DES offers a full line of heavy duty, medium duty and light duty DPFs and DPF accessories through our Redline Emissions Products brand, like clamps, gaskets, weld bungs, CACs, and sensors. We also carry brands like Durafit, Skyline, Filtertherm, FSX, Donaldson and more at our online superstore.


DES has 6 locations along the West Coast – Redding, CA. | Sacramento, CA | San Leandro, CA | Ontario, CA | Portland, OR | Vancouver, BC. Plus we have our growing Service Partner Network. We use our Filtertherm® line of cleaning equipment plus our rigorous 8-Step Cleaning process to give you consistent results, every time.


Trucks manufactured before 2007 don’t have factory installed DPF filters. We take these vehicles and fit them with a system to meet emissions compliance standards. Can’t make it to our shop? We have a team of technicians and a fully outfitted service fleet that can travel to your location.


DES manufactures and mounts custom sized brackets, mounts, guards, step covers and offers complete customized mounting kits. Our engineering department can help you design the highest quality system that’s perfect for your application. Whether you have a crane, excavator, truck or loader, we have the brackets you need.


DES manufactures its own line of DPF equipment and accessories plus offers full custom metal fabrication. We make our own gaskets, custom brackets, DPF boxes, guards with logos, blow out boxes and more. With our on-site engineering team and a full Amada stamping press, we’re outfitted to handle your custom metal fabrication needs. We also design/manufacture from the ground up our Filtertherm® line of products.


The UL 508A Certified Industrial Panel shop at our Sacramento location builds custom electrical assemblies. We can build Underwriter Laboratory Listed one-off or production panels from SCADA wastewater systems and heaters to lighting and OEM controls.


DES offers multiple types of training for General DPF knowledge, Equipment Specific training, training for our Filtertherm® line of equipment with additional online training and certification. And we also offer Sales Training & Support to our Redline Emissions Service Dealers. Have our team of specialists come and train your technicians today.