The T420 T420i Graphics Heatsink CPU Cooler Fan is designed to enhance the cooling efficiency of your laptop, ensuring optimal performance during demanding tasks. Compatible with models 04W0408, 04W0410, and 0A66707, this high-quality replacement component effectively dissipates heat, prolonging the lifespan of your device. Its robust construction and precise engineering guarantee a reliable fit and quiet operation, making it an essential upgrade for maintaining system stability and performance. The item may have some signs of cosmetic wear, but is fully tested, operational and functions as intended. Pictures are representative of the item, but may not be exact unit received. We Appreciate Your Business.