Enhance your engine's efficiency with the Holset HE551V CHRA Cartridge, part number 4034042. This CHRA, compatible with the HE551VE Turbo Model, comes with a 1-year manufacturer's warranty, ensuring top-notch quality. Produced by HOLSET, it is new and designed for various model years. Compatible with ISX engines, it's a reliable option for boosting your engine's performance.