Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator & Temp SensorKit Includes: XT-DF4-250-DV Alternator, MC-618 Regulator, Temperature Sensors & Mounting HardwareXT Series Alternator: 250A, 12V, Saddle Mount (Dual Foot), 4in, Deep Dual Vee Pulley, Case Ground4" J-180-Style Mounting; Typical for Caterpillar, Cummins, Detroit Diesel & John Deere EnginesReplaces: AT-DF4-MC-200-KIT, AT-DF4-200-DV-KITThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. - cis2:mm5mnJlm -Brochure (pdf)