Cummins Marine 330B 370B Diamond Gear Cooler upgrade
330-370 Diamond Trans Cooler upgrade “Plug & Play” replacement for both the early ( 1.5″ water barbs ) or late 330/370 Diamonds ( 1.75″ water barbs)
330-370 Diamond Trans Cooler upgrade “Plug & Play” replacement for both the early ( 1.5″ water barbs ) or late 330/370 Diamonds ( 1.75″ water barbs)
Note: This is only applicable to QSM11ās that you want to de-rate to 450HP at 2100- 2300 RPM or below… Typical applications are commercial boats that travel at hull speeds.
This is how they should lookĀ –Ā All in plane and not pre-loaded usingĀ parallel mounting surfaces. These mounts are in a 9 year old boat that has had OK care. At least the builder did a decent job on the mounts and … Read More