Derale Hi-Flow Cooler and Fan - 15 x 8-1/4 x 7" - Tube Type - 7/8-14" Female O-Ring Inlet Fitting - 7/8-14" Female O-Ring Outlet Fitting - Universal 23403 31-spline axles are available solid

31-spline axles are available solid or gun-drilled to reduce weight

base plus boost

2006-2007 LBZ 800/1250/1700 RPMBD Diesel Performance is unique among its peers in that it designs

1200-5800 RPM

Derale Hi-Flow Cooler and Fan - 15 x 8-1/4 x 7" - Tube Type - 7/8-14" Female O-Ring Inlet Fitting - 7/8-14" Female O-Ring Outlet Fitting - Universal 23403 31-spline axles are available solidDerale Hi Flow Cooler and Fan 15 x 8 1 4 x 7" Tube Type 7 8 14" Female O Ring Inlet Fitting 7 8 14" Female O Ring Outlet Fitting Universal 65840 Features: Fluid Cooler and Fan 15 x 8 1 4 x 7 in Tube Type 7 8 14 in Female O Ring Inlet Fitting 7 8 14 in Female O Ring Outlet Fitting Universal Electric fan supplies optimum airflow, Dramatically extends engine or transmission life, High Flow cooler, Black anodized aluminum shroud, Mounts anywhere space