5L-3979 5L3979
Main Bearing
Caterpillar 5L-3979 Main Bearing - 5L3979

Caterpillar 5L-3979 Main Bearing - 5L3979

Main Bearing

Stock ref. 5L-3979 / 5L3979 — Caterpillar Main Bearing. OEM original machine parts for construction equipment. Shipped globally with 1-year warranty coverage.

Caterpillar 5L-3979 / 5L3979 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.

Part Numbers : 5L-3979 5L3979
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