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2014+ Dodge RAM AAM 11.5" Gear Set Update

2014+ Dodge RAM AAM 11.5" Gear Set Update

Posted by DTA Sales on Dec 2nd 2016

RAM 115 Gear Set Update

AAM is announcing catalog update and corrections to the Ram truck 11.5" ring and pinion gear sets for 2014 and newer Ram 2500 and 3500 trucks.

The correct cataloging is listed below.

The 2014 - 2016 Ram 2500 truck uses a new coil spring suspensions system.

The 11.5" ring & pinion gear sets for that rear axle are:

D115342GSK-1 - 3.42 ratio

D115373GSK-1 - 3.73 ratio

D115410GSK-1 - 4.10 ratio

The 'GSK" part number gear set kit does include the pinion nut, collapsible spacer and pinion seal as they are unique to the gear set and axle.

The 11.5" gear sets for the 2500 are not interchangeable with the 11.5" gears for the 3500. The pinion gear, pinion bearing and tail bearing diameters are different.

The 2003 - 2016 Ram 3500 still uses a leaf spring suspension system. The 11.5" ring & pinion gear sets for that rear axle are:

40101174 - 3.42 ratio

40101173 - 3.73 ratio

40094550 - 4.10 ratio

40116812 - 4.44 ratio

There are no installation components included in the gear sets for the 3500 Ram truck.

The last model year for the 10.5" rear axle in a Ram 2500 truck was in 2013.