About SWP Diesel Performance

Based in Casper, Wyoming, we service diesel and gas trucks—from daily drivers to hard-working fleets. Our focus is straightforward: quality workmanship, clear communication, and fast turnaround you can count on.

• Full-service diagnostics & maintenance (diesel & gas)
• Brakes, suspension, steering, and driveline
• Transmission service & repair
• Performance parts & upgrades
• Fleet maintenance programs
• Local shop • 7 service bays • Casper, WY