Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
Assembly/Valve Cover/Service and Repair/Valve Rocker Arm Lower Cover Replacement - Left Side) or Valve Rocker Arm Lower Cover
Replacement - Right Side (See: Cylinder Head Assembly/Valve Cover/Service and Repair/Valve Rocker Arm Lower Cover Replacement - Right
Side).