What Is A DPF Catalytic Converter?
Posted: January 20, 2026
What Is A DPF Catalytic Converter?
A “DPF” or diesel particle (particulate) filter is part of the exhaust system of a diesel engine. The DPF is part of the exhaust system on a diesel engine. With today’s EPA guidelines for emissions, the New, Large Diesel trucks have a DPF and a catalytic converter to reduce emissions, whereas older vehicles may only have a DPF.
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DPF Cats are becoming increasingly common as automakers add more diesel vehicles to their fleet offerings. The confusing part about DPFs is that they often come with 1-3 units per car or truck.
These different units do not always have the same value, which is confusing. Depending on the serial numbers, those units could also have very high or low values. We always ask for all listed numbers so that we can cross-check our database for the most accurate price quotes.
Important & Common Characteristics of DPFs:
- The exact shape is larger than most catalytic converters.
- Less precious metals are inside than standard catalytic converters, which generally leads to lower values.
- Specific models will have very high-value units, but the important part is using the serial code to help identify the value.
Common Vehicle Brands with DPFs:
- Dodge Cummins Engines
- Chevrolet GMC Duramax
- Ford Powerstroke Trucks
- Mercedes Benz Vehicles
- Mack Trucks
- Large Caterpillar Vehicles
If you want a quote on your DPF Catalytic Converter, you must send us ALL the serial numbers found on them. Our team correctly identifies your DPF and gets you the most accurate price for its scrap value.
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Don’t Be Surprised By Low- or No-Value DPF
Many DPFs can have no value; the number will help us determine those with value.
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