Holdwell Solenoid Valve 54385992 IR12V compatible with Ingersoll Rand P400WCU XP375WCU HP330WCU. Replaces part number: 54385992. Compatible with Ingersoll Rand Air compressor P400WCU XP375WCU HP330WCU HP300WCU P185WIR XP185WIR HP330WCU. It is a replacement, not oariginal part. But, it can work well for you.