Looking to upgrade your semi-truck, trailer, or fleet vehicle with custom modifications? At Amoretti Diesel Repair and Service in St George, UT, we offer custom truck modifications, with a focus on adding lights to trailers, electrical enhancements, and performance upgrades.

Custom Trailer & Truck Modifications
Personalizing and upgrading your commercial truck or trailer isn’t just about aesthetics—it’s about functionality and safety. Our custom truck modifications enhance your vehicle’s performance, visibility, and compliance with DOT lighting regulations.
- Custom Fabrication: Build and modify brackets, racks, steps, bumpers, headache racks, and other steel or aluminum components to fit your operation.
- Trailer Modifications: Upgrade ramps, tie-down systems, cargo restraints, landing gear, and access points for improved functionality.
- Truck Accessories: Install mud flaps, fenders, grille guards, mirrors, steps, and other accessories that improve durability and convenience.
- Electrical & Wiring Upgrades: Add or modify wiring for lighting, auxiliary power, trailer connections, cameras, and additional equipment.
- Safety Equipment Installation: Install backup alarms, cameras, reflective tape, warning lights, and other safety enhancements to improve compliance.
Why Utah Chooses Us for Truck & Trailer Modifications
At Amoretti Diesel Repair and Service, we provide professional truck modifications with a focus on quality, durability, and compliance.
Custom Lighting Experts – We specialize in trailer light installations and electrical upgrades.
High-Quality Parts & Components – Using durable, weather-resistant LEDs and electrical components.
DOT Compliance & Safety – Ensuring trailer lighting modifications meet safety regulations.
Expert Electrical Work – Our technicians handle complex wiring and power management solutions.
Custom Solutions for Every Need – Whether you’re a truck owner-operator or managing a fleet, we tailor modifications to your specific requirements.
Supporting Businesses Throughout St. George
Commercial trucks often need modifications to meet changing operational requirements, improve efficiency, or support specialized equipment. Amoretti Diesel Repair and Service provides custom truck modifications for businesses throughout the St. George area, delivering practical solutions built around your needs.
Conveniently located near I-15, we work with contractors, fleets, and owner-operators across Washington County and Southern Utah. Every modification is completed with careful attention to functionality, durability, and the demands of your day-to-day operations.
Contact Us for Custom Truck Modifications Now: Call 435-773-8511!
Want to upgrade your truck or trailer with custom lighting and electrical enhancements? Call Amoretti Diesel Repair and Service at 435-773-8511 today to discuss your modifications.
FAQs
How Do You Get to Amoretti Diesel Repair and Service in St. George?
Amoretti Diesel Repair and Service is located at 3676 S 1700 E, St. George, UT 84790. The location is convenient for truck owners, commercial drivers, and fleet managers needing specific truck modifications in St. George. I-15 is the main interstate for drivers traveling through St. George from the north or south. Drivers can use local roads, including River Road, to continue toward the shop on the south side of the city.
The St. George Regional Airport and Desert Color are recognizable landmarks in southern St. George. These landmarks can help drivers identify the general area as they get closer to Amoretti Diesel Repair and Service.
What Areas Do You Serve for Truck Modifications?
We offer custom truck and trailer modifications in St George, UT, and surrounding areas, including:
Washington, UT; Hurricane, UT; Santa Clara, UT; Ivins, UT; La Verkin, UT; Toquerville, UT; Leeds, UT; Springdale, UT; Enterprise, UT; Cedar City, UT.
Can You Add Custom LED Lights to My Trailer?
Yes! We specialize in LED light installations for trailers, including marker lights, brake lights, and work lights.
Are Your Modifications DOT-Compliant?
Yes! We ensure all lighting and safety modifications meet DOT regulations and industry standards.
How Can I Get Custom Truck Modifications?
Call 435-773-8511 or visit Amoretti Diesel Repair and Service in St George, UT, to discuss your custom truck and trailer upgrades.
Our Heavy-Duty Diesel Mechanic Services
We provide comprehensive diesel repair services, from routine maintenance to complex diagnostics. Our technicians handle fleet maintenance, DOT inspections, suspension repairs, alignments, and more. No job is too big or small—whether you own a single truck or manage a fleet, we keep your vehicles running efficiently and safely.
Testimonials
Here's what our customers are saying, feel free to leave us a review!
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