Diesel truck engine

DIESEL
POWER.
PRECISION.

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.

5-star rated
Same-day estimates
Licensed & Insured
SCROLL
500+
Engines Serviced
98%
Customer Satisfaction
15+
Years Combined Experience
24/7
Emergency Support

DIESEL SERVICES
& SOLUTIONS

Complete care for every diesel system — from routine maintenance to high-performance upgrades. We do it right the first time.

Maintenance & Repair

Full-service diesel maintenance — oil changes, filter replacements, cooling systems, belts, and preventive care to keep your vehicle running strong.

  • Routine & scheduled maintenance
  • Engine & drivetrain repair
  • Cooling & electrical systems

Performance Tuning

Unlock your diesel's true potential. Custom ECM tuning, power upgrades and calibrations for pickups, heavy trucks and commercial vehicles.

  • ECM/ECU remapping
  • HP & torque gains
  • Custom dyno-tested calibrations

Fuel Injection Systems

Precision diagnosis and repair of common rail, high-pressure, and mechanical injection systems. Restore efficiency and eliminate smoke.

  • Injector testing & replacement
  • Common rail high-pressure systems
  • Fuel pump rebuild & repair

Turbo Systems

Turbocharger inspection, rebuild, replacement and upgrades. More boost, more power — without killing reliability.

  • Turbo rebuild & replacement
  • Boost leak diagnosis
  • Upgraded turbo installs

Engine Diagnostics

Advanced OBD2, dealer-level scan tools and live data analysis to pinpoint any diesel problem fast. No guesswork, just results.

  • Check engine & fault codes
  • Live sensor data analysis
  • Pre-purchase inspections

Performance Upgrades

Full bolt-on upgrades — intakes, exhausts, intercoolers, lift pumps and more. Build the diesel you've always wanted.

  • Cold air intakes & exhausts
  • Intercooler & lift pump upgrades
  • EGR & DPF solutions
Diesel mechanic working on engine
15+
Years Combined
Diesel Expertise

BUILT BY
DIESEL EXPERTS,
FOR DIESEL OWNERS

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.

Cummins, Duramax, Power Stroke
Transparent pricing & estimates
Dealer-level diagnostic tools
Commercial & fleet vehicles
Licensed & insured in Florida
Quality OEM & aftermarket parts
Work With Us

THE TECH BOX DIFFERENCE

Certified Specialists

Trained technicians specialized exclusively in diesel systems — not a general shop wearing a diesel hat.

Fast Turnaround

We respect your time. Same-day diagnostics, rapid estimates and efficient repairs to minimize your downtime.

Fair Pricing

Upfront estimates with no hidden fees. We explain every job before we do it — you always know what you're paying for.

Always Reachable

Questions? Updates? You'll always reach a real person. We keep you informed at every step of the repair process.

diesel truck
READY TO MAXIMIZE YOUR
DIESEL'S PERFORMANCE?

Get a free diagnostic quote today. No obligation, no pressure.

Schedule Your Appointment

WHAT OUR CUSTOMERS SAY

"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."

MR
Marcus R.
Ford F-250 Owner · Miramar, FL

"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."

JT
Jason T.
GMC Sierra 2500 · Hollywood, FL

"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."

LM
Laura M.
Fleet Manager · Pembroke Pines, FL

LET'S TALK
DIESEL.

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.

ADDRESS
11864 NW 11th Street
Pembroke Pines, FL 33026
HOURS
Mon – Fri: 8:00 AM – 6:00 PM
Sat: 9:00 AM – 3:00 PM

Get a Free Quote

We respond within 1 business hour. No spam, ever.