DHD 007-0299 LML Duramax PCV Front Cover AN Oil Return Fitting 2011-2016

This plug replaces the factory crankcase vent oil return nipple on all LML Duramax front engine covers. These plugs are perfect for highly modified builds that have altered PCV systems and/or engine re-powers or swaps. This billet plug comes with the required o-ring and new bolt to replace the tamper proof bolt that comes in the cover from factory.

This AN plug is perfect for PCV oil catch can or factory returns/drains. 

Replaces GM Oil Separator PCV Drain Pipe # 12657323.

Replacement O-Ring GM # 12625154.

Features:

• Billet 1pc Construction
• OE fit and O-Ring Seal
• 6AN Inlet
• Includes Hardware