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The Exergy PRV port-to-female M18x1.5 fitting adapts the pressure relief valve port on 6.7L Cummins variants LLY, LBZ, and LMM to a female M18x1.5 thread. It’s intended for diagnostic, repair or modification tasks where a proper threaded connection is required for the PRV port, preserving correct port interface without altering the valve itself.
Exergy 6.7L/LLY/LBZ/LMM PRV Port to Female M18x1.5
