Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator & Temp Sensor Kit Includes: 621-100-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware 621-100-J10 Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-VUP-MC-100-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 120 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator & Temp Sensor Kit Includes: 621-120-J10 Alternator, MC-614 Regulator, Temperature Sensors, Mounting Hardware 621-120-J10 Alternator: 120A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-VUP-MC-120-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator & Temp Sensor Kit Includes: 621-100-K6 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware 621-100-K6 Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-VUP-MC-100-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator & Temp Sensor KIt Includes: 621-100-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware 621-100-DV Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-VUP-MC-100-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 120 AMP Kit 12V 3.15" Dual Foot Saddle Dual Vee Pulley Regulator & Temp Sensor Kit Includes: a 60-120-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware 60-120-DV Alternator: 120A, 12V, Saddle Mount (Dual Foot), 3.15in, Dual Deep Vee Pulley, Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines Replaces: 60-YP-MC-120-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 250 AMP Kit 12V 3.15" Dual Foot Saddle Dual Vee Pulley Regulator & Temp Sensor Kit Includes: XT-DF-250-DV Alternator, MC-618 Regulator, Temperature Sensors & Mounting Hardware XT Series Alternator: 250A, 12V, Saddle Mount (Dual Foot), 3.15in, Dual Deep Vee Pulley, Case Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines Replaces: AT-DF-MC-200-KIT, AT-DF-200-DV-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley with Isolated Ground Alternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-100-SR-IG This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley with Isolated Ground Alternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated Ground 1" Motorola-Style Mounting. Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines. Replaces: 621-120-SR-IG This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley with Isolated Ground Alternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-100-SR-IG This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 250 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley Alternator, XT Series, 250A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Case Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: AT-SF-200-12-IG, AT-SF-200-K6 This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator & Temp Sensor Kit Includes: 621-120-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware 621-120-DV Alternator: 120A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-VUP-MC-120-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated Ground Alternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-100-SR-IG This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated Ground Alternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces: 621-120-SR-IG This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp Sensor Kit Includes: a 60-100-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware 60-100-J10 Alternator: 100A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines Replaces: 60-YP-MC-100-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle Single Vee Pulley Regulator & Temp Sensor Kit Includes: a 60-100-SV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware 60-100-SV Alternator: 100A, 12V, Saddle Mount (Dual Foot), 3.15in, Single Deep Vee Pulley, Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines Replaces: 60-YP-MC-100-SR-KIT This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.