2016-2019 Cadillac ATS V 3.6L V6 LF4 VIN: Y. 2013-2015 Cadillac ATS 3.6L V6 LFX VIN: 3. Notes: Power Brake Booster Vacuum Pump Bolt -- New; Quantity Required Varies by Application; M6X1X40. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle.
