DELCO REMY part description


Model: 40SI
Type: New Alternator
Mount Type: Pad
System Voltage: 12
Rated Output: 275 Amps
B+ Output Terminal: 5/16
R Terminal: #10
I Terminal: #10
Remote Sense Terminal: Yes
Ground Terminal: Negative

Delco Remy 40SI New Alternator 

The Delco Remy 40SI new alternator is a high output alternator with an efficiency rating that’s best in its class. It is a durable brushless model that is specifically designed for added durability and longer service life.

Features & Benefits

  • Reduced engine horsepower requirements, resulting in improved fuel savings
  • Enhanced steel bearings and seals for added durability and a longer life cycle
  • Alternator’s entire housing is used as a heat sink for greater heat dissipation and faster cooling
  • Available in three mounting styles, allowing for flexibility when switching from another model
  • 50% faster battery charge time with Remote Sense technology
Alternator Type Brushless
Volts 12V
Amp 275A
Amp At Idle 180A
Mount Type Pad
Series 40SI
Product Type Brushless

Product Description


Additional Information

Country of Origin (Primary) MX
UPC 704568131168

Fits Vehicles

  • Freightliner Business Class M2 (2004-2007)
  • Freightliner FC80 (2003-2007)
  • Freightliner Century Class (2003-2007)
  • Freightliner Argosy (2003-2007)

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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