top of page
Technician performing diesel particulate filter (DPF) cleaning service

Diesel Emissions Services

Comprehensive solutions for DPF, DOC, SCR, and EGR systems

Clean Diesel Specialists delivers Cummins-approved DPF, DOC, SCR and EGR service for heavy-duty fleets nationwide. Review each service below, then find a CDS location to schedule maintenance or cleaning.

SERVICES VARY BASED ON LOCATION

While some CDS facilities specialize in DPF cleaning, others offer full emissions system support including DOC, SCR, and EGR services. Please contact us to verify local capabilities.

Interior structure of a diesel particulate filter
Close-up of a diesel particulate filter (DPF) used in heavy-duty trucks

Diesel Particulate Filter | Diesel Oxidation Catalyst

DPF & DOC Services

Diesel Particulate Filters (DPFs) and Diesel Oxidation Catalysts (DOCs) trap soot and exhaust pollutants, but ash buildup chokes airflow and raises back-pressure. Our Cummins-approved 8-step cleaning, inspection, and flow-testing restores OEM performance extends filter life, and keeps fleets compliant with regulations.

DPF Cleaning / Regeneration

Full 8-step Cummins-approved process

Cleaning & Flow Testing

Restore catalyst performance

DPF / DOC Inspection

Back-pressure, flow & visual checks

Filter Repair or Replacement

Cracked cores, melted substrates

Clamp & Gasket Replacement

OE-quality parts on request

Find DPF / DOC Service Near You

CDS Location
Company Name
State
View Page
CDS PHOENIX
Divine, LLC DBA Divine Heat Transfer
Arizona
View Affiliate Page
CDS MEMPHIS
Grover's Radiator
Arkansas
View Affiliate Page
CDS YUMA
One World Transportation
California
View Affiliate Page
CDS FRESNO
Diesel Diagnostic Tec
California
View Affiliate Page
CDS BAKERSFIELD
AHLF Emissions Solutions
California
View Affiliate Page
CDS VENTURA
OST Cranes
California
View Affiliate Page
CDS ANAHEIM
CDS So Cal
California
View Affiliate Page
CDS COLTON
CDS So Cal
California
View Affiliate Page
CDS COLORADO SPRINGS
CDS Colorado Springs
Colorado
View Affiliate Page
CDS DENVER
Divine, LLC DBA Divine Heat Transfer
Colorado
View Affiliate Page
CDS TAMPA
Fleet Products
Florida
View Affiliate Page
CDS ORLANDO
DPF Solutions, LLC - Orlando
Florida
View Affiliate Page
CDS PORT ST LUCIE
Downtime DPF Solutions
Florida
View Affiliate Page
CDS MIAMI
10-8 Emssions and Cooling
Florida
View Affiliate Page
CDS ATLANTA
DPF Guys
Georgia
View Affiliate Page
CDS METROPOLIS
Clean Tech
Illinois
View Affiliate Page
CDS WESTERN ILLINOIS
Fleet Maintenance Services, LLC
Illinois
View Affiliate Page
CDS MARION
DPF Solutions, LLC - Marion
Indiana
View Affiliate Page
CDS CHICAGO
Sandi NK Diesel Truck Repair
Indiana
View Affiliate Page
CDS LOUISVILLE
Roppel Industries
Kentucky
View Affiliate Page
CDS MARYLAND
Chesapeake Cooling Solutions, LLC
Maryland
View Affiliate Page
CDS BOSTON
Rogers Radiator
Massachusetts
View Affiliate Page
CDS GRAND RAPIDS
Effingham Radio Repair
Michigan
View Affiliate Page
CDS LANSING
DPF Solutions, LLC - Lansing
Michigan
View Affiliate Page
CDS MINNEAPOLIS
Triangle Machine & Radiator
Minnesota
View Affiliate Page
CDS KANSAS CITY
Divine, LLC DBA Divine Heat Transfer
Missouri
View Affiliate Page
CDS NORTHEAST MO
Shelbyville Auto
Missouri
View Affiliate Page
CDS RENO
A1 Radiator Repair
Nevada
View Affiliate Page
CDS LONG ISLAND
DPF Cleaning Solutions
New York
View Affiliate Page
CDS BUFFALO
Erie Radiator
New York
View Affiliate Page
CDS ROCHESTER
Empire Radiator Service
New York
View Affiliate Page
CDS BURLINGTON
Carolina DPF Solutions
North Carolina
View Affiliate Page
CDS AKRON
Ellet Radiator
Ohio
View Affiliate Page
CDS PHILLY
Jim D's DPF Cleaning Service
Pennsylvania
View Affiliate Page
CDS ALLENTOWN
LeHigh Valley DPF
Pennsylvania
View Affiliate Page
CDS CENTRAL PA
DPF Services, LLC
Pennsylvania
View Affiliate Page
CDS COLUMBIA
DPF XPRESS
South Carolina
View Affiliate Page
CDS CHARLOTTE
DPF XPRESS / 1-800 RAD
South Carolina
View Affiliate Page
CDS NASHVILLE
Roppel Industries
Tennessee
View Affiliate Page
CDS KNOXVILLE
DPF Solutions, LLC - Knoxville
Tennessee
View Affiliate Page
CDS HOUSTON
Advanced Fleet Maintenance
Texas
View Affiliate Page
CDS LAREDO
Martinez Diesel Repair
Texas
View Affiliate Page
CDS DALLAS
Air Flow Solutions - Dallas
Texas
View Affiliate Page
CDS UTAH
J Mac Radiator
Utah
View Affiliate Page
CDS FREDERICKSBURG
DPF Services, LLC
Virginia
View Affiliate Page
CDS GREEN BAY
1st Choice Pressure Washing & Detailing
Wisconsin
View Affiliate Page
CDS MILWAUKEE
Wedige Automotive
Wisconsin
View Affiliate Page

Contact Us for DPF / DOC Service

SCR emissions components
Selective Catalytic Reduction (SCR) system for diesel emissions control

Selective Catalytic Reduction (SCR) and one-box systems convert harmful NOx into harmless nitrogen and water vapour. We provide DEF dosing diagnostics, catalyst cleaning, sensor testing and one-box inspection to maintain emissions efficiency, avoid derate faults, and meet EPA/CARB standards.

SCR / One Box Services

Selective Catalytic Reduction

DEF Dosing &
Injector Testing

Flow, pattern and leak checks
 

SCR Catalyst
Cleaning

Remove ash & surface deposits, improve NOx reduction

NOx sensor testing & replacement

Live-data tests, calibration & OEM-spec replacement

One-box
inspection

Sealing and surface repair
 

line, pump &
heater diagnostics

DEF flow/pressure & heater circuit checks
 

Find SCR / One Box Service Near You

CDS Location
Company Name
State
View Page
CDS PHOENIX
Divine, LLC DBA Divine Heat Transfer
Arizona
View Affiliate Page
CDS MEMPHIS
Grover's Radiator
Arkansas
View Affiliate Page
CDS YUMA
One World Transportation
California
View Affiliate Page
CDS FRESNO
Diesel Diagnostic Tec
California
View Affiliate Page
CDS BAKERSFIELD
AHLF Emissions Solutions
California
View Affiliate Page
CDS VENTURA
OST Cranes
California
View Affiliate Page
CDS ANAHEIM
CDS So Cal
California
View Affiliate Page
CDS COLTON
CDS So Cal
California
View Affiliate Page
CDS COLORADO SPRINGS
CDS Colorado Springs
Colorado
View Affiliate Page
CDS DENVER
Divine, LLC DBA Divine Heat Transfer
Colorado
View Affiliate Page
CDS TAMPA
Fleet Products
Florida
View Affiliate Page
CDS ORLANDO
DPF Solutions, LLC - Orlando
Florida
View Affiliate Page
CDS PORT ST LUCIE
Downtime DPF Solutions
Florida
View Affiliate Page
CDS MIAMI
10-8 Emssions and Cooling
Florida
View Affiliate Page
CDS ATLANTA
DPF Guys
Georgia
View Affiliate Page
CDS METROPOLIS
Clean Tech
Illinois
View Affiliate Page
CDS WESTERN ILLINOIS
Fleet Maintenance Services, LLC
Illinois
View Affiliate Page
CDS MARION
DPF Solutions, LLC - Marion
Indiana
View Affiliate Page
CDS CHICAGO
Sandi NK Diesel Truck Repair
Indiana
View Affiliate Page
CDS LOUISVILLE
Roppel Industries
Kentucky
View Affiliate Page
CDS MARYLAND
Chesapeake Cooling Solutions, LLC
Maryland
View Affiliate Page
CDS BOSTON
Rogers Radiator
Massachusetts
View Affiliate Page
CDS GRAND RAPIDS
Effingham Radio Repair
Michigan
View Affiliate Page
CDS LANSING
DPF Solutions, LLC - Lansing
Michigan
View Affiliate Page
CDS MINNEAPOLIS
Triangle Machine & Radiator
Minnesota
View Affiliate Page
CDS KANSAS CITY
Divine, LLC DBA Divine Heat Transfer
Missouri
View Affiliate Page
CDS NORTHEAST MO
Shelbyville Auto
Missouri
View Affiliate Page
CDS RENO
A1 Radiator Repair
Nevada
View Affiliate Page
CDS LONG ISLAND
DPF Cleaning Solutions
New York
View Affiliate Page
CDS BUFFALO
Erie Radiator
New York
View Affiliate Page
CDS ROCHESTER
Empire Radiator Service
New York
View Affiliate Page
CDS BURLINGTON
Carolina DPF Solutions
North Carolina
View Affiliate Page
CDS AKRON
Ellet Radiator
Ohio
View Affiliate Page
CDS PHILLY
Jim D's DPF Cleaning Service
Pennsylvania
View Affiliate Page
CDS ALLENTOWN
LeHigh Valley DPF
Pennsylvania
View Affiliate Page
CDS CENTRAL PA
DPF Services, LLC
Pennsylvania
View Affiliate Page
CDS COLUMBIA
DPF XPRESS
South Carolina
View Affiliate Page
CDS CHARLOTTE
DPF XPRESS / 1-800 RAD
South Carolina
View Affiliate Page
CDS NASHVILLE
Roppel Industries
Tennessee
View Affiliate Page
CDS KNOXVILLE
DPF Solutions, LLC - Knoxville
Tennessee
View Affiliate Page
CDS HOUSTON
Advanced Fleet Maintenance
Texas
View Affiliate Page
CDS LAREDO
Martinez Diesel Repair
Texas
View Affiliate Page
CDS DALLAS
Air Flow Solutions - Dallas
Texas
View Affiliate Page
CDS UTAH
J Mac Radiator
Utah
View Affiliate Page
CDS FREDERICKSBURG
DPF Services, LLC
Virginia
View Affiliate Page
CDS GREEN BAY
1st Choice Pressure Washing & Detailing
Wisconsin
View Affiliate Page
CDS MILWAUKEE
Wedige Automotive
Wisconsin
View Affiliate Page

Contact Us for SCR Service

Blurred background highlighting EGR system components
Exhaust Gas Recirculation (EGR) valve used in diesel engines

EXHAUST GAS RECIRCULATION

EGR Services

The Exhaust Gas Recirculation (EGR) system lowers combustion temperatures to reduce NOₓ. We ultrasonically clean EGR coolers, valves and sensors, remove carbon scale, pressure-test for leaks, and replace worn components—restoring flow, preventing costly turbo damage and supporting emissions compliance.

EGR Cooler Cleaning

Ultrasonic bath or hot-flush to remove soot / coolant scale

valve cleaning & bench test

Verify movement and position sensor
 

pressure sensor check

Verify ports, tubing, and sensor signal
 

Pipe & sensor replacement

OEM-equivalent parts stocked
 

Crossover tube decarbonising

Improve flow & reduce turbo lag
 

Find EGR Service Near You

CDS Location
Company Name
State
View Page
CDS PHOENIX
Divine, LLC DBA Divine Heat Transfer
Arizona
View Affiliate Page
CDS MEMPHIS
Grover's Radiator
Arkansas
View Affiliate Page
CDS YUMA
One World Transportation
California
View Affiliate Page
CDS FRESNO
Diesel Diagnostic Tec
California
View Affiliate Page
CDS BAKERSFIELD
AHLF Emissions Solutions
California
View Affiliate Page
CDS VENTURA
OST Cranes
California
View Affiliate Page
CDS ANAHEIM
CDS So Cal
California
View Affiliate Page
CDS COLTON
CDS So Cal
California
View Affiliate Page
CDS COLORADO SPRINGS
CDS Colorado Springs
Colorado
View Affiliate Page
CDS DENVER
Divine, LLC DBA Divine Heat Transfer
Colorado
View Affiliate Page
CDS TAMPA
Fleet Products
Florida
View Affiliate Page
CDS ORLANDO
DPF Solutions, LLC - Orlando
Florida
View Affiliate Page
CDS PORT ST LUCIE
Downtime DPF Solutions
Florida
View Affiliate Page
CDS MIAMI
10-8 Emssions and Cooling
Florida
View Affiliate Page
CDS ATLANTA
DPF Guys
Georgia
View Affiliate Page
CDS METROPOLIS
Clean Tech
Illinois
View Affiliate Page
CDS WESTERN ILLINOIS
Fleet Maintenance Services, LLC
Illinois
View Affiliate Page
CDS MARION
DPF Solutions, LLC - Marion
Indiana
View Affiliate Page
CDS CHICAGO
Sandi NK Diesel Truck Repair
Indiana
View Affiliate Page
CDS LOUISVILLE
Roppel Industries
Kentucky
View Affiliate Page
CDS MARYLAND
Chesapeake Cooling Solutions, LLC
Maryland
View Affiliate Page
CDS BOSTON
Rogers Radiator
Massachusetts
View Affiliate Page
CDS GRAND RAPIDS
Effingham Radio Repair
Michigan
View Affiliate Page
CDS LANSING
DPF Solutions, LLC - Lansing
Michigan
View Affiliate Page
CDS MINNEAPOLIS
Triangle Machine & Radiator
Minnesota
View Affiliate Page
CDS KANSAS CITY
Divine, LLC DBA Divine Heat Transfer
Missouri
View Affiliate Page
CDS NORTHEAST MO
Shelbyville Auto
Missouri
View Affiliate Page
CDS RENO
A1 Radiator Repair
Nevada
View Affiliate Page
CDS LONG ISLAND
DPF Cleaning Solutions
New York
View Affiliate Page
CDS BUFFALO
Erie Radiator
New York
View Affiliate Page
CDS ROCHESTER
Empire Radiator Service
New York
View Affiliate Page
CDS BURLINGTON
Carolina DPF Solutions
North Carolina
View Affiliate Page
CDS AKRON
Ellet Radiator
Ohio
View Affiliate Page
CDS PHILLY
Jim D's DPF Cleaning Service
Pennsylvania
View Affiliate Page
CDS ALLENTOWN
LeHigh Valley DPF
Pennsylvania
View Affiliate Page
CDS CENTRAL PA
DPF Services, LLC
Pennsylvania
View Affiliate Page
CDS COLUMBIA
DPF XPRESS
South Carolina
View Affiliate Page
CDS CHARLOTTE
DPF XPRESS / 1-800 RAD
South Carolina
View Affiliate Page
CDS NASHVILLE
Roppel Industries
Tennessee
View Affiliate Page
CDS KNOXVILLE
DPF Solutions, LLC - Knoxville
Tennessee
View Affiliate Page
CDS HOUSTON
Advanced Fleet Maintenance
Texas
View Affiliate Page
CDS LAREDO
Martinez Diesel Repair
Texas
View Affiliate Page
CDS DALLAS
Air Flow Solutions - Dallas
Texas
View Affiliate Page
CDS UTAH
J Mac Radiator
Utah
View Affiliate Page
CDS FREDERICKSBURG
DPF Services, LLC
Virginia
View Affiliate Page
CDS GREEN BAY
1st Choice Pressure Washing & Detailing
Wisconsin
View Affiliate Page
CDS MILWAUKEE
Wedige Automotive
Wisconsin
View Affiliate Page

Contact Us for EGR Service

Benefits of Routine Diesel Emissions Service

Improved Fuel Economy

01

Regular DPF, DOC, SCR, and EGR cleaning helps restore airflow, reduce backpressure, and improve fuel economy across heavy-duty vehicles.

Longer System Lifespan

02

Prevent premature failure of emission system components with routine maintenance and inspection—reducing the need for costly replacements.

Emissions Compliance

03

Properly serviced diesel emissions systems help fleets meet regulatory standards and avoid fines, penalties, or failed inspections.

Higher Resale Value

04

Well-maintained DOCs, DPFs, and other emissions components enhance vehicle resale by preserving engine performance and reliability.

Reduce Downtime

05

Prevent breakdowns and unexpected service disruptions with proactive emissions system cleaning and diagnostics.

Fleet-Friendly Solutions That Go Beyond Cleaning

Beyond standard cleaning services, Clean Diesel Specialists, Inc. offers a variety of additional solutions. This ensures that your fleet receives comprehensive care tailored to meet both operational and financial needs.

Single
Source Billing

As the sole vendor managing dispatch, accounts payable, and receivable, CDS provides seamless billing solutions for all your filter maintenance needs.
 

Standardized Nationwide Pricing

With standardized pricing across all locations, we offer a single price for filter cleaning, clamps, and gaskets, making budget forecasting easier for

large fleets.

Ability to Clean 
Oil-Soaked Filters

Our proprietary cleaning process is proven to have a 90% success rate with problematic oil-soaked filters.


 

Free Pickup & Delivery

We offer free pickup and delivery with 24-hour turnaround in most markets.


 

Filter &
Bung Repair

We can weld cracked retaining rings, straighten bent filter flanges, and replace stripped bungs. We also manufacture bungs for all OEM applications.

Standardized 
Cleaning Practice

Every licensee working with the CDS Network is Cummins-approved and uses certified cleaning equipment, ensuring consistent and efficient filter cleaning across all locations.

Full Stock of
Gaskets & Clamps

All cleaned filters come with gaskets and clamps, making reinstallation hassle-free.​



 

Replacement 
DPFs & DOCs

OEM filter exchange and core bank management programs are available to ensure your filters are replaced efficiently.

 

DPF technician performing emissions system cleaning with Enviromotive-certified equipment

ENVIROMOTIVE: OUR PARTNER IN CUMMINS-APPROVED DPF CLEANING TECHNOLOGY

To deliver consistent, high-quality diesel emissions service, we use only industry-leading equipment. We've partnered with Enviromotive, a trusted manufacturer of Cummins-approved DPF cleaning systems, to ensure every filter is cleaned to OEM standards.

Their advanced technology allows us to restore Diesel Particulate Filters (DPFs), Diesel Oxidation Catalysts (DOCs), and other emissions components with precision—improving filter performance, extending service life, and supporting regulatory compliance across your fleet.

Regeneration Oven

Converts the soot packed in DPFs into ash, ensuring the cleaning process is as effective & without damage to the filter.

Flush System

While using a powerful water gun to clean DPFs thoroughly, it ensures effective results while recycling water to minimize waste.

Blast Cabinet

Uses a technique combined of compressed air & an intense vacuum that work in sequence to clean.

Enviromotive DPF regeneration oven used for thermal cleaning of diesel filters
Enviromotive blast cabinet used for surface cleaning of filters
Enviromotive Flush booth for wet cleaning and flushing of emissions components
Enviromotive Filtration and recycling system used to clean and reuse water during DPF service
Enviromotive Precision soot scale used to measure pre- and post-cleaning ash content
Enviromotive Diesel filter drying system for moisture removal after cleaning
Enviromotive Inspection station for verifying DPF airflow and visual condition

Soot Scale

Records and communicates the exact amount of soot removed from filters, allowing us to track and report how effective our cleaning process is from start to finish.

Inspector

Designed to measure the flow of DPFs before & after cleaning. It helps diagnose whether the filter is cracked, damaged, or exothermed.

Drying System 

This dryer reduces drying time to less than 3 hours. It ensures your DPF is ready for immediate reinstallation, minimizing downtime.

OEM-Approved Diesel Emissions Cleaning & Testing Services

At Clean Diesel Specialists Inc, our OEM approved emissions service gets your system back to how it should run. Clean. Clear. Strong. We handle full DPF filter cleaning and detailed Diesel particulate filter cleaning that restores airflow fast. No patch jobs. No shortcuts.

Need more than a wash? We perform precise SCR catalyst cleaning and a complete Diesel emissions testing service to check flow, pressure, and sensors. It’s a full Emissions cleaning service, built for fleets that cannot sit still.

What This Means for You

•    Better fuel burn
•    Fewer fault codes
•    Longer filter life
•    Less downtime

Clean parts breathe better. When your truck breathes better, it pulls harder. Book your service. Keep rolling.
 

Our 8-Step DPF Filter Cleaning Process

Smart Solutions for Smarter Fleet Operations

Our Cummins-approved 8-step cleaning process is designed to restore Diesel Particulate Filters (DPFs) and Diesel Oxidation Catalysts (DOCs) to peak performance. Each step ensures your filters are thoroughly inspected, cleaned, and tested for maximum efficiency, emissions compliance, and long-term reliability across your fleet.

DPF Cleaning Process - Initial Inspection

Initial Inspection

01

We thoroughly inspect each filter for signs of external damage, contamination, and wear, identifying any issues that might affect performance.

DPF Cleaning Process - Documentation

Record & Document

02

We record initial airflow, weight, and condition to create a baseline, ensuring clear tracking of improvements throughout the cleaning process.

DPF Cleaning Process - Blast Cleaning

Blast Cleaning

03

Using high-pressure compressed air, we carefully dislodge large soot and ash particles from the filter, preparing it for deeper cleaning.

DPF Cleaning Process - Aqueous Cleaning

Aqueous Cleaning

04

The filter undergoes a high-pressure water cleaning, reaching deep into the filter substrate to remove smaller particles that air-blasting alone may miss.

DPF Cleaning Process - Drying

Eliminate Moisture

05

The filter is dried to eliminate any residual moisture, preventing interference with the thermal regeneration phase.

DPF Cleaning Process - Thermal Regeneration

Thermal Regeneration

06

The filter is heat-treated at controlled temperatures to burn off remaining fine particulates, ensuring thorough decontamination.

DPF Cleaning Process - Cooling and Final Check

Cooling & Final Check

07

After cooling, we perform a final airflow test and structural check to confirm that the filter meets performance standards.

DPF Cleaning Process - Packaging

Package & Transport

08

The cleaned filter is securely sealed and labeled for safe transport, along with detailed documentation of the cleaning results.

Request an Emissions Service

CONTACT OUR DISPATCH TEAM

bottom of page