A clean truck is an efficient  truck. It runs smoother and faster. That’s why it’s important to put your truck or
fleet in the hands of a reputable company –  Diesel Exhaust & Emissions. Our cleaning equipment and methods are
well-respected in the industry and will keep you moving forward.



A company you can rely on to get the work done, right.
That’s Diesel Exhaust & Emissions (DEE). We provide in-depth expertise along with a vast industry-specific network with
unlimited capabilities. Companies of all sizes come to DEE because they want to work with a powerful resource with the ability to get them
in and out with streamlined efficiency. Listed below are the services we offer:

✓ DPF Cleaning

Concerned about down time? Experience minimal disruption to your operations.

✓ Retro Fit

Is your rig CARB compliant? Our emissions retrofitting meets Air Resource Board regulations.

✓ OEM Diagnosis

Check engine light/regen issues? We have the latest software and experienced technicians to quickly diagnose.

✓ Parts

Want original parts and service? DEE has the connections and access you need.


Done your diesel smog check yet? Pass a CARB audit with flying colors.


Diesel Exhaust & Emissions is a pioneer in the diesel retrofit industry. We have spent more than a decade engineering products and cleaning processes that deliver superior reliability and efficiency while meeting stringent CARB regulations. For DPF cleaning, annual opacity tests, or exhaust sales and service, DEE expertise is unmatched.



OEM? Aftermarket? You’ve come to the right place. Diesel Exhaust & Emissions can offer assistance in just about
every capacity for parts. Let us help you by recommending, selling, replacing and manufacturing: DPFs, Exhaust Components,
Turbochargers, Charge Air Coolers, EGR Systems and more. Click here for our Parts catalog.


We’ve been in the business of rebuilding diesel, commercial and automotive turbochargers since 1968. For that reason alone, we’re considered one of the top rebuild companies in the business.  But there’s much more to this story than experience. It’s also about quality and care. Learn more by clicking on the category most applicable to your need, Diesel or Automotive.


why choose

Diesel Exhaust & Emissions,

BESt Known as “DEE,”

HAS BEEn in the business for over 50 Years

Founded by the Ostrander family in 1968 to provide turbocharger rebuilding, the company grew to encompass services including diesel engine repair, after treatment cleaning and retrofitting.

Today, DEE is well regarded throughout California and the northwest for its superior diesel exhaust and emissions equipment care. We work on public and utility fleets – from trucks to metro and school buses – as well as independently-owned vehicles. DEE technicians have been with the company for decades delivering the depth and breadth of experience you want for your equipment. We have the service diagnostic expertise and OEM parts you need.

When it comes to engine care, entrust your equipment to the company with half a century of experience – DEE