PRODUCT NOTES
The 3939391 connecting rod bearing half can be used on the following Cummins engines: 4B3.9, 6B5.9, ISB6.7, QSB4.5, and QSB5.9.
This is a genuine Cummins part shipped with a 12-month warranty.
Also available in aftermarket.
Call us at 888.687.0539 if you have any questions about this item.
As always, your satisfaction is guaranteed!