Caterpillar 1W-1664 Main Bearing - 1W1664
Main BearingReplacement Main Bearing for Caterpillar heavy equipment — part 1W-1664 / 1W1664 — OEM and original-spec spare parts. Worldwide delivery with 1-year warranty.
OEM and aftermarket replacement Main Bearing for Caterpillar diesel engines in heavy plant machinery. Manufactured to original main bearing shell specifications for correct journal clearance and reliable crankshaft lubrication. Ships with a 1-year warranty. Reduces maintenance complexity with direct OEM-specification replacement. Ensures correct equipment performance is restored after service or repair.
Caterpillar