Lisle 43580 Short Spanner Holding Wrench 43850 is a double-sided tool that fits GM gas engines 2000 and newer, Jeep and Dodge 2000 and newer Except 2009 and newer Hemi. 43840 works on 2009 and newer Dodge Hemi. 43860 fits 2001 - 2013 GM Duramax diesels. 43870 works on 2011 and Newer Ford 6.7L diesels. 43890 fits all sizes of bolt on water pump pulleys and uses a unique cam design to hold the pulley by trapping one of the bolt heads.