This drum brake adjusting screw assembly from Dorman is a high-quality replacement part for your car or truck's braking system. With interchange part numbers including H1521-2, 1521K, 1521, H1521DP, 18K496, H67400S, and H921001, you can be confident that it will fit perfectly and function just as well as the original part. Made in China, this assembly has a height of 4.3 inches and a length of 2.9 inches. It is specifically designed for use in drum brake systems and is ideal for those who require a reliable and affordable replacement part. Purchase with confidence knowing that you are getting a top-quality product from a trusted brand.