4L60E transmission cooler options

[Baker7888]

Looking for a cheap transmission cooler. Going to be running 6AN line and fittings from the transmission.

All the universal coolers I see have a nipple end for rubber line and hose clamps. Seems cheesy to me especially when I have to run one back to the transmission. Any suggestions?

 

[Supercharged111]

GMT400 transmission coolers have threaded fittings that are removable. So do a lot of aftermarket coolers. You should be looking at bar and plate, not tube and fin.

 

[Baker7888]

GMT400 transmission coolers have threaded fittings that are removable. So do a lot of aftermarket coolers. You should be looking at bar and plate, not tube and fin.

Thank you. I have one from a GMT 800 but the fittings were rusted pretty good. If i recall correctly I did get them out but may have twisted the tubing. I thought about pressure testing it with air. Do you know what it should hold? And thread size? I would need to cap it somehow

 

[Supercharged111]

Thank you. I have one from a GMT 800 but the fittings were rusted pretty good. If i recall correctly I did get them out but may have twisted the tubing. I thought about pressure testing it with air. Do you know what it should hold? And thread size? I would need to cap it somehow

That I don't. I put a GMT800 cooler on the wife's Envoy and it is chintzy compared to a 400 cooler. 800 cooler in Envoy:

Standard and extra large 400 coolers side by side.

You ought to be fine with the size of the regular one, I upgraded because I tow with the dually. You can see just how much beefier the older units are, and they're sold new in the aftermarket.

 

[Sweet_Johnny]

The factory options are plentiful and come in aftermarket form as well, I chose to go with a $70 Chinese unit from Amazon but haven't installed it on the Cutlass yet: