Optimize your CAT engine's performance with this 10.3L D339B, D379B, 3306 Turbo CHRA, Part number 178257. Designed for the 4LF Turbo Model, it comes with a 1-year manufacturer's warranty, ensuring its high quality. Made by BORGWARNER, this new CHRA is suitable for various model years and is compatible with engines such as 10.3L 3306, D339B, and D379B. Cross-reference numbers include 0R5925 and 1000070033, ensuring a perfect match for your engine.