Mobil Delvac 1 Full Synthetic Automatic Transmission Fluid, 1 Gallon

from Antonio

used this in my Allison 1000. last time is used it went 60k-70k miles before it started hard shifting again under wot. its expensive atf but very well worth it considering the truck makes money and dont have to change it but every 3 years or so.

from Russell

Upon buying a used duramax with allison 1000 6 speed I noticed the fluid was never changed even had stock external filter from the looks of it (also the date on the allison filter) After enough research I gave this product a shot and I was shocked how well it shifts now. I cannot even feel the sh...

from Donny Diesel

I'm a fleet manager at a Highway road striping company in ny we travel the coast from ny To Florida. Weather conditions cold to hot Delvac ATF will get the job done. We use Mobil because of how extreme are use is

from AlfaDon

Like all Mobil 1 products this is great stuff. But it's NOT 5 quarts. It's 1 gallon

from Antonio

used this in my Allison 1000. last time is used it went 60k-70k miles before it started hard shifting again under wot. its expensive atf but very well worth it considering the truck makes money and dont have to change it but every 3 years or so.