OEM PART MUNBER : OEM Alternator to ensure exact fit, form, and function. 104210-5890, 06311-R50-505RM, 31100-R40-A01, 31100-R40-A01RM, CSF89, 13-9444, 11390
STABLE AND EFFICIENT : Upgrade Alternators are computer tested for voltage stability, terminal function, and equipment circuit board integrity. Engineering enhancements to internal components provide an efficient unit for your vehicle to ensure stable voltage output
QUALITY: Alternators are manufactured under strict quality guidelines and tested in an endurance simulator to ensure OE quality and function. Ensures cranking and starting performance under all temperature extremes