Cummins Engine Timing and Brake Adjustment Kit GJ-39
Quantity: 1 item or complete set with the pictured components.
Condition: New, unused.
Year and model compatibility: For selected Cummins ISX/QSX/X15 service requiring 3163020/3163021/3163069/3163530 references and the correct 4/5/6/7-degree wedge. Source identifies dual-cam 2007-2012 and selected ISX 2016-2017 applications. Exact engine serial number determines fit; this is not confirmed for all Cummins engines.
Part number: GJ-39. Confirm fitment and tool references before ordering.