Full Floating Axle GM 1973 to present 2500 & 3500. Must check to confirm Full Floating Axle, Ring gear bugle on passenger side of Center, 6 Liter Gas 2500 HD- Holds 6 quarts
All 2008 with NEW STYLE INTERNAL FILTER 6.4 Liter Diesel (5 Speed Torque Shift), V10 Gas with (5 Speed Torque Shift) -Holds 8.3 quarts more fluid than stock pan
*Relieved for cross member*
GM Trucks and Suburbans 1992 to present. Models 1500, 2500, 3500 Trucks, Vans and Motorhomes, 6.0 Liter HD trucks. Holds 4 quarts more fluid than stock pan