Swap the factory housing for a CAT spin on and they're super cheap. You don't want dirty fuel going through your fuel system, I'd rather spend extra on filters.
Pros: super cheap, clean fuel
Reviews of CAT fuel filter
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12 votes
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4 reviews
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Fuel filter I do every oil change but swapped to the CAT filter. It’s cheaper, filters better, and would last longer.
Pros: cheaper, filters better, lasts longer
Mileage: 130000 km
I opted to go with a Black Market Performance fuel filter kit. With this kit, I now use a CAT 1R-0750 filter which costs about $30 IIRC and can be bought from any truck shop in the country. As other commenters have said - the fuel filter(s) and system is not a place to cheap out given the cost of replacing a diesel engine and given the general "gunky" nature of diesel fuel, in general. Besides completely replacing the front fuel filter itself with a filter that is easier to obtain, it filters down to something crazy low. I don't recall the exact micron level but I know it was markedly improved over factory.
Pros: markedly improved over factory
Cons: customer service was hard
Part number: 1R-0750
CAT fuel filter upgrade on a Duramax is a no brainer!
Pros: easy upgrade
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What we know about CAT fuel filter
The brand is registered in Belgium. Official website: https://parts.cat.com/ru/catcorp.
In March 2026, PartReview does not yet have a formed opinion of CAT fuel filter. This part is not in the ranking due to insufficient reviews. You can help by adding a review for CAT fuel filter.
Currently there are 4 reviews and 12 votes. Average rating — 4.7 out of 5. Vote balance: 12 up, 0 down.
Users also evaluated the qualities of CAT fuel filter:
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