Caterpillar 1H-3731 Main Bearing - 1H3731
Main BearingCaterpillar Main Bearing (1H-3731 / 1H3731) available — OEM and original replacement service parts for road construction machinery. Global delivery. Backed by a 1-year warranty.
Caterpillar 1H-3731 / 1H3731 Main Bearing is an OEM and aftermarket main bearing set for Caterpillar diesel engines in construction and mining machinery. 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. Cross-referenced for compatibility with original equipment specifications.
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