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Cummins 3973819 Belt Tensioner Assembly
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| Part Type | Accessory Drive Belt Tensioner |
| Belt Type | Serpentine |
| Groove Count | 8 |
| Engine Displacement | 8.3L |
| Applications | Cummins ISC, ISL, QSL9, QSB, 6C8.3, 6CT8.3, QSC8.3 |
| Weight | 4.5 kg |
| Condition | New |
Manufacturer No.
3973819
OEM Part No.
39738195683521
Engine Part No.
Cummins ISC 8.3Cummins ISL 8.3Cummins ISL9 8.3Cummins QSL9 8.3Cummins QSB 6.7Cummins 6C8.3Cummins 6CT8.3Cummins QSC8.3
Interchange No.
8947338627180881T386271001197096.660471564375816.49581FLT689406
Fitment Vehicles
Freightliner M2 2007-2014Freightliner 108SD 2013-2015Kenworth T370 2010-2015Kenworth T440 2010-2015Kenworth T470 2010-2015Bluebird AARE Bus with ISC 8.3Heavy-duty trucks with Cummins ISC/ISLBuses with Cummins ISC/ISLIndustrial equipment with Cummins QSL9/QSB
Engine System - Industrial Encyclopedia
OEM replacement accessory drive belt tensioner for Cummins ISC, ISL, QSL9, and QSB 8.3L diesel engines, maintains serpentine belt tension and alignment for reliable accessory drive operation.
