Diesel Repair and Upgrades

Repairs
At G3 Transmission and Diesel we handle everything from basic diesel maintenance to complete driveline and engine diagnostics. Our team specializes in light duty diesel trucks including Duramax, Power Stroke, and Cummins platforms. We provide fuel system repairs, turbo replacements, emission system solutions, and performance upgrades built for real work. Whether you need reliability for towing or want to add power and efficiency we use trusted parts and precision craftsmanship to keep your truck running strong.
Performance Upgrades
At G3 Transmission and Diesel we help truck owners unlock real power and reliability through proven performance upgrades. From custom tuning and turbo upgrades to improved fuel delivery and transmission enhancements every build is tailored to match your goals. We focus on safe and reliable horsepower that works on the road or at the track using quality parts and precise calibration. Whether you want stronger towing performance quicker throttle response or more efficient power delivery we build diesel setups that perform and last.


Emissions Repair
At G3 Transmission and Diesel we specialize in diagnosing and repairing diesel emission systems the right way. Our technicians understand modern DPF EGR and SCR systems inside and out ensuring your truck runs clean efficient and within compliance. From regen issues and sensor faults to clogged filters or derate conditions we use factory level diagnostics and quality parts to get you back on the road fast. Whether it is a light duty pickup or a fleet truck we focus on fixing the root cause not just clearing the code.
