Photo 1 of Demfec Belt Tensioner Pulley 3690067 Compatible with Cummins ISX Engine Replaces 3104149 2891940

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Photo 1 of Demfec Belt Tensioner Pulley 3690067 Compatible with Cummins ISX Engine Replaces 3104149 2891940Photo 2 of Demfec Belt Tensioner Pulley 3690067 Compatible with Cummins ISX Engine Replaces 3104149 2891940