5D5957 O-Ring for Caterpillar Equipment — SKU 5D5957

The 5D5957 is a standard O-ring seal for Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The seal is intended for high-temperature sealing applications involving air, fuels, lubricants and hydraulic fluids.

Fitment

• Equipment manufacturer: Caterpillar
• Equipment type: heavy equipment using a standard O-ring with SAE AS568 dash size -243
• Specific Caterpillar machine models are not specified in the available product data.

Specifications

Fluid and Chemical Compatibility

The O-ring material is specified as compatible with the following media and chemical groups:

• Diester lubricants
• Halogenated hydrocarbons above 100 °C
• Petroleum fluids
• Phosphate ester fluids
• Silicone fluids
• Some acids
• Air, fuels, lubricants and hydraulic fluids in high-temperature applications

The material is specified as highly resistant to compression set. Compatibility is not specified for the following media:

• Amines
• Brake fluids
• Engine coolant
• Fire-resistant fluids
• Ketones
• Steam
• Water

Cross-reference numbers

No additional equipment-manufacturer or supplier part numbers are specified in the available product data. The dimensional designation associated with this seal is SAE AS568 dash size -243.