Heavy Duty Alternator

55SI: Designed for Demanding Loads

The 55SI high output heavy duty alternator is designed to take on the demanding electrical loads of today’s heavy duty vehicles.

Tech Tip: Measuring Flange to Flywheel

In this Tech Tip, we’ll review how starter spacers are utilized as well as how to measure the starter flange to flywheel so that during any maintenance, the starter is properly mounted.

Filing Warranty Claims: Fast and Easy

No one likes having to file a warranty claim, so we’ve done our best to make it fast and easy to complete. And it’s all online, which saves you time.

New Part Numbers Added

The online catalog is used by thousands of customers each week. Check out the newly released details.

Our Parting Shot

Indiana high school basketball with our own Tech Tip man, Rob Steele.