High volumes of cool oil equate to long transmission life; Pans increase oil capacity; Aluminum construction and heat-dissipating fins keep temperature down; Increased rigidity prevents case twisting; Kit includes a magnetic drain plug and temperature sending unit port; Adds 4.5qt!; Dodge 2008-2013 6.7L 68RFE; Dodge Ram 1500 HEMI 2002-2005 545RFE; Dodge Ram 4.7L 2002-2011 545RFE; Dodge Dakota 4.7L 2000-2004 545RFE; Dodge Durango 4.7L 2000-2003 545RFE; Jeep Grand Cherokee 4.7L 2000-2004 545RFE