Caterpillar 7N-3966 Main Bearing - 7N3966
Main BearingTrusted Caterpillar Main Bearing — ref. 7N-3966 / 7N3966 — original and OEM-certified replacement spares for industrial equipment. Worldwide dispatch. 1-year warranty coverage.
Caterpillar 7N-3966 / 7N3966 Main Bearing is an OEM and aftermarket main bearing set for Caterpillar diesel engines in road construction machinery and 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. Part of a comprehensive spare parts inventory for rapid maintenance support.
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