Caterpillar 7N-3949 Main Bearing - 7N3949
Main BearingSuited to Caterpillar construction equipment: Main Bearing part 7N-3949 / 7N3949 — original and OEM-certified machine parts. Shipped globally with 1-year warranty coverage.
Caterpillar 7N-3949 / 7N3949 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. Cross-referenced for compatibility with original equipment specifications.
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