CATEngine Parts

129-7768 Bushing — Cat 3126 3126B

This is a CAT Bushing, a crucial component designed to reduce friction and wear between moving parts within the engine or undercarriage system. Manufactured to meet OEM quality standards, it provides a durable bearing surface that resists abrasion and deformation better than a worn bushing. Signs of failure include excessive play, squeaking or grinding noises, and potential damage to the mating shaft or pin.

Bushing – Part No 129-7768 – 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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Engine Parts Component

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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 TypeBushing
MaterialBronze or Steel Alloy
ApplicationEngine or Undercarriage Pivot
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a worn bushing is often increased clearance or play in the joint it serves, which can manifest as clunking sounds during operation. If left unaddressed, this play can accelerate wear on the mating components and potentially lead to structural damage.

Installation Tip

Thoroughly clean the bore where the bushing will be installed, removing any rust or debris to ensure a snug fit. Press the new bushing in squarely to avoid damaging its surface or the housing.

Service Note

Inspect the corresponding pin or shaft for wear and check adjacent linkages or pivot points for excessive play when replacing a bushing.