Check the listing for details. 270-1528 O-ring Box Seal Kit For Caterpillar Excavator Hydraulic 570pcs 32 types. Condition: New, Made in China. Listed at 129.00 USD. The GIANT Seal Kit O-ring Box 270-1528 is a high-quality replacement part specifically designed for Caterpillar excavators. Made of durable nitrile material, this seal kit is manufactured in China by the trusted brand GIANT. It provides the necessary seals and O-rings for your heavy equipment, ensuring optimal performance and longevity. Ideal for maintaining your excavator's operating system, this kit is a reliable and essential component for any construction site or industrial setting.The GIANT Seal Kit O-ring Box 270-1528 is a high-quality replacement part specifically designed for Caterpillar excavators. Made of durable nitrile material, this seal kit is manufactured in China by the trusted brand GIANT. It provides the necessary seals and O-rings for your heavy equipment, ensuring optimal performance and longevity. Ideal for maintaining your excavator's operating system, this kit is a reliable and essential component for any construction site or industrial setting.