OEM Cooling Fan for the ENVY x360 15-DS 15-DR TPN-W142 TPN-W143 series laptop, this is the cooling fan for GPU Graphics card, attaches to your existing heatsink. If your PC fan is running very loud or not functioning then a replacement may be needed. The fan uses an integrated flex cable to connect to the motherboard. The cable connects via 4-pin connector making it a plug and play replacement module. Service P/N: L53541-001, L53867-001 Compatible Part Number(s): FLB6 DFS5K12115491H, 023.100F.0001; Spare Part Number(s): L53541-001 Direct Current: DC 5V / 0.5A, 2.5W Power Connection: 4-pin 4-Wires, Wire-to-Board NOTE: The Screw NOt included, Please retain the original screw for the installation of this part. Reference list of compatible with TPN-W142 TPN-W143: ENVY X360 15-DS series: 15-DS1083CL, 15-DS1063CL, 15-DS1010WM, 15-DS0041AU, 15-DR0008CA, 15-DR1010CA, 15-DR1021NR, 15-DS1077NR, 15-DS0003CA, 15-DS0028AU, 15-DS0599SA, 15-DS1003CA, 15-DS0002AU, 15-DS0009NF ... ENVY X360 15T-DR series: 15T-DR000, 15T-DR100 ENVY X360 15M-DR series: 15M-DR0011DX, 15M-DR0012DX, 15M-DR1011DX, 15M-DR1012DX ... ENVY X360 15-DR series: 15-DR0000TU, 15-DR1058MS, 15-DR1010NR, 15-DR3506TU, 15-DR0006TX, 15-DR1008CA, 15-DR1003CA, 15-DR1072MS, 15-DR1066NR, 15-DR1070WM, 15-DR100LA ... ENVY x360 15Z-DS series: 15Z-DS000, 15Z-DS100 ENVY X360 15M-DS series: 15M-DS0023DX, 15M-DS0012DX ...