Genuine OEM Volvo Serpentine Belt, part number 30757007. This belt drives multiple peripheral devices in the engine. It is a critical component for engine accessory function. The belt has a length of 0.5851m and a width of 0.16561m. Genuine OEM belts are manufactured to exact specifications for proper tension and durability, ensuring reliable operation of accessories like the alternator, power steering pump, and air conditioning compressor.