Quality used cummins ISC 8.3 engine Dayco belt tensioner (serpentine belt) with 8 grooves, backed by our standard warranty.

Vehicle Fitment
Cummins ISC
2007-2014 Freightliner M2 Models
2013-2014 Freightliner 108SD Truck
2008-2009 & 2015 Cummins ISL Series
2010-2015 Kenworth T370 / T440 / T470 Models
Bluebird AARE buses with a ISC 8.3 engines

OEM # 3973819, P3973819, 0318131, 180881, CUP180881, Navistar FLT689406, 50-0036, 500036, 50 0036, 2431131, superseded to 5683521

Please Note: The part sent may not exactly match the one pictured. Appearance may vary. For specific part requests, please call 888-315-2575. Additional core charge may apply.

30AT-3973819-STK

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