CATBearing & Bushing

7Y3546 Link — Cat 322B L 322C

This is a CAT Link, a critical component within the undercarriage system that connects track components to ensure proper articulation and load distribution. It is manufactured to meet stringent OEM standards, offering superior durability and wear resistance compared to a worn or failed link that may exhibit cracks or excessive play. Operator symptoms of a failing link include unusual clanking noises from the undercarriage, track instability, or visible damage to the track chain.

Link – Part No 7Y3546 – 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 TypeTrack Link
MaterialHardened Steel Alloy
ApplicationUndercarriage System
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing link is often an audible clanking or popping sound from the undercarriage during operation. If ignored, the wear will progress, leading to increased track looseness and potential derailment. Continued operation with a compromised link can result in severe damage to other undercarriage components and unplanned downtime.

Installation Tip

Ensure all mating surfaces on the track chain are clean and free of debris before attempting installation. Do not force the link into position; it should align smoothly with the adjacent components.

Service Note

Inspect adjacent track links, pins, and bushings for wear and damage during replacement.