This Seal Kit is designed specifically for the Komatsu PC18MR-2 MR-3 excavator, ensuring a perfect fit and reliable performance. Made by an aftermarket brand in China, this seal kit provides high-quality components to maintain the idler cushion track adjuster cylinder in optimal condition. With compatibility tested for Komatsu equipment, this Seal Kit is a crucial part for heavy equipment maintenance and ensures smooth operation of the excavator.