Caterpillar 4M-6291 Main Bearing - 4M6291
Main BearingCaterpillar Main Bearing 4M-6291 / 4M6291 — original and OEM-specification spare parts for heavy equipment. Worldwide delivery with 1-year warranty.
OEM and aftermarket replacement Main Bearing for Caterpillar diesel engines in professional service centres. Manufactured to original main bearing shell specifications for correct journal clearance and reliable crankshaft lubrication. Ships with a 1-year warranty. Supports workshop efficiency and fleet maintenance programs. Sourced from certified supply chains for quality assurance.
Caterpillar