CUMMINS part description

Product Description

Belt Tensioner 3947574

Features & Benefits

  • Efficiently maintains proper accessory drive belt alignment
  • Dampens accessory drive belt vibrations due to engine firing
  • Made from high-quality materials that resist damaging elements
  • Guarantees rigidity needed for radial strength and unparalleled performance
  • Extends the accessory drive belt’s lifespan

Cummins Accessory Drive Belt Tensioner

Tune your rig’s accessory drive system for proper function by replacing a malfunctioning drive belt tensioner with the high-quality Cummins accessory drive belt tensioner. This component provides the belt with constant tension to prevent noise or slippage.

Additional Information

Warranty Distance 100000
Warranty Distance UOM DH
Warranty Time 1
Warranty Time UOM YR

Part Interchanges

Cummins® is a worldwide leader in the production of engines, agricultural components, and other power-generating devices for various industries, including medium and heavy duty trucks, light commercial vehicles, buses, agriculture, and construction. Founded in 1919, this company stays true to its mission of making people's lives better by continuously improving its product line-up and introducing new solutions for a more prosperous world. Its core values—integrity, diversity and inclusion, excellence, caring, and teamwork—are what make it a successful company today—a worldwide leader with a network of more than 600 company-owned and independent distributors and almost 6,000 dealers in approximately 190 countries. 

CUMMINS 3947574 Cross Reference

We have 5 alternatives for the 3947574 by CUMMINS:

Don't know your part number?

Take a photo and we'll identify it!

Recommended Products

More from CUMMINS (Browse all)