Dingli 666PCS O-Ring Kit

This 666-piece O-ring assortment kit is engineered for hydraulic system sealing on Sumitomo excavators. The kit contains 42 distinct metric sizes ranging from 3.8 mm ID x 1.9 mm CS to 47.70 mm ID x 3.50 mm CS, manufactured from NBR (Nitrile Butadiene Rubber) with 90 Shore A hardness for high-pressure hydraulic oil resistance. Designed as a comprehensive field repair solution for models including SH60, SH75, SH100, SH120, SH200, SH300, and LS2800 series. Each size is individually compartmentalized in a durable plastic case for rapid identification and inventory management. Material complies with standard industrial NBR specifications for temperature range -30°C to 120°C and mineral oil compatibility.