40789709 Cummins Transmission/ Gear Cooler

Offered is a 4078709 Cummins Transmission/Gear Cooler. 4078709 has been superseded to 5270992. This is a drop in replacement for ZF Transmission ZF305A. Guaranteed for fit and function with a 2 year warranty. This part uses a copper nickel bundle as with the OEM version. We do not sell this part with a copper bundle. This cooler may work for other transmissions. We are only aware of the one listed. 

Our product is a drop in replacement for these part numbers:

• Sister Parts you may want to see (tandem versions of the parts listed above):
  
  • 4003582CN
  • 5270990
• The part from this listing replaces
  • 5270992
  • 4078709

Some details to note:

• This is a drop in replacmeent for the Cummins transmission/gear coolers 5270992 and 4078709. 
• Cummins transmission/gear coolers 5270992 and 4078709 are the same part.
  • Sister parts that are non tandem versions are 4003582CN & 5270990.
• We have now included a Viton O-ring with purchase which is an OEM equivalent material.  This should help with the installation.
• There is a zinc and plug so you can use one to cool your drive shaft.
• This part has our new hard coat OEM equivalent coating which will help your cooler last longer and it won't get bracket scratches to the copper during installation as with some aftermarket coolers. 
• The part is guaranteed for fit and function and there is a 2 year warranty per our terms and conditions. 

This part fits the following engines (possibly more):

• 6C8.3,C GAS PLUS CM556,C8.3 G,G8.3,G8.3 CM558,GTA8.3 CM558,ISC CM2150,ISC CM554,ISC CM850,ISC8.3 CM2250,ISL CM2150,ISL CM554,ISL CM850,ISL G CM2180,ISL9 CM2150 SN,ISL9 CM2250,ISL9 CM2350 L101,ISM CM570,ISM CM870,ISM CM875,ISM CM876,ISM CM876 E,ISM11 CM876 SN,L GAS PLUS CM556,L8.9,L9.3 L105,M11 CELECT,M11 CELECT PLUS,M11 MECHANICAL,QSC8.3 CM2250,QSC8.3 CM554,QSC8.3 CM850,QSL9 CM2250,QSL9 CM2350 L102,QSL9 CM554,QSL9 CM850,QSL9 G CM558,QSM11 CM570,QSM11 CM876