Welcome A2Z customers to Diesel Emissions Service

Effective February 15, 2016 A2Z Emissions Solutions department has joined the Diesel Emissions Service family. DES prides itself in providing the highest quality products and services, and you can expect the same great service you have received in the past. DES has locations throughout California as well as in Oregon and Canada. We are working hard to make this transition as smooth as possible while servicing all of your emissions needs. If you have any questions or concerns, please don’t hesitate to contact us.


For Sales and Service in Northern California Call 888.792.2922

For Sales and Service in Sacramento or the Bay Area Call 866.223.1609

For Sales and Service in Southern California Call 888.303.3950

For Sales and Service in Oregon Call 844.556.3150


Let us help Install a DPF system on your vehicle to meet or exceed air quality standards

DPF Service

DES prides itself on meeting all of its customers service needs.  Call us today to find out more about our DPF cleanings, mobile services, mobile installations, fleet programs and more.

DPF Training

DES is here to meet all of your training needs.  We have a new training center minutes from the Sacramento International Airport, updated online courses, and onsite training to train clients on their own equipment.