3 Year Warranty Upgrade!

The 40SI™ is a durable brushless model available in output ranging from 240 to 320 Amps. Its efficiency rating is best-in-class.  High efficiency translates to less engine horsepower requirements, resulting in substantial fuel savings. The 40SI is available with three mounting styles allowing flexibility when switching form a competitive model.  The premium brushless design of the Delco Remy 40SI provides added durability and life of the alternator.  Remote sense is standard on all 40SI models.

LEARN MOREFIND A PART

This All-Makes replacement option produces superior output at road speed and at Idle. For more information, please click the part within the eCatalog to view the specifications of this product. 

If you have any additional questions, please do not hesitate to contact our Technical Service Team at 800-372-0222 & select option #2 for Technical Support.

3 Year Warranty Upgrade!