22175E Ring Kit, A518/A618 1990‑Up is a sealing ring kit designed for Chrysler-family automatic transmissions, specifically the A518 (46RH/46RE) and A618 (47RH/47RE) models produced from 1990 onward. These kits include the necessary internal sealing rings used during rebuilds or repairs to restore proper sealing surfaces inside the transmission, helping prevent fluid leaks and maintain hydraulic pressure for reliable shifting performance. It’s a basic service part often used when overhauling or refreshing these 4-speed automatic transmissions.