Weistec Billet Oil Filter Cap, M157 M278



The Weistec Engineering Billet Oil Filter Cap for the M157 and M278 BiTurbo engines is designed as a direct replacement for the plastic OEM cap.

The Billet Oil Filter Cap is installed in the exact same manner as the OEM cap, using the same O-Ring that comes supplied with new oil filters.  

Key Features:

  • CNC machined 6061 aluminum

  • Anodized Red or Black

  • Direct replacement/bolt in for M157 and M278 Biturbo engines

  • Utilizes factory O-Ring