CATEngine Parts

2773013 Seal — Cat 120M 12M

This is a Seal, designed to prevent leakage of fluids or ingress of contaminants within various machine systems, such as hydraulic or engine compartments. It is manufactured from durable materials to withstand operational pressures and temperatures, ensuring a tight seal where a worn or damaged seal would lead to fluid loss or contamination. Operators may observe visible fluid leaks, a drop in system pressure, or contamination within the fluid if this seal fails.

Seal – Part No 2773013 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

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.

Part TypeSeal
MaterialRubber (NBR or similar, inferred)
ApplicationVarious machine systems (e.g., hydraulic, engine)
Service LifeReplace as needed, typically during component service
Compatibility120M, 12M, 2470C, 320D GC, 320D L
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first sign of a failing seal is typically a visible fluid leak around the component where it is installed. If left unaddressed, the leak will likely worsen, leading to a significant loss of hydraulic fluid or lubricant. This can result in system malfunction, component damage due to lack of lubrication, or environmental contamination.

Installation Tip

Ensure the sealing surface is perfectly clean and free of any nicks or burrs before installing the new seal. Never use a sharp object to pry or force the seal into place, as this will damage it.

Service Note

Always clean the housing and mating surfaces thoroughly and inspect for any damage that could compromise the new seal's effectiveness.