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Caterpillar 321C Pin/Bush Kit – Tracked Excavator Repair Kit

Compatible with:
Caterpillar 321D
Probably 3-5 days of delivery time
Aftermarket
Premium Quality
Personal Consultation
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First select the assembly group, then the exact position on your machine

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Compatibility

Caterpillar
Caterpillar 321D
Description

Caterpillar 321C Pin and Bushing Kit – Repair Kits by Position

The Caterpillar 321C pin and bushing kit is designed for targeted repair of individual bearing points on the boom, dipper arm, and bucket linkage.

The kits are suitable for serial numbers KCR and MCF. For clear identification, please compare the serial number and position number with the spare parts drawing.

Advantages of the Repair Kits

  • Perfect fit for Caterpillar 321C
  • Position-specific replacement instead of costly complete overhaul
  • Reduces play and minimizes consequential damage to bearing points
  • High-quality bushings, pins, and seals for professional workshop use
  • Ideal for maintenance, repair, and sustainable value retention

Scope of Delivery per Position

Position 01 · Boom Cylinder
Kit Contents: 2 bushings, 4 seals, 2 pins
Position 04 · Boom Cylinder
Kit Contents: 2 bushings, 4 seals, 1 pin
Position 05 · Dipper Arm Cylinder
Kit Contents: 1 bushing, 2 seals, 1 pin
Position 06 · Dipper Arm Cylinder
Kit Contents: 1 bushing, 2 seals, 1 pin
Position 08 · Dipper Arm
Kit Contents: 1 bushing, 2 seals, 1 pin
Position 09 · Bucket Cylinder
Kit Contents: 2 bushings, 2 seals, 1 pin
Position 10 · Bucket
Kit Contents: 2 bushings, 2 seals, 1 pin
Position 11 · Bucket Link
Kit Contents: 2 bushings, 4 seals, 1 pin
Position 11A · Bucket Cylinder
Kit Contents: 1 bushing, 2 seals
Position 12 · Bucket
Kit Contents: 2 bushings, 2 seals, 1 pin
Position 01 · Boom Cylinder
Kit Contents: 2 bushings, 4 seals, 2 pins
Position 04 · Boom Cylinder
Kit Contents: 2 bushings, 4 seals, 1 pin
Position 05 · Dipper Arm Cylinder
Kit Contents: 1 bushing, 2 seals, 1 pin
Position 06 · Dipper Arm Cylinder
Kit Contents: 1 bushing, 2 seals, 1 pin
Position 08 · Dipper Arm
Kit Contents: 1 bushing, 2 seals, 1 pin
Position 09 · Bucket Cylinder
Kit Contents: 2 bushings, 2 seals, 1 pin
Position 10 · Bucket
Kit Contents: 2 bushings, 2 seals, 1 pin
Position 11 · Bucket Link
Kit Contents: 2 bushings, 4 seals, 1 pin
Position 11A · Bucket Cylinder
Kit Contents: 1 bushing, 2 seals
Position 12 · Bucket
Kit Contents: 2 bushings, 2 seals, 1 pin

Matching Model

Caterpillar 321C

Note

The repair kits are position-specific and not interchangeable. For reliable assignment, it is recommended to cross-reference with the spare parts drawing and the machine's serial number.

View all Caterpillar spare parts