T3 to T4 Twin Scroll Turbo Adapter Flange for Cummins HX35 HX40

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  • Regular price $43.99

T3 to T4 Twin Scroll Divided Inlet Turbo Adapter Flange Plate

for Cummins HX35 HX40 Dodge 5.9L

(Gasket Not Included for Reference Only)

 ( We offer different styles for different setups, please look at the pictures as they are an exact representation of the item. See our website for different  mounting styles for your exact application.)

This is an adapter flange to interchange between a T3 and T4 turbo. This is an inexpensive alternative to replacing the manifold and allows for quicker changes back and forth from T3 to T4 turbos.


Smooth port transition machined to gasket opening for maximum flow

Bolt center spacing is 3.25" x 2.75" for T4 M10 bolts (included)

Bolt center spacing is 3.375" x 1.75" for T3 M8 tapped holes

1/2" Thick (will not warp from heat)

Face milled for proper sealing

Made from A36 Steel (Not Cast) for optimal strength


 These exhaust flanges are CNC machined for high quality and accurate assembly.

AZ CNC Manufactruing is your direct source for all your custom exhaust needs. Please feel free to contact me for any custom sizes or parts. 


Made in the USA

Compatible Vehicles

2007 - 2010 6.6L GM Duramax LMM 
2006 - 2007 6.6L GM Duramax LBZ
2007 - 2015 6.7L Dodge Cummins
2008 - 2010 6.4L Ford Power Stroke
2003 - 2007 5.9L Dodge Cummins
2003 - 2007 6.0L Ford Power Stroke
2004 - 2005 6.6L GM Duramax LLY 
1998 - 2002 5.9L Dodge Cummins ISB
1998 - 2003 7.3L Ford Power Stroke
2001 - 2004 6.6L GM Duramax LB7 
1994 - 1997 7.3L Ford Power Stroke 
1994 - 1998 5.9L Dodge Cummins 12 Valve
1988 - 1993 5.9L Dodge Cummins 12 Valve