CTA Radiator Pressure Adapter for GM/GMC Vehicles

• Designed for the L5P Diesel
  Engine with two tank caps

• Designed to eliminate any chance
  of installing the non-vented cap
  where a vented cap is required

• ​NOTE: Adapter is designed for the
  vented tank with right handed threads

Applications:

• 2017+ Chevrolet Silverado

• 2017+ GMC Sierra w/ Duramax