Caterpillar 454-3931 Main Bearing - 4543931
Main BearingSource Caterpillar Main Bearing (454-3931 / 4543931) — OEM-grade and original wear parts and components for earthmoving equipment. 1-year warranty. Worldwide shipping.
Caterpillar 454-3931 / 4543931 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. Ready for immediate single or recurring bulk supply worldwide.
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