GM regularly updates production and service part designs to integrate new materials and technologies Regarding the PCV tube, I reused the original straight fitting and installed a new GM elbow (10124635) at the valve cover. Click to expand... I... GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Chevrolet PCV Valve Elbow - Guaranteed Genuine Engine Ventilation Part FORLETOR Positive Crankcase Ventilation PCV Valve V546 Fit GM PCV Valve Elbow GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle Positive Crankcase Ventilation (PCV) Tube 12634302 GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
