Genuine OEM Kia Brake Booster Seal, part number 5914537010. This essential component creates an airtight seal between the brake booster and its mounting surface, typically the firewall. Its primary function is to maintain the critical vacuum required for the brake booster to provide power assistance to the braking system. Genuine OEM seals are manufactured to precise dimensions and material specifications, ensuring optimal sealing performance and long-term durability against vacuum leaks.