Caterpillar 3S-8402 Main Bearing - 3S8402
Main BearingGenuine Caterpillar Main Bearing (3S-8402 / 3S8402) — OEM-matched and original spare components for earthmoving machinery. Ships internationally. 1-year warranty.
OEM and aftermarket replacement Main Bearing for Caterpillar diesel engines in demolition machinery. Manufactured to original main bearing shell specifications for correct journal clearance and reliable crankshaft lubrication. Ships with a 1-year warranty. Helps reduce unplanned downtime and supports equipment reliability. Designed to perform reliably across extended service intervals. Sourced from certified supply chains for quality assurance.
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