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Description
FASS Fuel Systems Drop-In Series Diesel Fuel Filtration System 07.5-09 Dodge/Ram 6.7L 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 proviers 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
4.7 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Great buy
Size: 32, Color: Black
Pants were as advertised. The color was very good and they were true to size. The detailing on the front is great! Very stretchy too which is a big plus
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 8, 2025
★★★★★ 5
Bueno
Size: 28, Color: Lightblue971
Muy bonito y buena calidad
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Reviewed in the United States on March 13, 2026
★★★★★ 5
#1 Winterwear Choice
My favorite jacket I own. This jacket is not only one of the most stylish articles of clothing I have, but perhaps one of the warmest. When I bought an XL I got an XL, it fits perfect. Its heavy for a denim jacket, but that means it is built with quality. Not only does it have a clean aesthetic, but it is extremely utilitarian: If you're getting a jacket, you're getting it for a purpose. This jacket serves that purpose, in fact it serves multiple. This jacket has deep pockets, so your valubles don't slip out while standing or sitting. The price for this jacket is phenomenal, and almost unreasonable for the manufacturer compared to the actual quality you get. The materials to make this jacket may be inexpensive or cheap, but they certainly don't don't look or feel that way. If this jacket ever tears or gets ruined, I'm just going to buy another honestly. I highly recommend this jacket to anyone who wants quality, warmth, durability, aesthetic, and a budget conscious choice compared to designer brand apparel.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Great Quality
My son Loves this Jacket. He specifically asked for one for Christmas and this one met his every expectation. It is great quality. It is thick and warm without being too bulky. I sized up for him since he is a growing teenager and it still fits great and he will be able to wear it next winter too if he wants.
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Reviewed in the United States on February 20, 2026
★★★★★ 4
Cotton as Stylish as Snow
So far, after only wearing it a handful of days, I have already fallen deeply in love with this jacket. With its quality fleece jean material and stylish look, it's arguably climbed at record speed to being my favorite winter jacket thus far. It won't exactly cut it for the days of extreme cold, but it's practically perfect for those high 30s to low 50s degree Fahrenheit weather!
The cotton on the inside is both soft and warm, and the overall fit of it hits a perfect sweet spot of being weighty without feeling too hefty or dragging on the body. The pockets aren't the deepest in the world, but with four of them, they'll be more than able to carry an decently sized arsenal of your everyday items. It lays on nicely, and is able to be worn with an extra layer or two underneath, in case a bit of extra warmth is needed. The only caveat that I could give it, hence why I gave it 4 stars instead of 5, is that if you choose to dawn on clothes that are rather lint susceptible, this jacket will be a direct enemy to it.
But that is where the criticisms start and end, and is why I wish there were a way to give a product a 4.5 stars review here on Amazon. Otherwise, this is a must buy for anyone looking for a winter jacket that packs a bit more visual finesse than a typical puffer jacket.
If only I had the sense to buy a winter jean jacket such as this one sooner rather than later!
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Reviewed in the United States on February 21, 2026
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