Balmar Alternator 250 AMP 12V 3.15in Dual Foot Saddle K6 Pulley One Size. 15" Dual Foot Saddle K6 PulleyAlternator XT Series 250A 12V Saddle Mount (Dual Foot) 3.15in K6 Serpentine Pulley Case GroundHitachi-Style Mounting; Typical for Yanmar Westerbeke Lehman & Perkins-Sabre EnginesReplaces: AT-DF-200-12-IG AT-DF-200-K6This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications for Balmar Alternator 250 AMP 12V 3.15in Dual Foot Saddle K6 Pulley: Manufacturer: Balmar Application: Outdoor Color: Red Package Contents: Balmar Alternator 250 AMP 12V 3.15in Dual Foot Saddle K6 Pulley Balmar XT-DF-250-K6: Alternator 250 AMP 12V 3.15in Dual Foot Saddle K6 Pulley One Size