Your truck should work the way you need it to. We offer custom diesel truck modifications designed to improve performance, durability, and functionality for work, towing, and fleet demands in El Paso, Texas.

Truck Modifications and Upgrades
Whether you’re looking to boost power, increase efficiency, or tailor your truck for a specific job, our technicians deliver practical, road-tested modifications that get results.
- Custom ECM tuning and power upgrades
- Heavy-duty suspension modifications
- PTO (power take-off) system installs
- Aftermarket exhaust and turbo upgrades
- Auxiliary fuel tank installations
- High-output alternators and electrical upgrades
- Transmission and clutch conversions
- Air ride suspension conversions
- Custom lighting and work light installs
- Cooling system enhancements
What Makes Us Different
We help truck owners, fleet managers, and operators get the most from their equipment through proven upgrades. Whether you’re hauling heavier loads, powering auxiliary equipment, or prepping a truck for off-road or long-distance use, we design and install modifications that hold up under pressure. We work on all diesel truck platforms, including Class 7 and 8 vehicles, medium-duty work trucks, and commercial fleet builds.
Schedule Your Custom Modifications Today: Call 469-912-2336
If you need a custom diesel truck solution, call United Diesel Repair at 469-912-2336. We’ll help you modify your truck to meet your exact performance or job site needs.
FAQs
What areas do you serve?
In addition to El Paso, Texas, we offer 24/7 mobile repairs, roadside assistance, and towing services to Las Cruces, NM; Hatch, NM; Alamogordo, NM, Deming, NM; Tularosa, NM; and more.
What types of trucks can you modify?
We modify diesel-powered trucks of all classes, including heavy-duty, medium-duty, and vocational trucks. Our upgrades are tailored to work, fleet, or commercial use—not aesthetics.
Will modifications affect warranty or emissions compliance?
Some modifications may affect OEM warranties or emissions compliance. We’ll discuss these factors with you before starting any upgrade to ensure full transparency.
How can I get in touch?
Call United Diesel Repair at 469-912-2336 to request a modification consultation. We’ll help tailor your truck for better power, function, or efficiency.
24/7 Services
Need help on the road? We’ve got you covered 24/7. United Diesel Repair offers mobile diesel repair, emergency roadside assistance, and heavy-duty towing—anytime, anywhere. Our team will go as far as you're willing to send us, ensuring fast, reliable help when you need it most.
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