4” flange for F/W mount oil cooler

[Mycool]

Hi gang,

I am having troubles, finding a 4 inch flange for a fire wall mounted oil cooler. Does anyone know where to get a 4 inch flange?

 

[Avanza]

Try this.

https://www.mcmaster.com/products/duct-flanges/

Good luck

 

[wirejock]

4" flange

Vans carries one.
4" flange
I used it. Fabricated a butterfly valve for it.

 

[wirejock]

Photo

Forgot the photo. It's been rearranged so the arm is up instead of down. Works better.
Sorry, never learned how to post a vertical photo.

 

[Mycool]

Reply

That looks great, that’s exactly what I plan to do!

 

[Dad's RV-10]

Image rotated.

 

[Mycool]

Reply

You guys rock, thank you!