This is a 69x82mm lip seal designed for CAT engines and equipment. Its primary function is to prevent the leakage of lubricants or fluids and to exclude contaminants from critical engine components. A worn or damaged lip seal will typically manifest as visible fluid leaks or the presence of dirt and debris around the sealed area.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The first indication of a failing lip seal is usually a visible fluid leak (oil or grease) from the sealed component. If left unaddressed, the leak will worsen, potentially leading to lubricant starvation and increased wear on the shaft and bearing. Continued operation with a compromised seal can result in component failure and costly repairs.
Always lubricate the lip of the seal and the shaft with the appropriate lubricant before installation to prevent tearing. Ensure the seal is installed squarely and not cocked, which can lead to premature failure.
When replacing a lip seal, inspect the shaft for scoring or wear that could compromise the new seal's effectiveness.