Diesel Engine Services We Offer
✅ Engine Diagnostics & Troubleshooting
Using advanced diagnostic tools, we accurately identify performance issues, warning lights, and engine faults for Power Stroke, Duramax, Cummins, and more.
✅ Routine Diesel Maintenance
Keep your engine running strong with scheduled oil changes, fluid checks, filter replacements, and preventative care to extend engine life and reduce costly repairs.
✅ Turbocharger Service & Repair
We inspect, clean, rebuild, or replace your diesel turbo system to restore lost power and fuel efficiency.
✅ Fuel System Services
From injector cleaning to pump replacements and DEF system repairs, we ensure your diesel fuel system delivers maximum performance.
✅ Diesel Engine Rebuilds & Overhauls
Need a full rebuild? We disassemble, inspect, and restore your engine using OEM or high-performance parts, giving your truck a second life.
✅ Cooling & Exhaust System Repairs
Overheating or emissions issues? Our team diagnoses and repairs radiators, EGR valves, exhaust leaks, and DPF systems.
✅ Transmission & Hydraulic Services
We provide diesel transmission repair, fluid changes, and hydraulic system troubleshooting for commercial and off-road vehicles.
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Diesel Parts & Performance Upgrades
At Southeast Diesel, we stock and install a wide range of OEM and aftermarket diesel engine parts:
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Fuel injectors
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Sensors and filters
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Turbochargers
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DEF systems
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Glow plugs, starters, alternators
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EGR and DPF components
Looking for more power? We also offer diesel performance upgrades, including tuner installs, turbo enhancements, cold air intakes, and exhaust modifications to boost horsepower and torque.
Need Diesel Parts Fast?
We provide parts ordering and installation services for commercial fleets, individual owners, and diesel repair pros. Whether you're maintaining your work truck or modifying for performance, we’ve got the right part—at the right price.
Why Choose Southeast Diesel?
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✅ ASE-certified diesel mechanics
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✅ Transparent pricing & honest advice
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✅ Fast turnaround & reliable service
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✅ Chattanooga-based & locally owned
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✅ Custom work & diesel upgrades available
📍 Serving Chattanooga and Beyond
Conveniently located in Chattanooga, TN, Southeast Diesel serves customers across the Southeast, including North Georgia, East Tennessee, and surrounding areas.
Schedule Your Diesel Service Today
Call now or book online to experience professional diesel engine service with Southeast Diesel. Whether it's routine maintenance or major engine work—we're the team you can trust to keep your diesel running strong.
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