Caterpillar 302.5 Pin and Bushing Kit – Repair Kits by Position and Series
The Caterpillar 302.5 Pin and Bushing Kit is a position-specific repair kit for bearing and cylinder points on the boom, lift arm, dipper stick, and bucket.
The kits vary by serial number (4AZ 1–5391, 4AZ 5392–5653, 4AZ 5654 and above) and position number. Please carefully check the serial number and position before ordering.
Scope of delivery per position
Position 00 · Swing cylinder
Series 4AZ 1–5391: 1 bushing, 2 seals, 1 pin
Series 4AZ 5392–5653: 1 bushing, 2 seals, 1 pin
Series 4AZ 5654 and above: 1 bushing, 2 seals, 1 pin
Position 01 · Lift arm cylinder
Series 4AZ 1–5391: 1 bushing, 2 seals, 1 pin
Series 4AZ 5392–5653: 1 bushing, 2 seals, 1 pin
Series 4AZ 5654 and above: 1 bushing, 2 seals, 1 pin
Position 02 · Boom linkage
Series 4AZ 1–5391: 2 bushings, 2 seals, 1 pin
Series 4AZ 5392–5653: 2 bushings, 2 seals, 1 pin
Series 4AZ 5654 and above: 2 bushings, 1 pin
Position 03 · Lift arm
Series 4AZ 1–5391: 2 bushings, 2 pins
Position 04 · Lift arm cylinder
Series 4AZ 1–5391: 1 bushing, 2 seals, 1 pin
Series 4AZ 5392–5653: 1 bushing, 2 seals, 1 pin
Series 4AZ 5654 and above: 1 bushing, 2 seals, 1 pin
Position 05 · Dipper stick cylinder
Series 4AZ 1–5391: 1 bushing, 2 seals, 1 pin
Series 4AZ 5392–5653: 1 bushing, 2 seals, 1 pin
Series 4AZ 5654 and above: 1 bushing, 2 seals, 1 pin
Position 06 · Dipper stick cylinder
Series 4AZ 1–5391: 1 bushing, 2 seals, 1 pin
Series 4AZ 5392–5653: 1 bushing, 2 seals, 1 pin
Series 4AZ 5654 and above: 1 bushing, 2 seals, 1 pin
Position 07 · Dipper stick cylinder
Series 4AZ 1–5391: 2 bushings, 2 seals, 1 pin
Series 4AZ 5392–5653: 2 bushings, 2 seals, 1 pin
Series 4AZ 5654 and above: 2 bushings, 2 seals, 1 pin
Position 08 · Dipper stick
Series 4AZ 1–5391: 1 bushing, 2 seals, 1 pin
Series 4AZ 5392–5653: 1 bushing, 2 seals, 1 pin
Series 4AZ 5654 and above: 1 bushing, 2 seals, 1 pin
Position 09 · Bucket cylinder
Series 4AZ 1–5391: 2 bushings, 2 seals, 1 pin
Series 4AZ 5392–5653: 2 bushings, 2 seals, 1 pin
Series 4AZ 5654 and above: 2 bushings, 2 seals, 1 pin
Position 10 · Bucket
Series 4AZ 1–5391: 2 bushings, 2 seals, 1 pin
Series 4AZ 5392–5653: 2 bushings, 2 seals, 1 pin
Series 4AZ 5654 and above: 2 bushings, 1 pin
Position 11 · Bucket linkage
Series 4AZ 1–5391: 2 bushings, 2 seals, 1 pin
Series 4AZ 5392–5653: 2 bushings, 2 seals, 1 pin
Series 4AZ 5654 and above: 2 bushings, 1 pin
Position 11A · Bucket cylinder
Series 4AZ 1–5391: 1 bushing, 2 seals
Series 4AZ 5392–5653: 1 bushing, 2 seals
Series 4AZ 5654 and above: 1 bushing, 2 seals
Position 12 · Bucket
Series 4AZ 1–5391: 2 bushings, 2 seals, 1 pin
Series 4AZ 5392–5653: 2 bushings, 2 seals, 1 pin
Series 4AZ 5654 and above: 2 bushings, 1 pin
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