Part number S8581-AP400 (or S8581AP400) is an original front brake pad kit (Pad Kit / Pad Assy Kit) manufactured by Hyundai / Mobis in collaboration with Alcon for sports brake equipment. Detailed part information: Part Type: Front Brake Pad Kit. Manufacturer / Source: Hyundai / Kia OEM (Mobis) - Made in South Korea. Category / Fitment: Alcon Brake System (Alcon Performance Brake Package). Compatibility and Models (Fitment): This part is primarily used in models equipped with the sports brake package (Alcon) for the following vehicles: 1. Hyundai Palisade: Models 2018 - 2024. 2. Hyundai Santa Fe TM: Models 2018 - 2021. 3. Kia Mohave The Master - HM: First generation (2019 and above).