The 4PK1770 Micro-V Ribbed Belt is a high-quality auxiliary drive belt designed to power components like the alternator in various vehicles. Measuring 1770 mm in length with 4 ribs, it is made from durable EPDM rubber reinforced with polyester cords, offering excellent resistance to heat, wear, and cracking. This belt ensures quiet operation and reliable performance, even in high-mileage engines. It is commonly used in vehicles such as the Toyota Yaris (1999–2005) and Lexus LS 500h (2017 onward), providing a precise fit and long service life. Brands like Gates and Dayco manufacture this belt to OE standards.