Caterpillar 9L-6640 Main Bearing - 9L6640
Main BearingCaterpillar Main Bearing (9L-6640 / 9L6640) available — OEM and original replacement service parts for road construction machinery. Global delivery. Backed by a 1-year warranty.
OEM and aftermarket replacement Main Bearing for Caterpillar diesel engines in demolition equipment fleets: Caterpillar Main Bearing ref. Manufactured to original main bearing shell specifications for correct journal clearance and reliable crankshaft lubrication. Ships with a 1-year warranty. Produced under strict quality control to maintain OEM performance standards. Precision-manufactured for direct fitment with no modification required.
