Heavy Duty Alternator

Delco Remy 40SI: A Better Choice

The 40 SI provides better mileage, reduced maintence costs and longer battery and alternator life,

Mid-America Truck Show

Remy participated in the largest annual heavy-duty trucking industry event in the world.

40SI Online Video Library

Delco Remy's YouTube page has helpful videos related to the 40SI product line.

Why Remote Sense?

Remote Sense makes maintaining fully charged batteries simple.

Four Reasons to Like the 40SI

Read more about the fuel savings, high output at low RPM, brushless design and remote sense capabilities of the 40 SI.

Photo Contest

Take your picture with our logo and you may be featured in our next Delco Remy Connect newsletter.