Details
New suitable replacement Crankshaft Cummins4B, 4BT, 4BTA 3.9L 4 Cyl Diesel Replaces: 3907803, 3908031, 3929036, 3903827, 91832 Forged Stroke: 4.724" Rod: 2.7160-2.7170" Main: 3.2672-3.2682" Snout: 4 bolt holes ** W/GEAR** Flange: 8 bolt holes and 2 dowel holes