5 - 2016 Lgh Express and Savana vans, including cutaways. Oil that lubricates the turbo drains back to the engine through this pipe. When the gasket at the block hardens or the pipe is disturbed during turbo or engine work, it can leak oil down the back of the engine, often mistaken for a rear main or oil pan leak.

A new gasket reseals the connection. It replaces GM 12637218 and the earlier 12629988.

Key Features

• Seals the turbo oil return pipe at the engine block
• Replaces GM 12637218 and earlier 12629988
• Fits LML trucks and Lgh vans, including cutaways

Benefits

• Stops oil leaks at the turbo drain connection on the block
• Restores a proper seal after turbo remova

Details:

• Engine Manufacturer: Duramax
• Liter: 6.6 Liter
• Engine Designation: LGH, LML
• Engine Years: 2010-2016

Applications:

• 2010-2014 Chevy Express Van, GMC Savana Van LGH
• 2011-2014 Silverado/Sierra 2500HD/3500HD LML
• 2016 Silverado/Sierra 2500HD/3500HD LML