141 Helman Lane Unit B Cotati, CA 94931 • Monday - Saturday, 8am-5pm
Call to book an appointment!
707-992-0879
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Welcome to Diesel Exhaust Services!

CCDET Certified Heavy-Duty Emissions Center

Call to Book an Appointment

707-992-0879

We Are The Diesel Experts

Below Are Our Featured Diesel Services.  Let Us Get Your Truck Back On The Road ASAP! We serve following areas in California: Oakland, Rohnert Park, Santa Rosa and Vacaville.

Preventative Maintenance

This preventative maintenance program focuses on reducing downtime and costly repairs. We fix it right the first time!

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Diesel Smoke Opacity Testing

We are CCDET certified and offer on-site as well as
in-house diesel smoke opacity testing services

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Diesel Aftertreatment

Our diesel aftertreatment service provides computer diagnostic equipment that will communicate with the truck’s engine control module to identify active and stored trouble codes.

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Diesel Particulate Filter Cleaning

We offer a Diesel Particulate Filter Cleaning service that is quick, effective, and affordable.

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Plan 
Ahead!

Our experience in this specialized market allows for quick and effective repairs as well as a future maintenance plan limiting downtime.

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Already Certified For This Year?

Get Ahead Of The Curve And Schedule Your 2020’S Annual
Opacity Test Today And Receive 10% OFF!

Customer Reviews

Jessica Lomeli
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"Joe went out of his way to help us with our commercial truck. Highly recommend his services, he is friendly and beyond our expectations of customer services. WORDS ARE NOT ENOUGH TO SAY THANK YOU!!!"
Jake Petersen
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"They cleaned my dpf, cleared all my check engine lights and had my truck back to me in less than a day. stoked that its fixed. joe and his team run an awesome shop and take a ton of pride in their work."
Carl Polacchi
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"I have a 2010 Dodge 3500 and the DPF light came on saying the exhaust was full. Dodge wanted $3000+ to replace it. These guys can clean the DPF and the cats. Cost me about $600 and got my truck back right away. Save your money go here."

Check out some of our work!

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