Detroit Diesel DD15 Belt Tensioner | Detroit A4722000470 / A4722001670 / A4722001570 | FleetRun FR-ENGN125


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Part Number

  • FleetRun: FR-ENGN125

Cross Reference Part Number

  • Freightliner / Detroit: A4722000470 / A4722001670 / A4722001570 / A4722000570 / A4722001070 / A4722001370 / A4722000270 / A4722000170
  • Gates: 38667 / 89498
  • Automann: 816.49603
  • Dayco: 89498
  • PAI: 680330


  • Accessory Drive Belt Tensioner
  • Mounting Hole Quantity: 3
  • Total Amount Of Pulleys: 3
  • 2 Smooth Backside Pulleys
  • 1 Grooved Front Pulley
  • Groove Quantity On The V-Ribbed Pulley (A): 10
  • Grooved Front Pulley Outside Diameter (A): 2.952 inches
  • Grooved Front Pulley Width (A): 1.574
  • Smooth Backside Pulley Outside Diameter (B): 2.755 inches
  • Smooth Backside Pulley Outside Diameter (C): 2.834 inches
  • Both Smooth Backside Pulleys Width (B/C): 1.250 inches

Please note: this is an aftermarket part, the use of other manufacturer's names, part numbers or trademarks is for informational purposes only.

Please verify OEM part numbers before purchasing, FleetRun assumes no liability related to product use and fitment.

Looking for a reliable belt tensioner for your big rig that's built to handle the demands of the highway? Look no further than the FleetRun FR-ENGN125. This high-quality accessory drive belt tensioner is designed to be a direct replacement for OEM part numbers A4722000470, A4722001670, A4722001570, A4722000570, A4722001070, A4722001370, A4722000270, and A4722000170, making it the perfect aftermarket repair part for your engine.

With a mounting hole quantity of 3 and a total of 3 pulleys (2 smooth backside pulleys and 1 grooved front pulley), the FleetRun FR-ENGN125 is engineered for optimal performance on the road. The groove quantity of 10 on the V-ribbed pulley and a grooved front pulley outside diameter of 2.952 inches ensures consistent, reliable performance, while a width of 1.574 inches keeps your accessory drive belt securely in place.

Cross-referenced with Gates part numbers 38667 and 89498, Automann part number 816.49603, and Dayco part number 89498, this belt tensioner is a versatile replacement part that's built to last. And with FleetRun, you can be sure that you're getting a top-quality engine part that will stand up to the rigors of the road.

So why wait? Whether you're in need of a replacement part or looking for an aftermarket repair solution for your engine, the FleetRun FR-ENGN125 belt tensioner is the perfect choice for your commercial vehicle. Order today and experience the ultimate in performance, reliability, and durability on the highway. For more information and helpful tips on installation and troubleshooting, visit our Shop Talk page from our menu.

  • For other information such as tips and tricks or troubleshooting from technicians and shops visit our Shop Talk page from our menu