Caterpillar 121-8131 Crown Wheel Pinion - 1218131
Crown Wheel PinionCaterpillar 121-8131 / 1218131 Crown Wheel Pinion: precision OEM-standard and original machinery parts for road machinery. Global shipping with 1-year part warranty.
Caterpillar 121-8131 / 1218131 Crown Wheel Pinion is an OEM and aftermarket differential bevel gear set for Caterpillar axle assemblies in road construction machinery. Precision-matched crown wheel and pinion to OEM tooth geometry and case-hardening for correct torque distribution and reliable differential performance. Ships with a 1-year warranty. Ready for immediate single or recurring bulk supply worldwide.
Caterpillar