If you own a modern Cummins-powered Ram, you probably know how brutally expensive fuel filter changes can be. Depending on where you shop, simply having fresh OEM fuel...
Save HUNDREDS on your next fuel filter change.
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Diesel 101
What does air in diesel fuel do?
Air in diesel fuel can have several detrimental effects on the performance and longevity of a diesel engine. Here are the primary issues caused by air in diesel fuel:...
Fuel Contamination Explained
In this "Fuel Contamination Explained" article, we'll walk you through the basics of contaminated diesel fuel, the problems it causes, and the solutions. Contaminated...
Cummins swapped Jeep at FASS HQ!
There's no shortage of diesels at FASS HQ, but we don't get very many Cummins swapped Jeeps rolling through! Fortunately, that changed when some friends of ours brought...
Should I put CAT Filters on my FASS Fuel System?
We get asked about CAT filters so often, we’re tempted to paint our filters yellow… All jokes aside, it’s true that CAT filters can be installed on our Fuel Systems,...
What size FASS Fuel System do I actually need?!
One of the most common questions we get here at FASS is: “What size fuel system do I need for my truck?” If you’re not familiar with diesel fuel systems, don’t...
How to avoid gelled diesel fuel this winter!
Gelled fuel can make driving a diesel truck in cold temperatures a headache—but it doesn’t have to be. With one simple upgrade, gelled diesel fuel becomes a problem of...
Does your 6.7 Cummins need a better fuel filter?
Out with the 5.9, in with the 6.7 Cummins! Starting in 2007 (technically with 2007.5 models) Ram 2500/3500s received the 6.7 Cummins as their diesel engine of choice....
The BEST Fuel Filtration for the L5P Duramax
Goodbye LML, hello L5P! Whether packaged in a Chevrolet Silverado or GMC Sierra, the L5P Duramax is a seriously capable diesel engine. From daily driving and...
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