Main Bearing Set 3945917 Parts Number 3945917 Parts Name Main Bearing Set 3945917 Brand Cummins genuine parts Cummins Models L10 CELECT, L10 GAS, L10 MECHANICAL Related Posts Over Size Main Bearing Kit 3945918 Main Bearing Set – AR12270 Main Bearing-4025120 Cramkshaft-4004556-20 Main Bearing 4996250