The bottom part of the oil cup, identified by code number K 12032, is a fundamental component in the lubrication system of the Sulzer ZV40/48 engine. It serves as the reservoir and collection base for lubricating oil, ensuring a consistent supply to moving engine parts. Engineered for durability and resistance to high temperatures and vibration, this part helps maintain oil circulation efficiency and protects critical components from friction and wear. Proper maintenance of the oil cup bottom is essential for smooth engine operation and extended service life.