IPR Lock Nut
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Spare IPR Lock Nuts. Loose IPR nut can allow the solenoid to move freely causing false signal of injector oil pressure. This can result in stalls when going over bumps, rough idle, and low power. Applications: Ford 7.3L (94-2003) International 444e (94-2003) International DT466/DT530 New IPR and Rebuilt IPR's from Dieselsite come with these Lock Nuts installed.