Alternator 12 Volt 37 Amp Replacement PRESTOLITE Style External Regulator for John Deere 302 302A 480A

Alternator replacement unit compatible with select industrial and utility tractors. This 12 volt, 37 amp alternator is a directfit style replacement for units using PRESTOLITEtype mounts and connections. Its external fan and external regulator design match many older tractor charging systems for reliable battery charging and electrical performance. Key specifications Item: Alternator Unit type: PRESTOLITE Voltage: 12 volt Amperage: 37 amp Fan: External Regulator: External Grooves: 1 Regulator clock position: 12:00 Polarity: Negative Battery terminal position: 8:30 Mounting ear 1: 5/1618 threaded Mounting ear 2: 9.6 mm unthreaded Weight: 8.62 lbs 3.92 kg Replaces common part numbers: PRESTOLITE 11030 11057 11030 11057 Remy Reman 50201 Wilson Heavy Duty 90059019 90059019 Why this alternator solves problems Restores charging: Replaces worn or failed alternators to restore proper battery charging and stabilize electrical output. Directfit details reduce modification: Matching regulator position, mounting ear sizes, and battery terminal location help simplify installation when the OEM part number and physical attributes match. Durable, serviceable design: External fan and external regulator configuration allow compatibility with systems designed for those features and can simplify maintenance and replacement. Compatibility and common applications Designed for compatibility with a range of industrial and utility tractors and engines. Typical applications include: John Deere tractors industrial 2640 276 diesel 19761982 John Deere tractors industrial 301 diesel engines 19651976 John Deere tractors industrial 301 gas engines 19651976 John Deere tractors industrial 301A diesel engines 19651976 John Deere tractors industrial 301A gas engines 19651976 John Deere tractors industrial 302 diesel engines 19741981 John Deere tractors industrial 302 gas engines 19741981 John Deere tractors industrial 302A diesel engines 19741981 John Deere tractors industrial 480A diesel engines 19651976 John Deere tractors industrial 480A gas engines 19651976 John Deere tractors industrial 480B and 480C diesel and gas engines 19651976 John Deere tractors industrial JD300 JD301 JD400 JD401 series engines across 19651974 model years Compatible with equipment that uses PRESTOLITEstyle alternator assemblies and the replacement part numbers listed above Please verify your OEM part number from your original unit to help ensure fitment Installation and use scenarios Onfarm replacement: Swap a failed alternator on an industrial tractor to restore battery charging and avoid downtime during harvest season. Equipment refurbishment: Use as a replacement unit when rebuilding older utility tractors that require PRESTOLITEstyle mounting and external regulator configuration. Field : a worn alternator in a workshop where matching regulator clock position and battery terminal location speed reinstallation. Fitment reminder Verify the OEM part number and physical measurements on your original unit, including regulator clock position, mounting ear thread type, battery terminal orientation, and connector locations to ensure proper fit. This alternator is supplied as a replacement unit intended for compatibility with the listed part numbers and equipment applications. Verify OEM part number before ordering.