Caterpillar 1W-1657 Main Bearing - 1W1657
Main BearingOriginal and OEM Main Bearing from Caterpillar — part 1W-1657 / 1W1657 — spare parts for heavy equipment. Worldwide delivery with 1-year warranty.
Caterpillar 1W-1657 / 1W1657 Main Bearing is an OEM and aftermarket main bearing set for Caterpillar diesel engines in heavy plant 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. Reduces maintenance complexity with direct OEM-specification replacement.
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