Caterpillar 4N-8221 Main Bearing - 4N8221
Main BearingFleet-ready Caterpillar Main Bearing ref. 4N-8221 / 4N8221 — OEM and original replacement machine parts for construction equipment. Shipped globally with 1-year warranty coverage.
Caterpillar 4N-8221 / 4N8221 Main Bearing delivers OEM and aftermarket correct crankshaft bearing clearance in Caterpillar diesel engines for heavy equipment. OEM-matched overlay composition and precision wall thickness ensure reliable oil film formation and long bearing service life. Available with a 1-year warranty. Available for single unit and bulk fleet procurement worldwide.
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