Description
Maxiforce C3901171 connecting rod bearing pair, 0.25mm undersize, for Cummins B-Series diesel engines (3.9L / 5.9L, 4B/4BT/6B/6BT family). Application: Cummins B-Series con-rod journal on a crankshaft ground 0.010"/0.25mm under standard. Condition: New, open box — bearings appear unused; box shows shelf wear and handwritten shop marks. Sold as one pair (upper + lower shell) — one connecting rod's worth. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase.