SKU: JD61765
Trim level and powertrain change the numbers that matter: torque specs, wiring, fluid capacities, part numbers. A generic Sierra 2500 HD guide gets you close. This is the documentation for your exact 2025 GMC Sierra 2500 HD Denali, not a nearby approximation.
The 2025 GMC Sierra 2500 HD Denali, 6.6L V8 (7) L8T GAS FI, has its own OEM-Authorized documentation set. Jayda pulls it from GMC's source: component locations, diagnostic procedures, wiring schematics, labor times, fluid specifications, OEM part numbers, torque specs, TSBs, and recall information specific to this configuration.
The right procedure for this Sierra 2500 HD. Not a platform approximation.
All 12 OEM data features included with Pro Tech, grouped by how you'd actually use them.
