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This is an Engine Belt for 4B3.9, 6B5.9, ISB and ISB3.9 Cummins Engines. Micro-V belts provide peak operating performance while delivering the highest value on the market.
This high quality replacement part is guaranteed to meet SAE J1459, SAE J2432, and SAE J1596 specifications and is shipped with a 12-month warranty.
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