CATBearing & Bushing

4n3994 Bearing — Cat 1673c 3176

This is a high-quality bearing engineered to ensure smooth operation and longevity in engine and drivetrain applications. Manufactured to meet rigorous performance specifications, it offers superior wear resistance and load-carrying capacity compared to a worn bearing. Operators might observe abnormal engine noise, oil pressure fluctuations, or reduced power output as symptoms of a failing bearing.

Bearing – Part No 4n3994 – 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 TypeBearing
MaterialSteel alloy
ApplicationEngine and drivetrain support
Service LifeReplace based on inspection or 2,500-4,000 hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a failing bearing may include a metallic knocking sound from the engine or a subtle decrease in engine performance. As the condition worsens, the noise will become more pronounced, potentially accompanied by oil contamination or overheating. Ignoring these symptoms can lead to severe engine damage and costly repairs.

Installation Tip

Ensure the bearing surfaces and the shaft are meticulously clean and free of any lubricant residue before installation. Never use a hammer to drive the bearing into place; use a proper press or driver tool to apply even pressure.

Service Note

When replacing this engine bearing, it is advisable to inspect the crankshaft or camshaft for any signs of scoring or wear.