Martinez Diesel
Tuning & Performance
Power Stroke, Duramax & Cummins specialists. Custom tuning, diagnostics & diesel performance upgrades in Laredo, TX.
Diesel Tuning
Unlock your truck's full potential with professional calibration from Martinez Diesel. Three industry-leading platforms, one expert shop.
EZ LYNK
- Real-time engine monitoring
- Cloud-based tune updates
- Custom tunes for your build
- On-the-fly tune switching
EFI Live
- Custom calibrations & tunes
- Transmission tuning (Allison)
- Performance optimization
- Multi-level power modes
HP Tuners
- Multi-vehicle support
- Advanced data logging
- VCM Suite diagnostics
- Full ECU read & write
Ready to unlock your truck's potential?
Call Martinez Diesel for a free tuning consultation. We match the right platform to your build.
Complete Diesel Services
Everything your diesel pickup needs — from routine maintenance to full performance builds
Diesel Diagnostics
Professional scan tools for Power Stroke, Duramax & Cummins. Read codes, live data, injector balance rates, and more.
EZ LYNK, EFI Live & HP Tuners equipped.
Engine Repair & Rebuild
Head gaskets, injectors, fuel pumps, FICM repair, glow plugs, timing chains. Complete diesel engine overhauls.
6.0, 6.4, 6.7 Power Stroke • 5.9, 6.7 Cummins • LB7-L5P Duramax.
Turbo & Performance
PopularTurbo upgrades, compound turbo kits, intercooler upgrades, cold air intakes, exhaust systems. Build the truck you want.
S300, S400, BorgWarner, Garrett & more.
Exhaust & DPF/EGR
DPF/EGR delete consultation, exhaust system modifications, downpipes, muffler upgrades, full exhaust builds.
4" & 5" exhaust kits available.
Fuel System Service
CP3/CP4 pump replacement, injector service, FASS/AirDog lift pumps, fuel rail upgrades, contamination repair.
OEM & aftermarket options.
Maintenance & Oil Changes
Diesel oil changes, fuel filter service, coolant flush, transmission service, differential fluid, suspension & lift kits.
Keep your truck running strong.

Why Martinez Diesel
4.8 Rating
38 Google reviews. Laredo trusts Martinez.
All 3 Platforms
Power Stroke, Cummins & Duramax experts.
Best Prices
Saves thousands vs. dealers. Ask around Laredo.
Se Habla Español
Serving the Laredo & Nuevo Laredo community.
Trucks We Work On
Light duty diesel pickups only — no semi trucks
Truck Models
Diesel Engines
Our Work





What Customers Say
38 Google Reviews from real truck owners
“Mr Martinez and his team is great and very professional. Price is affordable. Fuel pump problem — went to 3 other places quoting $3,600-$3,800. Martinez did it faster and cheaper.”
“Highly recommend. Martinez was very friendly and took care of my truck. Very reasonable price. Will definitely come back.”
“Call Martinez the owner — he will take care of you. Great price and service.”


