We Sell New & Good Used W-tech 2 and W-tech 3 ECU's

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 Our 2011 Parts Catalog is here!

Email us at parts@defeomfg.com

for a copy

We buy & Sell Allison Transmissions cores and Parts!

Turn your parts and cores into $$$

If you have any to sell, please email purchasing@defeomfg.com

1/18/2012 - Defeo introduces late style friction plates that fit Allison MD/B400 and HD/B500 series transmissions.

4/15/2012 - Defeo introduces Accumaltors (3rd & 4th Generation) to fit Allison B300R, B400R, and B500R transmissions. Individual components also available for sale.

6/10/2012 - Defeo Expands warehouse to handle additonal producs in the pipeline

7/18/2012 - Defeo Introduce 4th Generation Overhaul kits for both MD and HD Transmissions. Kits. Kits include 4th generation control module combo kits, as well as individual control module kits for sale.

9/13/2012 - Defeo introduces new reduced pricing on 3rd and 4th Generation Overhaul kits for Allison 1000/2000/2400 Series.