San Antonio, Texas
Diesel power.
Built right.
High-Performance Diesel & Automotive
San Antonio's premier shop for diesel diagnostics, engine builds, turbo systems, and custom fabrication.
New knowledge center
Truck won't start? Start with facts.
Use our diesel troubleshooting guides to test the basics before the parts cannon starts firing.
After-Hours & Emergency Service
24/7 Mobile Diesel Roadside Service
Shop hours: Monday–Friday, 9:00 AM–4:00 PM. Mobile diesel roadside dispatch is available 24/7; technician availability and response time are confirmed when you call.
Mobile help for diesel trucks, commercial vehicles, heavy equipment, RVs, and generators in San Antonio and surrounding areas.
What We Do
Full-service performance shop — diagnostics to fabrication
Diesel Diagnostics
Advanced CAN bus and electrical diagnostics for diesel engines. Root cause analysis, not guesswork.
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Engine Builds
Custom high-performance builds from mild street to full competition. Properly engineered from the block up.
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Custom Fabrication
TIG welding, custom exhaust, roll cages, turbo manifolds — if it can be welded, we build it.
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CAD & 3D Scanning
Reverse engineering, precision modeling, and 3D printing for custom parts and product development.
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Performance Tuning
Custom tuning on most platforms. Fuel maps, boost curves, and drivability dialed in.
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3D Printing
Rapid prototyping and production parts. From concept to physical component in hours.
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Motorsports Support
Race preparation, fabrication, diagnostics, and custom race engineering tools. Supporting independent teams on the track and the open road.
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San Antonio, Texas · 915 Industries
Real work.
Measured results.
Hands-on diagnostics. Precision engineering. The people and process behind your next repair or build.
Get to know 915Why 915 Industries
Root Cause First
Diagnose before replacing. We find the actual problem, not just the symptom.
Full In-House
Diagnostics, machining, fabrication, tuning, 3D scanning — all under one roof.
Performance Proven
From daily drivers to competition rigs. We build power you can trust.
Tech Forward
CAD modeling, 3D scanning, AI-assisted workflows. Modern tools, old-school work ethic.