Wehrli replacement O-ring for the L5P VGT turbo compressor inlet flange seals the compressor cover inlet on 2017–2024 L5P Duramax turbocharger setups. Offered as the factory-style inlet seal used in multiple WCFab turbo and intake kits, this O-ring is the direct replacement seal for the compressor inlet flange and is supplied individually for DIY turbo and intercooler plumbing projects.
Wehrli WCFab L5P VGT Turbo Flange O-Ring Seal