Genuine OEM Audi Brake Caliper Guide Pin, part number 420698269B. This component is essential for securely mounting and guiding the brake caliper, allowing it to slide correctly during braking operations. It plays a crucial role in maintaining consistent brake performance and preventing uneven pad wear. This guide pin measures approximately 0.1 meters in length and weighs about 0.062 kg. Using a genuine OEM guide pin ensures the correct material strength, precise dimensions, and proper surface finish for smooth caliper movement and reliable braking system function.