383 Pieces O Ring Assortment Set Air Conditioning System Seal Kit 4138938 Replacement for Hitachi EX Excavator

Features

1、Perfect Fitmen: According to the original factory specifications, O rings reference OE number is 4138938. Wonderful replacement for Hitachi EX excavator.
2、Wide Application: Used in pipelines, machinery, hydraulic and pneumatic maintenance, faucets, garages, workshops, automobiles, doors and windows, electrical appliances, bearings, pumps, etc.
3、Premium Material: Hydrogenated Nitrile Butadiene Rubber (HNBR), also known as Highly Saturated Nitrile Butadiene Rubber (HSN), is a special class of Nitrile Butadiene Rubber (NBR) that can meet application temperatures between ‑45 degrees Celsius and 165 degrees Celsius.
4、High Oil Resistance: Resistant to heat, low/high temperatures, air, water, petroleum products, mineral and hydraulic oils, natural gas, kerosene, silicone oils, non aromatic fuels and solvents for long lasting reliable service.
5、Complete Seal Kit: The seal kit contains o rings of various sizes, 383 pieces in total, neatly sorted and comes in a plastic case for easy portability, easy to use.

Package List

1 x Rubber O Rings Kit

1 x Storage Box