Replacement CPU Cooler Fan & Heatsink for X1 (2nd / 3rd) — Fits 01AX999, 01AX830, 01AY918, 01AY917

Replacement CPU cooling fan with heatsink designed for X1 2nd and 3rd models. This assembly is compatible with part numbers 01AX999, 01AX830, 01AY918 and 01AY917, providing a direct-fit option for units requiring a swap of the original cooler components.