PRODUCT NOTES
Replaces old part number DS-3910500.
This is a Gear Cover Gasket for Cummins QSB-110C, B3.9-C80, 4B3.9, B5.9, 6B5.9 and 4BT3.9 engines. This item is a new replacement part shipped with a 12-month warranty.
Call us at 888.687.0539 if you have any questions about this item.
As always, your satisfaction is guaranteed!