Radiator Cap for ISUZU NPR NQR 4HE1 4.8L 4HK1 5.2L 6HE1 7.1L 98-24

This heavy-duty radiator cap is specifically designed for ISUZU NPR NQR models with 4HE1 4.8L, 4HK1 5.2L, and 6HE1 7.1L engines from 1998-2024. Built to maintain optimal cooling system pressure at 15 PSI, this cap features a durable metal construction with clear warning labels in both English and Japanese. The cap includes a safety release mechanism to prevent dangerous hot coolant exposure. Its precise engineering ensures proper sealing and pressure regulation for your engine's cooling system, helping maintain ideal operating temperatures. This replacement part matches the original specifications for a direct fit and reliable performance. Remember to only check or replace the cap when the engine is completely cool to ensure safety.

COMPATIBILITY: Designed specifically for ISUZU NPR NQR models with 4HE1 4.8L, 4HK1 5.2L, and 6HE1 7.1L engines from 1998-2024

PRESSURE RATING: Features 15 PSI pressure release valve for optimal engine cooling system protection

SAFETY FEATURES: Includes clear warning label and TRS (Temperature Release System) for enhanced operational safety

CONSTRUCTION: Manufactured with durable metal housing and precision pressure seal for reliable performance

COOLANT CONTROL: Maintains proper coolant pressure and temperature levels in the radiator system for efficient engine operation

OEM

8972391870 / 8971778720 /  8971778721

8972411520 / 8971678540 / 8971480070

8971465160