CATEngine Parts

331-1520 Sleeve Bearing Bushing — Cat 428F2 432F

This sleeve bearing bushing is a vital component within the engine's rotating assembly, designed to reduce friction and wear between moving parts. Manufactured to precise tolerances, it offers superior wear resistance over time compared to a worn or scored bushing. Operators may notice increased engine noise, oil pressure fluctuations, or reduced engine performance when this part begins to fail.

Sleeve Bearing Bushing – Part No 331-1520 – 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 TypeSleeve Bearing Bushing
MaterialBronze alloy
ApplicationEngine rotating assembly
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing bushing include a distinct knocking or tapping sound from the engine, especially under load. If left unaddressed, this can lead to significant oil pressure drops and accelerated wear on critical rotating components. Continued operation risks severe engine damage.

Installation Tip

Ensure the new bushing is properly lubricated with clean engine oil before insertion to prevent initial scoring. Verify that oil passages feeding the bushing are completely clear of any obstructions.

Service Note

Inspect the corresponding shaft for scoring or wear, and clean all oil passages thoroughly.