Caterpillar 103-9290 Main Bearing - 1039290
Main BearingProfessional-grade Caterpillar Main Bearing (103-9290 / 1039290) — OEM-standard and original wear parts and components for earthmoving equipment. 1-year warranty. Worldwide shipping.
Caterpillar 103-9290 / 1039290 Main Bearing is an OEM and aftermarket main bearing set for Caterpillar diesel engines in industrial equipment. Manufactured to OEM overlay alloy composition and wall thickness for correct crankshaft journal clearance and reliable hydrodynamic lubrication under continuous operation. Ships with a 1-year warranty. Sourced from certified supply chains for quality assurance.
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