Keep your Lexus running smoothly with this genuine OEM drive belt. Part number 90080-91239 is the exact belt your vehicle left the factory with, so you know it’ll fit perfectly and last. It drives accessories like the alternator, power steering pump, and A/C compressor. Over time, belts crack, glaze, or stretch—replacing yours prevents breakdowns and keeps all systems working right. Installation is usually straightforward if you’re comfortable under the hood; otherwise, any shop can handle it. Don’t risk a snapped belt leaving you stranded. Stick with OEM quality for peace of mind.