This fan clutch is specifically designed for ISUZU NRR NPR NPR-HD NQR models with 4HK1 5.2L engines from 2004-2007. Featuring precision-engineered aluminum construction, this GoTrucky replacement part ensures optimal engine cooling performance. Compatible with OEM part number 8973673820. The robust construction and carefully calibrated engagement mechanism help maintain proper engine operating temperatures while maximizing fuel efficiency. Backed by a 1-year manufacturer warranty, this fan clutch is an ideal replacement part for maintaining your ISUZU truck's cooling system performance.