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New Ring and Pinion Gear Sets for 2014 and Newer RAM 2500 and 3500 Trucks

Posted: September 15, 2016

American Axle & Manufacturing (AAM) has made available new ring and pinion gear set kits that fit the 11.5" rear axles for the 2014 and newer RAM 2500 and 3500 pickup trucks.

AAM part #D115342GSK-1 is a 3.42 ratio ring and pinion gear kit. AAM part #D115373GSK-1 is a 3.73 ratio ring and pinion gear kit. AAM part #D115410GSK-1 is a 4.10 ratio ring and pinion gear kit. The following are the component parts of the kit besides the ring and pinion gear. Pinion Nut: #40126149; Collapsible Spacer: #40011051; Pinion Seal #40113398. The same 11.5 helical gear design Limited Slip differential case is used in the new rear axle. Part # 40099548.

 

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