressure can lead to premature failure of injectors, loss of power, poor fuel economy or even catastrophic damage. The diesel we provide for our trucks is never 100% clean and clear. Condensation, worn out storage tanks, particulates and cost cutting methods by large fuel providers lead to you topping your tank with a lot more than just diesel. The 6.7L Cummins in your 2007.5-2009 Ram deserves clean filtered fuel, and you deserve a truck that runs as good as it can. FASS comes to fulfill your truck's dietary needs with their Cummins fuel filtering Diesel Drop In Series kit.
Without proper fuel filtration, modern diesel injection systems are prone to excessive wear, which can cost THOUSANDS! By removing over 99% of the water from your diesel fuel, along with entrained air and debris down to 2 Microns, the Drop-In Series System protects the Cummins injection system from premature failure.
Additionally, by eliminating the contaminants mentioned above, the fuel filtering Drop-In Series System for the Cummins optimizes MPG (results will vary), restores horsepower, and sharpens throttle response. And if reliability, optimized MPG, restored horsepower, and a sharper throttle response isn’t enough, this system can be installed in an hour or less! This is a true plug-and-play system, requiring no cutting, wiring, or additional modifications.
With industry-leading water removal capabilities (3rd-party proven to exceed 99%) reinforced by the unique design of their Extreme Water Separator (XWS) FASS is also vigilantly protecting your truck. If your XWS reaches capacity, it acts as a dam, shutting down your truck, preventing major destruction of fuel system components.
- FASS Drop-In Technology was developed to achieve industry-leading filtration with the simplest possible installation—making our Drop-In Series Systems a true bolt-in upgrade. If you’re mechanically inclined, a Drop-In Series Fuel System can be installed in your driveway in less than an hour! But don’t let the easy installation fool you—our Drop-In Series Fuel Systems offer the same world-class filtration as our Titanium Signature Series and Industrial Series lines.
- Performance Radius Cuts (PRC) are an advanced machining technique used to improve the flow of fuel through the FASS System by creating smooth-flowing cuts within the filtration system. This prevents the reintroduction of air and vapor back into the fuel and prevents eddy currents from forming within the corner of a 90-degree sharp angle. FASS Drop-In Fuel Systems are the only Fuel Air Separation System that incorporates these exclusive Performance Radius Cuts, lesser competitors commonly use T-Bone and square 90-degree fittings that can limit fuel flow, cause restrictions and reintroduce air back into your fuel.
The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the Cummins. Backed by their limited lifetime warranty, the Drop-In Series Fuel System protects your 5.9L Cummins from the issues caused by fuel contamination.
NOTE: to get FASS warranty coverage for your product you must fill out their registration form here.
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
4.8 ★★★★★
Based on 2408 reviews
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Product Reviews
★★★★★ 3
Cheap but works
Size: 2002-2005 E46
Why did you pick this product vs others?:
These are cheap, but work. They don’t snap in well and don’t fit the edges perfectly. That being said, they’re cheap and fill the hole if your grill is broken or missing.
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Reviewed in the United States on June 29, 2025
★★★★★ 5
Fit perfect
Size: 2002-2005 E46, Size: 2002-2005 E46
Changes the look completely on the car majority of the chrome trim is now black
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Reviewed in the United States on May 22, 2023
★★★★★ 5
inexpensive way to clean up the look of your e46.
Size: 2002-2005 E46
nearly perfect fit which is alot to ask for, especially on a 23 year old car. these fit well enough that I'm happy with them.
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Reviewed in the United States on June 23, 2025
★★★★★ 5
Highly Recommended – Saved Big and Easy Install at 83 Years Old!
Size: CF10134&CA11476
I’ve been taking my cars to my favorite garage for over 25 years, so I trust them completely. When they quoted me $150 just to install and purchase the cabin and engine air filters on my 2016 Honda Accord, I decided to try doing it myself.
I bought this Cabin & Engine Air Filter set (fits Honda Accord 2.4L 2013-2017 and Acura TLX) for only about $27 delivered. What a difference in price!
Installation was surprisingly straightforward. Everything fit perfectly with no issues. The only extra step was doing a simple factory reset on the control panel, which was very easy and took just a couple of minutes. At 83 years old, I’m proud to say I handled the whole job myself in my driveway.
The filters seem high quality, especially with the activated carbon cabin filter. My car runs cleaner now and the air inside smells fresher. Excellent value and perfect fit.
If you’re even a little handy, don’t pay the high dealer/garage prices — get this kit and do it yourself. Highly recommended!
Would buy again without hesitation.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Perfect Fit & Performance for 2022 Explorer ✅
Size: CA10242&CF12772, Size: CA10242&CF12772
I recently installed this filter set on my 2022 Ford Explorer (2.3L), and I’m very impressed with the results. Both the engine and cabin filters were a perfect fit with no installation issues.
Performance & Quality:
Solid Build: These feel much sturdier and higher quality than the filters I removed. I bought my vehicle used, and it seems the previous owners used whatever generic parts they could find. These are a noticeable step up.
Fuel Efficiency: Since the swap, my MPG has remained rock steady at 26.1 MPG while running 89 octane fuel. It’s good to know the engine is breathing efficiently.
Cabin Comfort: The cabin air is noticeably fresh, and the airflow is excellent—no whistling or restricted feel through the vents.
Value:
Getting both filters in one set is a great deal compared to buying them individually at a local auto parts store or the dealership. I’ll definitely be looking at these again in the next 6 to 12 months for my next maintenance cycle.
Bottom Line: If you’re looking for a reliable, cost-effective alternative to dealership prices that doesn't compromise on performance, this is a great choice.
See Old vs New Photo
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Reviewed in the United States on April 29, 2026