Genuine Caterpillar 109-0077 SEAL O RING

SPECIFICATIONS
Applications: Automotive air conditioner seals; High temperature flex boot seals; High temperature power steering seals; Higher temperature hydraulic seals; Middle cylinder liner seals
Coating: PTFE - Polytetrafluoroethylene
Compatible With: Abrasion resistant; Diesel fuels; Diester lubricants; Ozone; Petroleum oils, greases; Refrigerant HFC - 134a (Non-Freon); Silicone fluids; Steam; Water base engine coolants
Cross Section Diameter (in): 0.21
Dash Size (in): 345
Inside Diameter (in): 3.98
Material: HNBR - Hydrogenated Nitrile, HNBR (78)
Material Description: HNBR provides excellent abrasion and cut resistance. It works well with Air, Engine Oil, Diesel Fuel, Hydraulic Oil and Automatic Transmission Fluid applications. Some formulas may be used with Coolant/Urea. Do not use with Biodiesel.
Not Compatible With: Aromatic and oxygenated gasolines; Automotive and aircraft brake fluids; Chlorinated hydrocarbons; Ethers; Ketones; Phosphate ester fluids
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Primary Sealing Material: Rubber
Seal/O-Ring Type: Standard
Temperature (°F): -40° - 275°