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Cummins-approved DPF cleaning for fleets — Clean Diesel Specialists

Fleet Emissions
Maintenance Solutions

DPF CLEANING & FLEET EMISSIONS SERVICES

With locations nationwide, Clean Diesel Specialists provides DPF cleaning and complete fleet emissions maintenance using Cummins-approved methods—ensuring cleaner emissions and peak performance for your fleet.

Now Working Exclusively with GESi for Aftermarket Filters

Our locations use GESi’s DPF XFit filters—built for durability, performance, and emissions reliability.

DPFXFIT by GESi – Aftermarket DPF & DOC Filters
Clean Diesel Specialists semi-truck promoting nationwide DPF cleaning and emissions service network

America's Largest Network
of Cummins- Approved  Emissions Service Professionals

Expierence the CDS Network

As the nation's largest network of DPF cleaning and truck fleet emissions service providers, Clean Diesel Specialists ensures your fleet's Diesel Particulate Filters (DPFs) are maintained to OEM standards, wherever you operate.

Innovative Emissions Solutions

Advanced DPF, DOC, SCR & EGR cleaning technology

Coast-to-Coast Reach

25+ states and growing for consistent service wherever you operate

Rapid Turnaround Time

Standardized processes that get fleets back on the road fast

Join the CDS Network

Grow your business with certified emissions services and national reach

Certified DPF cleaning in progress using aqueous cleaning

Our Certified
Emissions Services

CDS provides certified emissions maintenance using Cummins-approved  processes and advanced equipment. We specialize in DPF, DOC, SCR, and EGR services that restore OEM performance, reduce emissions, and minimize downtime.

Cummins-Approved DPF Cleaning in Action

Precision-Cleaned. Performance-Restored.

What Our Customers are Saying

Your feedback helps us keep fleets running clean and compliant. If we've earned your trust, leave us a quick review — and see why others count on CDS for certified emissions service.

Skylar Jansen

"I brought my truck in for a clean truck check and the service was great, friendly and quick. I'll defiantly be back."

Testimonial 1:
CARB Compliance Testing

Kenny M.

"...Everytime I had a question they would find an answer for it and I appreciate that. Professional guys with a great team, couldn't have asked for anything better! A+ highly recommend."

Testimonial 2:
SCR / One Box Maintenance

David Hampton

"They are very reasonable and great to work with."

Testimonial 3:
DPF  / DOC Cleaning

William Figueroa

"Great service from everyone there and thank you Andrew."

Testimonial 4:
Customer Support & Service

Google Review '21

"Amazing staff and knowledgeable crew. Highly recommended. They saved me alot of money. I will definitely return if I need further assistance."

Testimonial 5:
General Emissions Service

Close-up of diesel emissions filter system

We Partner with Industry Leaders In Diesel Emissions Technology

We partner with leading manufacturers who share our commitment to cleaner emissions, OEM-quality performance, and reliable results. Together, we deliver proven solutions to reduce pollution and extend fleet life.

DPFXFIT by GESi Aftermarket DPF & DOC Filters
DPFXFIT by GESi – Aftermarket DPF & DOC Filters

Official Aftermarket Filter Provider

Performance. Innovation. Reliability.

CDS affiliates rely on GESi’s DPF XFit filters—engineered with advanced catalytic coatings and built to meet the demands of heavy-duty diesel fleets. Trusted nationwide for consistent quality, emissions compliance, and field-tested durability.

White hexagon pattern symbolizing diesel particulate filters (DPFs), reflecting the precision and innovation behind emissions services

Trusted by Top Diesel Brands Nationwide

All Makes, Models, Brands, and Applications

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