CATBearing & Bushing

8a2251 Liner — Cat 120g 214

This is a high-quality liner designed to provide a precise sealing surface for pistons within the engine cylinder. It is manufactured to meet stringent OEM standards, ensuring superior wear resistance and optimal performance compared to a worn or damaged liner. Operators may notice a loss of engine power, increased oil consumption, or visible smoke from the exhaust when a liner begins to fail.

Liner – Part No 8a2251 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBearing & Bushing
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

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeEngine Cylinder Liner
MaterialCast Iron
ApplicationEngine Cylinder Block
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing liner include a noticeable decrease in engine power and increased exhaust smoke. Continued operation will lead to escalating oil consumption and potential blow-by past the piston rings. Ignoring these symptoms risks cylinder wall scoring and potential engine seizure.

Installation Tip

Ensure the cylinder block deck is perfectly clean and free of any debris or old gasket material before installation. Avoid using excessive force when seating the liner, as this can damage the liner flange or the cylinder block.

Service Note

Always inspect the corresponding piston and piston rings for wear when replacing a cylinder liner.