From heavy-duty trucks to performance pickups — we handle engine diagnostics, repair, fuel injection, turbo systems, and full performance upgrades. Your diesel deserves the best.
Complete care for every diesel system — from routine maintenance to high-performance upgrades. We do it right the first time.
Full-service diesel maintenance — oil changes, filter replacements, cooling systems, belts, and preventive care to keep your vehicle running strong.
Unlock your diesel's true potential. Custom ECM tuning, power upgrades and calibrations for pickups, heavy trucks and commercial vehicles.
Precision diagnosis and repair of common rail, high-pressure, and mechanical injection systems. Restore efficiency and eliminate smoke.
Turbocharger inspection, rebuild, replacement and upgrades. More boost, more power — without killing reliability.
Advanced OBD2, dealer-level scan tools and live data analysis to pinpoint any diesel problem fast. No guesswork, just results.
Full bolt-on upgrades — intakes, exhausts, intercoolers, lift pumps and more. Build the diesel you've always wanted.
Tech Box Diesel LLC was founded with a single mission: deliver dealer-level diesel expertise with the personal attention of a specialist shop. Based in Pembroke Pines, FL, we serve truck owners, fleet operators, and performance enthusiasts throughout South Florida.
Our technicians have hands-on experience with Cummins, Duramax, Power Stroke, and Mercedes diesel systems. We invest in the latest diagnostic equipment and stay current with every new platform — so we can fix your truck right the first time.
Trained technicians specialized exclusively in diesel systems — not a general shop wearing a diesel hat.
We respect your time. Same-day diagnostics, rapid estimates and efficient repairs to minimize your downtime.
Upfront estimates with no hidden fees. We explain every job before we do it — you always know what you're paying for.
Questions? Updates? You'll always reach a real person. We keep you informed at every step of the repair process.
Get a free diagnostic quote today. No obligation, no pressure.
Schedule Your Appointment"My F-250 Power Stroke had a rough idle and black smoke for months. Tech Box diagnosed the injector issue same day and had it running perfectly within 48 hours. Incredible work."
"Had them tune my Duramax. The power gains are insane — and it actually gets better fuel economy on the highway now. These guys know their stuff inside and out."
"We run a small delivery fleet and Tech Box is our go-to for all our Sprinter vans. Honest, fast, and they always keep our trucks road-ready. Worth every cent."
Whether you need a diagnostic, repair quote, or want to build a performance package — we're ready. Reach out and we'll get back to you fast.
We respond within 1 business hour. No spam, ever.