170-9929 BOOM Cylinder Seal Kit For Caterpillar 311CU Excavator

The 170-9929 BOOM Cylinder Seal Kit is an aftermarket part specifically designed for the Caterpillar 311CU excavator. This seal kit includes all the necessary seals to ensure that the boom cylinder of the excavator remains secure and functional. Made in China, this high-quality aftermarket product is compatible with Caterpillar equipment and is a reliable solution for maintaining the performance of heavy machinery.