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The Exergy PRV plug with O-ring fits the PRV port on 6.7L Cummins variants LLY, LBZ and LMM and is supplied for diagnostic use. It installs into the PRV opening with the included O-ring to seal the port during pressure checks or temporary diagnostic procedures, providing a reusable seal while testing without changing the valve itself.
Exergy 6.7L/LLY/LBZ/LMM PRV Plug w/O-Ring (Diagnostic Purposes Only)
