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The included adjustable air pressure regulator allows fine-tuning (0–50psi)
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Give your SuperDuty a custom look with a Royalty Core RC1 classic grille
PPE Heater Inlet Hose 20-26 GM 6.6L Duramax L5P PPE-314030400 The included adjustable air pressureNeed a more durable replacement for the factory heater core supply hose on your L5P Duramax? The PPE Inlet Heater Core Supply Hose Kit is designed to replace the weak factory rubber hose with a heavy duty silicone upgrade built to handle the extreme heat and pressure cycles common in diesel trucks. Over time, factory hoses can dry out, crack, or become brittle, especially on trucks that see heavy use. This upgraded hose kit helps improve long term
