Will this fit?
2020-current Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax Select the exact Cognito GM HD kit by platform, drivetrain, trim exclusions, shock package, control-arm package, and wheel/tire plan.
2020-current Chevrolet Silverado HD 2500HD LT 4x4 Crew Cab Select the exact Cognito GM HD kit by platform, drivetrain, trim exclusions, shock package, control-arm package, and wheel/tire plan.
2020-current GMC Sierra HD 2500HD SLT 4x4 Crew Cab Select the exact Cognito GM HD kit by platform, drivetrain, trim exclusions, shock package, control-arm package, and wheel/tire plan.
What to verify
Use the row to compare lift-kit families by truck, then choose the exact SKU from the seller selector.
Prefer Amazon, Walmart, and eBay when exact identity and seller terms are comparable.
Keep specialty sellers visible when they provide better fitment context or exact application guidance.