CATUndercarriage

203-7343 Bucket Linkage Bushing — Cat Excavator 330C

This is a bucket linkage bushing, a vital wear item that facilitates smooth articulation and pivot action within the excavator's bucket and arm linkage system. Manufactured to meet OEM quality standards, it offers superior resistance to abrasion and deformation compared to worn bushings that cause binding and excessive play. Operators may notice increased play in the bucket linkage, difficulty in precise bucket control, or audible clunking noises during operation when this bushing fails.

Bucket Linkage Bushing – Part No 203-7343 – CAT Spare Part
Part Specifications
BrandCAT
CategoryUndercarriage
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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

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

Part TypeBucket Linkage Bushing
MaterialHardened steel or bronze alloy
ApplicationExcavator bucket and arm linkage
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing bucket linkage bushing is often increased looseness or 'play' in the bucket's movement, leading to less precise control. If ignored, the wear will worsen, potentially causing damage to the linkage pins and bores, and resulting in significant operational noise and reduced digging efficiency. Continued use with worn bushings can lead to premature failure of the entire linkage system, requiring extensive repairs.

Installation Tip

Ensure the linkage bores are clean and free of debris before pressing in the new bushing. Avoid using excessive force or improper tools, which can damage the bushing or the surrounding linkage.

Service Note

Inspect bucket pins, linkage arms, and hydraulic cylinder rod ends for wear and damage when replacing the bucket linkage bushing.