DIESEL PROBLEMS FIXED RIGHT
DIESEL Repair, DPF Restoration & Recore Solutions
From diagnostics and DPF systems to complete diesel repairs, DPFR keeps South Texas trucks and fleets running with less downtime and more uptime.
Complete DPF Solutions
Specialized diesel aftertreatment services for every truck, fleet, and application
DPF Cleaning
Professional cleaning designed to restore DPF performance, improve airflow, and extend component life.
Learn More →Bung Repair
Professional TIG-welded bung repairs for damaged DPF and aftertreatment components.
Learn More →DPF Recore
Cost-effective recore solutions when cleaning alone isn't enough — restore your system without replacing the entire assembly.
Learn More →Mobile & Fleet Services
Solutions designed for commercial vehicles and fleets that need dependable service and reduced downtime.
Request Service →Diesel Repair Solutions
Comprehensive diesel repair for light-, medium-duty trucks, and OTR rigs. Our technicians diagnose, repair, and maintain diesel engines for maximum efficiency and reliability — no matter the fleet size.
Learn More →ReGenX™
PatentedOn-vehicle DPF cleaning in 2–3 hours — no removal, no exhaust disassembly, no unnecessary downtime. DPFR's exclusive method.
Learn More →On-Vehicle DPF Cleaning | Exclusive Method — ReGenX™ DPF Cleaning
Our patented ReGenX technology cleans your DPF without removing it from the vehicle — cutting downtime, reducing labor costs, and keeping your fleet on the road. Perfect for work trucks, delivery vehicles, and high-mileage diesels. (US Pat Nos. 10,941,685, 11,761,362 and 12,196,117, and other patents pending)
- Faster in-place cleaning with no disassembly
- Ideal for preventive maintenance, diagnostics, and deep cleaning
- Restores peak performance quickly and efficiently
Standard Off-Vehicle Filter Cleaning — DPF Cleaning Services
If your filter is heavily clogged or outside ReGenX specs, our off-vehicle cleaning process can restore flow rates using thermal regeneration, chemical soaks, and precision airflow testing.
- Flow tested before & after
- Suitable for ash- or soot-clogged filters
- Fast turnaround
Some of the Brands We Service
RESTORE
We provide after-treatment (DPF/DOC/SCR) and full restoration
RECORE
Failed DPF/DOC? Our Recore uses your existing can for fast, same-day turnaround.
REGENX
On-vehicle DPF cleaning done in 2–3 hours — no removal, no downtime required.
Diesel Health Checks
By appointment only. Complimentary emissions check with expert insights to help keep your diesel running efficiently.
What Our Customers Say
Richard Delgadillo
July 23, 2026
Jason is amazing, their diagnostic mechanics are amazing!
Philip Andrews
February 6, 2026
Good customer service. The tech. At DPF go out of their way to explain everything that's is involved in your vehicles repair. The also keep you updated on the repairin a timely manner.👍
Jose Perez
January 30, 2026
Lane was super professional and able to get my filter serviced with a 1 day turnaround… recommend DPF Resolutions for ur DPF problems
Doug Calvert
January 15, 2026
If you have diesel emissions issues, bring them to DPF Resolutions! Jason and Lane are great guys and very knowledgeable! They offer great service and are very prompt! I will be doing more business with these folks!
Robert Holbrook
January 7, 2026
Lane was VERY helpful, took time to explain things as well as show me the process. I would highly recommend coming to DPF Resolutions
Martin Silva
November 26, 2025
I recently had work done at DPF Resolutions, and I it was a great experience. My representative, Chach Luevano, was absolutely exceptional from start to finish. He was extremely professional, knowledgeable, and genuinely helpful throughout the whole process. Chach took the time to answer all of my questions, kept me updated every step of the way, and made sure I understood exactly what was being done to my vehicle. His customer service truly stands out, and it's clear he takes a lot of pride in his work, he's very dedicated and attentive! I highly recommend DPF Resolutions for anyone needing diesel system services, and I especially recommend asking for Chach. He made the entire experience smooth and worry-free. Thank you, Chach, for your outstanding service! —Martin S.
Get In Touch With Us
Have a question or need service? Reach out and we'll get back to you as soon as possible — or call us at (726) 888-7990.
Find Us
Come visit us or give us a call — we're ready to help.
San Antonio, TX 78230