Description:

This set of 4 hydraulic adjuster lifters improves vehicle performance by automatically adjusting valve clearance for stable and quiet engine operation.

• Vehicle Fitment
  2008 to 2009 Buick Allure and LaCrosse
  2009 to 2012 Cadillac Escalade
  2007 to 2012 Chevy Avalanche, Silverado 1500, Suburban 1500, and Tahoe
  2011 Chevy Caprice
  2009 Chevy Express 2500 and 3500
  2007 to 2009 Chevy Impala
  2007 Chevy Monte Carlo
  2009 GMC Savana 2500 and 3500
  2007 to 2012 GMC Sierra 1500, Yukon, and Yukon XL 1500
• Reference Numbers
  12569256, 12571595, 12639516, HL177, HL178, 12619820, HT 2303
• Key Features
  Eliminates the need for mechanical clearances in the engine valvetrain
  Prevents valvetrain damage during thermal expansion
  Supports quiet engine operation
• Technical Specifications
  Quantity 4 pieces
  Material beaded
  Part Number 829476 5206 1721435081
• Dimensions
  Length 2.38 centimeters
  Width 6 centimeters
  Height 8 centimeters