DPF & DOC Filter Cleaning Service

Diesel Particulate Filters (DPFs) are designed to remove particulate matter in diesel exhaust. Engine wear, corrosion and combustion of engine lubricants result in ash accumulation in the filter and overtime results in lower fuel efficiency. We offer DFP & DOC Filter cleanings essential for vehicle operating efficiency.


Depend on DeCarolis to keep your medium and heavy duty trucks on the road and running efficiently.

New After Treatment Heavy Duty PartsĀ 

DFP and DOC filter are available for all makes and models. Our service team can provide a quick, simple cross-reference to OEM part numbers to work with OEM sensors and engine operating parameters. All products are backed by a one year warranty.

Contact our heavy-duty parts store.


Contact a Repair Expert

Get in touch with a DeCarolis service repair expert. We install what we sell.

Contact DeCarolis



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Explore Our Services

Heavy Duty Parts

We stock and sell parts for all makes and models of medium- and heavy-duty trucks, trailers, and buses. Plus, we provide chemicals and shop supplies, safety gear, and more.

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Collision & Body Shop

Repair, collision and body shop services for commercial trucks, trailers and buses.

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Alignment & Suspension

We perform alignment and suspension work all makes and models of medium- and heavy-duty trucks, trailers, and buses.

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A NationaLease Partner

North American network of independent truck companies.

As part of the NationaLease network, DeCarolis has you covered wherever the road takes you. Our partners will support you when your vehicle leaves our service area. It's another way you can depend on DeCarolis.