131 NEW 108-5803 Caterpillar O-ring ? Genuine CAT #131 NEW/OEM Quantity: 1 (Sold Individually / Price Is Per Each) Manufacturer: Caterpillar CAT Condition: Excellent New Part Number: 108-5803 BLACK Applications: High pressure, high temperature applications requiring resistance to air, fuels, lubricants and hydraulic fluids; ORFS, STORS seals Coating: None Compatible With: Diester lubricants; Halogenated hydrocarbons (above 100 Deg. C); Highly resistant to compression set; Petroleum fluids; Phosphate ester fluids; Silicone fluids; Some acids Cross Section Diameter (in): 0.06 Dash Size (in): 903 Inside Diameter (in): 0.3 Material: FKM (90), FKM - Fluoroelastomer Material Description: FKM provides superior performance in most applications, including Air, Engine Oil, Diesel Fuel, Hydraulic Oil, Automatic Transmission Fluid and Biodiesel. Most FKM formulations should not be used with Coolant/Urea. FKM is effective in high temperatures, and has good abrasion and cut resistance. Not Compatible With: Amines; Brake fluids; Engine Coolant; Fire Resistant Fluids; Ketones; Steam; Water Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image. Temperature (F): -40 ? 350