800.622.4224

Remanufactured Air Ducts


Remanufactured EMD Air Ducts

Remanufacturing innovations that make it easier and safer for you to install.
Reduce the number of times that you need to replace by installing quality.
Enhanced modification facilitates quick, easy, and safe installation.
Extensive unit exchange inventory.
Peaker Services, Inc. offers a 1-year warranty.
Easily cycle your after-cooler ducts. 

Process and Enhancements


  • Clean to bare metal
  • Magnaflux/NDT Inspection
  • Repairs
  • Addition of gussets, braces, and OEM improvements
  • Addition of balance point lifting pad
  • CNC Machining
  • Normalization/Stress Relief
  • Paint and Package
old air duct
Air Duct Remanufacturing

Types of Air Ducts

We work on all Woodward governors and actuators. This includes, but is not limited to, complete tear-down, hot wash, inspection, calibration, and rebuild of all parts.

645 Engine

  • 8460309 Right bank thin flange
  • 9531625 Right bank thick flange
  • 9327567 Left bank thin flange
  • 9531624 Left bank thick flange

12-645 Engine

  • 8259985 Right bank
  • 9530105 Left bank

710 Engine

  • 9546655 Right bank
  • 9546222 Left bank

We also rebuild 567 Turbocharged engine air ducts on request.

645 Engine

  • 8460309 Right bank thin flange
  • 9531625 Right bank thick flange
  • 9327567 Left bank thin flange
  • 9531624 Left bank thick flange

12-645 Engine

  • 8259985 Right bank
  • 9530105 Left bank

710 Engine

  • 9546655 Right bank
  • 9546222 Left bank

We also rebuild 567 Turbocharged engine air ducts on request.

Need an EMD Air Duct Fast? Check Out Our Supermarket!

We have select EMD air ducts in stock ready for unit exchange. Use the form below to request a unit exchange. If you don’t see the part you need, please call (800) 622-4224 x118.