Replacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings for the CP3 pump snout and CP3 adapter. Application Notes: Direct replacement for GM part number 97328578 and 97188692 Direct replacement for Sierra/Silverado model years 2001-2010 Direct replacement for CP3 conversion kits on Sierra/Silverado model years 2011-2016
