Keep your vehicle's cabin comfortable with this premium heater core designed specifically for ISUZU NRR NPR NPR-HD NQR models from 1994-2007 with 4HE1 4.8L , 4HK1 5.2L and Gas engines. This robust heat exchanger features precision-engineered aluminum fins and tubes for optimal heat transfer, ensuring consistent warmth throughout your truck's interior during cold weather. The unit comes complete with inlet/outlet pipes and mounting brackets for straightforward installation. The durable construction includes foam insulation to prevent heat loss and protect surrounding components. This replacement heater core matches the original equipment specifications for perfect fitment and reliable performance. Regular maintenance of your heating system, including timely replacement of the heater core when needed, helps maintain proper cabin temperature control and prevents coolant leaks.