This idler pulley is designed to perfectly fit DCEC Cummins Engine models ISDe and ISBe. It is a reliable and durable replacement part with the OE/OEM part number 3978324. The brand of this idler pulley is DCEC and it is manufactured in China. It is a vital component in the engine's accessory belt system, ensuring smooth and efficient operation. This idler pulley is suitable for a range of vehicles and will help to maintain the proper tension and alignment of the accessory belt. Trust in the quality of this replacement part to keep your engine running smoothly.
Supersedes:4990020 3933395