Cummins, Engine - Main bearing OEM Part Number: 3978818 Description: Bearing, Main(Standard.) Machine Model: 6BT5.9 Engine Model: Engine Number: 78144148 Price: $0.00 Request Quote or call 321-723-4290 wpengine2022-01-30T12:05:01-05:00 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail