DELCO REMY part description

  • For 21SI and 22SI Alternators
  • Built with Auto Start

Delco Remy Alternator Diode Trio

The Delco Remy alternator diode trio is precision made by experts to efficiently send field current to the alternator regulator. This innovative solution is designed to help make your alternator ready to face the demands of today’s automotive and truck electrical system.

Features & Benefits

  • High-quality alternator diode trio with Autostart
  • Helps restore or increase the alternator’s efficiency
  • Durable enough to withstand regular wear and damaging elements
  • Meets OE specifications for compatibility with the rest of the alternator assembly
  • Backed by a world-renowned maker and remanufacturer of heavy-duty starters and alternators

Additional Information

Country of Origin (Primary) US
UPC 704568131144

Delco Remy® is a leading manufacturer of heavy duty starters and alternators. For over 120 years, it has been the brand of choice by many fleet managers, heavy duty truck and equipment owners, and commercial vehicle operators. Not only because of the brand’s premium heavy duty starters, alternators, and other electrical components but also because of its commitment to providing trusted, knowledgeable support. From extensive field support, direct warranty programs, and online technician training, Delco Remy goes the extra mile to cater to its customers’ needs and keep their vehicles running on and off the highway to the best of their abilities. 

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