jvespey 0 Report post Posted May 11, 2015 Recently damaged the pulley during an attempt to remove it from the pump and in the course of finding a replacement learned that the GM part number had changed: Number on the pulley - 14023174-DC New number - 14084343 but discontinued by GM and available from Dorman as 300-121 for about $25 from Rock Auto. Quote Share this post Link to post Share on other sites