Caterpillar 100.97mm Inside Diameter Seal O-Ring | 1090077

Description

The Caterpillar O-Ring, 109-0077, is designed to seal the Oil Cooler on various Caterpillar engines. Caterpillar seals are designed to hold tight tolerances to ensure proper fitment. Making sure your seals are replaced protects the more expensive parts of your engine from wear. Keep your engine protected with Genuine Caterpillar seals.

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Features

• Cross Section Diameter (in): 0.21
• Inside Diameter (in): 3.98
• SAE AS568 Dash Size: -345
• Outside Diameter (in): 111.63
• Hardness (Shore A): 78
• Color: Orange
• Material: HNBR (78),HNBR - Hydrogenated Nitrile,HNBR
• Material Description: HNBR rubber is capable of service temperatures of -40 to 115C and is resistant to fuel, oils, lubricants and offers good abrasion and cut resistance.
• Coating: PTFE coating protects the O-Ring from installation damage and provides ease of assembly.
• Color Notes: Actual o-ring color may differ from image.
• Notes: Dimensions and material descriptions provided for reference only.
• Applications: Automotive air conditioner seals; High temperature flex boot seals; High temperature power steering seals; Higher temperature hydraulic seals; Middle cylinder liner seals
• Not Compatible With: Aromatic and oxygenated gasolines; Automotive and aircraft brake fluids; Chlorinated hydrocarbons; Ethers; Ketones; Phosphate ester fluids
• Compatible With: Abrasion resistant; Diesel fuels; Diester lubricants; Ozone; Petroleum oils, greases; Refrigerant HFC - 134a (Non-Freon); Silicone fluids; Steam; Water base engine coolants
• Dash Size (in): 345
• Temperature (°F): -40° - 275°
• Seal/O-Ring Type: Standard
• Primary Sealing Material: Rubber